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power supply failure- Toshiba A70 laptop

Q: power supply failure- Toshiba A70 laptop

Quick question:
On the bottom of my 3.5yr old Toshiba A70 Satellite laptop it tells me the power supply is DC19V - 6.3A

If I understand this to be 19volts -6.3 Amps.... then will an alternate/generic power supply of 19Volts -max5amps cause my computer to shut down unexpectedly and repeatedly after 4-6 wks of problem-free usage.

After I changed my power supply (prev. supply just stopped working) the computer worked fine for a while...then started shutting down unexpectedly. On one particular day it shut down repeatedly 3-4x, and now wouldn't start properly. (Safe mode start screen that despite selection would reboot back to this screen ONLY)

I brought it to Tiger Direct for repair, explaining problem.....they suggested they reload the OS and found the orig. hard drive to have bad sectors and further suggested a NEW hard drive. They also suggested so many shutdowns may have damaged the hard drive leading to the problem. It was only after they reinstalled OS and new hard drive that they found it still shut down unexpectedly. I was annoyed now....as this is when they realized the power supply "wasn't enough AMPS" and blamed problem on this. I have a personal guarantee from manager now that they will refund my repair costs if I get a new power supply with proper amps....and still have problem. (this would apparently indicate motherboard problem and not power supply and I wouldn't have needed new HD)

Can anybody help.... I am at my technological limit for understanding this particular problem!!!!

Thanks!!

RELEVANCY SCORE 200
Preferred Solution: power supply failure- Toshiba A70 laptop

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A: power supply failure- Toshiba A70 laptop

I don't know, but the people at radio shack do!
JK but there's a good chance you can find the right power supply there.

there is a very good chance that lo power could be the cause of your shut downs, did you happen notice if you battery was draining?

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RELEVANCY SCORE 77.2

I have a Toshiba satellite a55-s209. I've had it for two years, and this problem arose about 4 months ago. Sometimes, my power cord stops working. I'm not sure what's going on, but basically the light on the front of the laptop that indicates wether the cord is connected turns off and my laptop goes into long-life battery mode, as if I've pulled the cord out. At first, jiggling or twisting the cord helped. More recently I've taken to inserting the cord at different angles until the computer recognizes the charge.

I tried another power cord, one of those all-in-one laptop power cord converters. It didn't work either, but I'm not sure if it was the wrong type or if the problem is with my laptop. Is there something I can do to my cord that will help? Is it my computer that's not working?

Any info or tips are much apreciated.
 

A:Toshiba laptop power cord failure

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RELEVANCY SCORE 70.8

Toshiba Satellite L305-5955, Ive taken apart and replaced power jack. Not directly soldered to motherboard. While still apart, and battery out/in, connected power supply and still absolutely no response. Power supply is NOT original, and slightly different specs, i.e original 19v..6.3A

current 19v..3.1A
 

A:Toshiba Satellite L305-5955 does not respond to power supply, new power jack

Almost certainly the problem is that the current rating is wrong, if the laptop needs
6.3 A of current, it won't function on less (just as you can't use a 3A fuse for a kettle!)
Unfortunately it must be the right current rating, I know, I've been caught that way too!
Maybe you can exchange it?
 

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RELEVANCY SCORE 70.8

I'm interested in the Toshiba G25 laptop but have heard that you can't use it on airplane seat power. It comes with a 120W AC power supply (15Vx8A), but I've been told that most airlines limit seat power to 75-90W max. Lind sells a 12V car adaptor for the G25, but specifically won't include an airline plug for this reason (which I can get independently, of course). I've read some interesting electrical discussions on this board. Can ya'll comment on the following or provide any general advice about power consumption?

1) Given that the voltage of the laptop and airline seat power pretty much match up (12-15V), if the amp draw on the laptop exceeds what the airline power supply can deliver, what will happen? Will it damage the laptop to feed it insufficient current? Will it shut down the laptop altogether? Merely dim the screen?

2) If I remove the laptop battery, which requires power to charge it, how much will that reduce the power need of the laptop? I'm not sure how to work the math, but the spec sheet states the battery supplies 4400mAh at 8A output. Does it require the same to charge it?

3) Most importantly, on my 15 hour transpacific flights, will the DVD player work with that ultrabrite screen at the low airline power supply? A nice feature of the laptop is that you can watch DVDs without powering up the Windows operating system (it has a small linux OS for the DVD player). Granted, the DVD drive and screen are prob... Read more

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RELEVANCY SCORE 68.4

Some information about my system:
Motherboard: ASUS M2N-SLI Deluxe AM2 NVIDIA nForce 570 SLI MCP ATX AMD Motherboard
Processor: AMD Athlon 64 X2 7750 Kuma 2.7GHz Socket AM2+ 95W Dual-Core black edition Processor AD775ZWCGHBOX
Video Card: EVGA 896-P3-1257-A1 GeForce GTX 260 Core 216 Superclocked Edition 896MB 448-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI ...
RAM: CORSAIR XMS2 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model TWIN2X4096-6400C5

I've read a few threads here on these forums and have found a few similar situations but nothing that really matches what i'm dealing with. Here goes:

I was playing a game when my PC made a short strange muffled hissing noise and then popped. The PC completley shut down like someone has pulled the plug. Almost right away it smelled like an electrical fire. I figured this was the power supply (NZXT 550W) since it is around 4 years old and has been through a lot.

The following day I went to best buy and picked up a Thermaltake TR2 600W PSU and installed it. After plugging in the main power cord from the wall outlet I switched on the PSU itself. Inside, the SB PWR light on the MB lit up. I thought this was good news. I hit the power button for the whole system and
the CPU fan moved slightly and the front LED light quickly flashed on and off. Then nothing. I checked to make sure all connections were snug. Same result.

I can't remember why but I unplugged the 4-pin Auxillary... Read more

A:Power Supply Failure, Possible Motherboard Failure

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RELEVANCY SCORE 66.8

Ok so lately I have been getting a BSOD at very random times and it looks like a Diver Power State failure. SO all of my friends and every website I go to makes it seem like I need to get a PSU. Right now I have a Quad Core and a 8800GT and 375W PSU. So my friend told me to get a new 700W PSU.

So, if the only fix is to get a new PSU? I tried to rollback my GPU driver but it didn't help.

So any ideas?
 

A:Driver Power Failure = New Power Supply?

You're greatly risking the health of your whole computer while running with such underpowered power supply. Do yourself a favour and get a quality PSU. http://www.newegg.com/Product/Product.aspx?Item=N82E16817341010 That's the cheapest one that is enough and of good quality that I could find with a quickish search.
 

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RELEVANCY SCORE 66

Hello,

I live in Rancho Bernardo, CA and when we were evacuated, I disconnected my desktop and took the computer case with us. It was in the trunk of my car for 4 days. (not good!) After returning home,(we were one of the fortunate families) I reconnected my computer and started it. It posted like usual, went to the XP startup screen and then went to the black screen that gives the options for safe mode, etc. I tried to start it in safe mode but it would not. It only opened some of the start-up files and then stopped.

I reseated the ram, video card and disconnected all of the drives other than the HD. I tried the "normal start". Same thing happened. I changed hard drives, put in another video card and restarted. The colors then changed to something other than normal, butt still would not boot past the startup screen before the welcome screen. It goes to black and there is a flash of a blue screen with text on it but it does not stay on long enough to read. I also tried the "last working configuration" with the same results.

The cooling fans now seem to speed up and slow down in a cycle. The bios shows normal voltage to the processor and the temps look normal there. I have a Antec Sonata with a 380W Power supply. It is 4+ years old. It only has one 12V rail. Could this be my problem?

Regards, Al

A7n8x Deluxe 2.0
Xp 2500+ Barton
1Gig Crucial Ram 2x512
Maxtor 80 gig HD (both tried were the same configuration)
BFG 6800 128
Leadteck 6600gt
Antec Sonata ... Read more

A:Power Supply Failure?

I am a little confused. does the computer run and just not boot?

typically a PSU will blow and never turn back on. on occasion (as happened with me) a faulty transistor will cause power to cut out after the computer is on for a little (this prevents damage to the board and other components).

if you disconnect the harddrive, and power up to the bios screen, does it run okay?
also, have you tried a memtest? http://www.memtest86.com/

if the computer runs for awhile with no HDD, then it is most likely a HDD or software problem
 

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RELEVANCY SCORE 66

i just bought myself a new PC i plugged everything in and it turned on fine. then when i went and plugged in two more hard drives the PC would refuse to turn on i am led to believe maybe not enough power? i unplugged the two hard drives and now it wont turn on is it possible the power supply died?

Antec Nine Hundred Two Version 3 Gaming Case
Corsair 6GB DDR3 ram
ASUS M4A87TD/USB3
AMD Phenom II X6 1090T Black Edition
Sapphire Radeon HD 6870 Video Card
2tb western digital harddrive

and the power supply in question
Seasonic m12 bronze 520w atx power supply
 

A:Power supply failure?

You always need a good power supply anyway as it prolongs your components life. I would recommend Antec, enermax or corsair for a power supply. Saying that it might be "dead RAM". If the RAM is not working properly the computer won't start. Got any friends who will borrow you a power supply for testing?
 

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RELEVANCY SCORE 66

Just had my system conk out. On power up the flash screen for the system board displays then the system shuts down. Does this sound like a Power Unit failure?
 

A:Power supply failure

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RELEVANCY SCORE 66

My desktop kept restarting itself anytime I try and do anything very intensive (games or movies) for very long (20 min to an hour). No BSOD, and infact when the computer shuts off, it turns back on and then "begins" shutting down (as though it never finished the sequence). I had this problem until I replaced the PSU. Now the problem has returned.
I just purchased a new PSU a month ago, as my old one tanked after a year(750 Watt 80 Plus Gold EVGA) and replaced it with the 1300 watt model. I could understand such a low watt model tanking after a year under the load I had, but the new one going after a month? What is the likelihood?
I'll start from the beginning: 18 months ago I built myself a new setup. My power supply failed around 3 months ago, it was an EVGA 750 watt 80 Plus Gold, and when I used my PSU tester at least half the lights never lit up.

Stats: Antec Twelve Hundred
GPU: AMD 6970 HD ASUS Direct CUII
CPU: G3258 Haswell
RAM: GSkill DDR3 8GB
PSU: 1300 Watt EVGA Supernova 80 Plus Gold
HDD: Crucial 256GB
RAM: Gskill DDR3 8 GB 2400mhz Ram
 

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RELEVANCY SCORE 66

My machine has been acting rather funny within the last few weeks. I suspected it to be a virus, but that possibility has been completely ruled out. My computer specs are:

AMD Athlon 2ghz
Geforce 4 TI 4200
512 mb ram
333 mh ram
PC 2700

The problem is that she's getting increasingly slower. Start up is taking ages now. When I run music it takes up nearly 90% of my CPU. Starting up another program while I have music running will skip the music for about 3 minutes at a time.

Programs are taking longer to start up. Yesterday my CD drive wouldn't even open, I had to restart my system. The printer takes forever and my download rates are suffering dramatically from what they should be.

My husband suspects it to be a problem with my power supply, but I'm wondering if there's any other possible problems.

No, I don't have any trojans, viruses, or backdoor spyware running. I've ran at least 6 different programs to detect these things.

Thanks in advance for any advice.
 

A:Possible Power Supply Failure?

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RELEVANCY SCORE 66

The past 2 weeks, I've had to press my "Power On" button 2 or 3 it before it comes on. This happens about every other day.
The last time this happened, I had to replace the power supply and that was only 2 years ago. Surely they last longer than that?

Any ideas what would cause this?

Also, is it ok to leave my computer on 24/7 until this gets resolved? I'm afraid that one morning I won't be able to turn it on.

It's a PC Desktop. Dell Dimension 3000 running Windows XP. It's almost 5 years old. I do keep it cleaned and maintained often.
 

A:Power supply failure?

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RELEVANCY SCORE 66

hi guys, my friend phoned me tonight to go round and have a look at his computer that he was having problems with.

he said the computer was working fine last night but when he switched it on today it wasnt booting up and was asking for a disk or something, i automatically assumed that he had a hardisk problem n told him to power it down and i would be round to have a look at it.

i went round earlier tonight and the computer wouldnt switch on when pressing the power button.

checked the power cable and that it was turned on at the back of the tower, do i have a power supply failure?
 

A:power supply failure???

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RELEVANCY SCORE 66

A couple weeks ago my computer all-of-the-sudden stopped turning on. When I press the power button, the lights turn on and the fans start spinning for less than a second, then everything turns off. If I press the power button again, nothing happens. I can get the computer to turn on for a split second again if I either unplug the computer, wait, and then plug it back in. The first thing that came to mind is that the PSU has died. Does this sound legitimate?

If the PSU has died, does anybody know of an inexpensive replacement that would work with my mobo and power needs? Thanks!
 

A:Power Supply Failure?

Typical of a power supply failure.

And the HP m7650n does not have enough power in the supply for that GeForce 7600 GT.

Borrow a power supply to test in yours, or get yourself a power supply tester such as the Apevia Power supply tester for about $10 - $12

Or just buy a new and quality power supply... locally or on line.

You have to be very careful to get one of the exact same size dimensions and with the same sockets... If you don't have a source, www.directron.com has a huge number from which to choose.
Good luck.
 

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RELEVANCY SCORE 66

My computer has been dead in the water for several weeks now and I am not sure what the problem is. I think an electrical storm may have fried my power supply, but I am not sure. Here are the specs on my "clone" system:

MB: Intel D101GGC (w/onboard audio and video)
CPU: Intel P4 511 LGA775 (04A Platform)
PSU: RaidMax ATX 12V 380W
RAM: 1GB (2-512MB) PC-3200 Single Channel
DVD: Sony 16X
CDRW: Sony 52X/32X/52X
HDD: Maxtor SATA 200 GB 7200 RPM

When I opened up the case and looked inside, with the power cord plugged in, the motherboard has a green LED light that indicates the MB is receiving power. When I tried to turn on my computer I guess it is the CPU, but it makes a funny clicking sound and the the fan over the CPU tries to turn, but stops immediately. When I turn the fan blade with my finger it turns freely, so I know it is not the bearings in that fan. I have been to Intel.com and followed all their recommended steps to troubleshoot this problem, but no solution, as of yet. I have unplugged all devices from the power supply, except the 4-pin (12V) power connector and the 20-pin main power connector and the CPU fan and nothing has changed. What else can I do? What is a definite indicator that it is a power supply problem and not a MB or CPU problem? Please Help! Thanks!
 

A:Power Supply Failure?

Have you also unplugged the HardDrive and CD/DVD drive, and floppy (from the motherboard end)?
Remember you just want it started

The fan may be thermostatically used, that is it won't start running until the system is warm.

Reseat Ram?

Ideally test with another PowerSupply
Here's a good BenchTest Guide

You should also try dispersing all internal voltage, by holding in the power button for 30secs whilst the power lead is out.

I'd also recommend removing any internal PCI card attached
I've even have faulty CPU fans cause this error
 

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RELEVANCY SCORE 66

Right....so i was surfing the web on my main PC then all of the sudden windows just goes through the shut down process and my computer turns off.I power it back on to find that the computer wont boot,so i power it back off and on again then it boots normally....

I'm in windows again (normal mode) then the computer shuts down again about 20 seconds after logging into windows.I'm thinking it's one of those shutdown viruses...so i boot up again into safe mode to attempt at virus scanning then,even in safe mode,shuts down once again.I repeat this 3 times.I know this is not a heat issue because my bios was reporting a CPU temp of only 38 degrees celsius and my video card is a rather low end one and it doesnt really produce heat.

Suspecting that it is a PSU or perhiperal issue,i start to troubleshoot by unplugging one device at a time.After unplugging the first device (hard drive),and attempting to power it on once again,the damn thing doesn't boot AT ALL (no beeps or post screen).I turn it off,try to turn it on again...now it won't power on at all.I unplug the AC cord from the PSU then plug it back in to find that it powers on by itself once the AC power cord is plugged in (with still no successful boot).I unplug everything else except the motherboard with the same effect,no boot.The power button on the tower does not respond (wont turn on,wont turn off and the LED light is off)

I have no other spare power supplies around to troubleshoot with.So i'... Read more

A:Power supply failure?

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RELEVANCY SCORE 65.2

power supply went out so i replaced it. Now I cannot acess any folders or files on hd. is there a way to recover the files on this hd. I plan to purchace a new drive and reinstall windows meia center on it, but i would like to get my files off the old hd.
 

A:power supply failure. what happend to hd

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RELEVANCY SCORE 65.2

As the title suggests, my Lenovo h50-55 may have a possible PSU/Motherboard issue. Because upon turning it on the screen is basically black but the tower will still come on and all the fans will spin still. I have tried taking the ram out and swapping it around, taking the graphics card out and using the monitor ports on the motherboard (VGA) and nothing works. It also doesn't beep or anything upon turning it on and the HDD light is very dim. I orignally thought it was a HDD problem but i managed to install windows 7 on it and it worked perfectly. The monitor works fine too, as i plugged a games console into it and it's fine. Yesterday a family member took it to a PC repair shop and i wrote everything down that i had attempted on it the tower, but he claimed the power supply was "16" and it couldn't be tested to see if it was broken. As modern machines have "20-24" regarding PSU, but i have zero clue what he is talking about and i'll have to call him today and ask lol. I really like the machine too and i don't want to replace it after only having it for two years, so any help would be great. Thank you.

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RELEVANCY SCORE 65.2

Starting in March this year, my Lenovo B520 AIO started to abruptly switch off after running for varying periods of time. During the first week, this would happen after the computer had been running for 3-8 hours, sometimes while I was actively using it and sometimes while I was not using either keyboard or mouse, but while the screen was on. during the following couple of weeks, the machine would switch off after being turned on and running for only 5 to about 20 minutes at the most. I stopped using the machine at this point in April. I've tried a few more times since then, using these short periods of activity to keep up to date with Windows 10 updates. All Lenovo drivers are at the current update versions. Does this sound like the power supply is failing or could it be another problem. I'd like to repair the problem as simply and inexpensively as possible. Thank you in advance for your advice.

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RELEVANCY SCORE 65.2

Hi everyone,

First off thanks for any help in advance. I worked in tech support for 3 years and this problem is somewhat baffling to me. unfortunately, I don't have all the replacement parts I was used to working with or the test systems. So I am trying to figure out what is failing before taking 3 trips to the store buying and testing different parts.

so what happened...

First moved to new apartment, never had problems before that. within 10 minutes of turning computer (desktop), i was standing on the other side of the room, and system just turned off (didn't crash, just zap, no power). I didn't think anything at the time since i was still moving and messing with light switches and thought i randomly hit a cord or something.

a couple days later, after i had been using the computer for a while, games and all, one day i turn it one and it barely gets to the desktop and zap it turns off. First i think crash so i hit the power button to turn it on and nothing, no flicker no nothing. so i think power supply burnt up or MB fried. I curse in my head and go eat dinner. I come back after dinner and press the button for the heck of it and what do you know it works. worked all night, played games, cranked up the GPU. nothing no problems. i shut it down, check all the wiring in the back, everything looks solid. the entire 3 day weekend, worked great, lots of gaming.

This morning, turn it on to do some work, barely boots to desktop and zap, off again. press power butt... Read more

A:Power supply, MB, or CPU failure, how do i determine which?

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RELEVANCY SCORE 65.2

My "home-bilt" desktop running Win98SE has been hanging up on boot-up, so I decided to do an "over-the-top" reinstallation. I put my Win98SE CD in and rebooted, instead of loading the installation CD it booted up to the installed copy of Win98SE. This happened Twice ??

To check the boot sequence I went into BIOS and as I expected it was -
1) floppy
2) CD drive
3) hard drive

While I had BIOS open I noticed there was a line that read something like -
"CPU overheat protection" OR "Inoperative CPU fan protection"
followed by "Disabled" in RED letters, I changed it to "Armed"

BIG MISTAKE !!! -- If it ain't broke -- don't fix it !!!

When I rebooted, ALL THREE DRIVES [hard drive, CD-ROM & CD-RW] lite up like they were all trying to boot at once ???? After 5-6 seconds tower shut down.

After a couple of tries I moved the tower to the kitchen table and opened it up. I had a power cable BUT NO monitor. It went through the same 5 second shut-down, but I noticed the fans [CPU, AGP card & rear wall of case] were all running [for 5 seconds]

Then I looked into the power supply grille and noticed THAT FAN was running in "fits & starts". Using a pencil I noted the fan "spun freely" when the power was off.

Finally my question:

Was it "coincidental" that the power supply failed [it is about five years old] while I was checking BIOS, or did I "screw up" something in th... Read more

A:Solved: Possible Power Supply Failure ???

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RELEVANCY SCORE 65.2

I had a power supply problem. The fan stopped working and I didn't realize it for a week. The computer would just freeze up at any given moment. I replaced the power supply and though "ahhh no biggie" Turned on the comp and what do you know, it still locks up. I have switched out every thing I can think of except for the CPU. It works fine as long as you are using it, but once you let it sit and it goes into a screen saver mode, It locks up. I have NO idea what could be the cause. Maybe the video card? CPU? Damaged when the power supply was going bad? HELP???

AMD 1700
728 meg ram
ECS motherboard k7vza
MSI mx400 64 meg video
 

A:Power supply failure-now new problems

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RELEVANCY SCORE 65.2

My computer won't start up anymore...

The fan for the CPU comes on, but the rest of it won't (with the exception of the HDD and TURBO lights, which turn on but don't blink which reflects the sort of FROZEN mode it's in)... I dont' hear the HD boot... and it has been sporatically restarting itself all day (each time it reboots it seems to restart Sooner than before).... so it may be a short in a wire... I''m not sure.

The power supply seems to emit a hissing which after a few seconds dims or disappears.

I've checked all cables and they are in securely... no extreme things have happened to the computer, and before it went down it was SCANDISKed, DEFRAGed, and scanned for viruses (though I know for a fact it was clean)... it also has a firewall so it wasn't 'outside' interference.

Pentium-90 w/ 56MB RAM, Win98 SE, 1.2GB HD
 

A:Best Guess, Power Supply failure

Unplug everything from the power supply other than the motherboard and see if you get a picture. If so, plug in the floppy drive, then something else and so on.

If still no picture, try pulling all cards but video out.

Anything connected to the motherboard, when damaged, can cause what you are describing. Come to think of it, even a bad keyboard, mouse, or printer cable could do it.

------------------
Get free stuff and help out a poor computer tech

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5/21 added interactive story site - it's fun!
http://www.rkfdcore.com/ebaypics/referrals.htm
 

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RELEVANCY SCORE 65.2

hp pavilion a305w. 512 ram. (i can't look up cpu specs as it won't start) win xp, sp2
OK here's the deal. I play an online game that would randomly crash and give me crc errors that would directly reference a file in that game.
thinking that was a game specific error, i left it alone for the 5 days i went visiting for xmas. got home today, powered on the pc, and........nothing.
it will not boot.
so i unplug everything except the tower and the monitor.
still won't boot up.. no PS running, nothing.
so i unhook the monitor.. then it will boot. all systems are go, but i can't do anything with it....cuz the monitor isn't hooked up. so i go to hook that up, and as soon as it touches the back of the case (and there is no static here) the box stops running.
completely. as soon as i move the cord for the monitor, its all good. it'll boot again.
so any ideas on wth is goin on with this?
no i do not have another monitor to test with it.. its xmas eve, and i doubt any of my frenz will think this an emergency to leave their familys over.
please please please please help me figure out what is wrong with this thing. i have to get it working so i can trade it in for a better one, or i'm SOL for a pc for the forseeable future!!!!! (haha)
thans bunches in advance.

A:pc won't start - power supply failure?

Okay, this could be two things: the power-supply or the monitor, both of which you'll need to find another of, at least for testing purposes. If you get the power-supply then make sure it's the same type and make (look on your computer and give us the MODEL number for your specific computer, this'll give us the specs we need to determine what kind of power-supply you need). I don't think it has anything to do with your game, but it could very well have something to do with your graphics and/or your video card as well. Is it the power, or the dv15 pluggin (that's the plug where you hook it to the comp itself, NOT power, the other one) that messes it up?

Most likely this is a power-supply matter as you pointed out and that'll require a replacement. Those things cost alot, so if you can find a used computer at the dump or something or go to a local hospital and buy one for cheap, or have a friend with one they don't use cuz it's broke or something i'd do that, but make sure it's compatible!

God Bless and In Him,

Eric

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RELEVANCY SCORE 65.2

I have an emachines 3210. Tonight it started as usual, but then seemed to suspend. The power indicator light just started to flash and the machine would not restart. At first, the light for the HDD was lit, but now there seems to be no power at all.

Any thoughts as to whether this is a power supply failure, does the CMOS need reset or something more fatal? Not sure where to start.

Many thanks (in advance).
 

A:Solved: power supply failure?

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RELEVANCY SCORE 64.8

Starting in March this year, my Lenovo B520 AIO started to abruptly switch off after running for varying periods of time. During the first week, this would happen after the computer had been running for 3-8 hours, sometimes while I was actively using it and sometimes while I was not using either keyboard or mouse, but while the screen was on.
 
during the following couple of weeks, the machine would switch off after being turned on and running for only 5 to about 20 minutes at the most. I stopped using the machine at this point in April.
 
I've tried a few more times since then, using these short periods of activity to keep up to date with Windows 10 updates. All Lenovo drivers are at the current update versions.
 
Does this sound like the power supply is failing or could it be another problem. I'd like to repair the problem as simply and inexpensively as possible.
 
Thank you in advance for your advice.
 
Mod's Edit: Additional information added to Subject line for clarity of issue.
 

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RELEVANCY SCORE 64.8

My computer was running smoothly. I loaded some Windows Updates and after it installed those the computer froze. I had to do a cold shut down because there was no other choice. The computer would not boot up after that. It was late in the evening when this event occurred so I did a shut down and tried to power up the system the next morning. When I turned it o it would not do anything and the light on the power supply was blinking. I had seen this before and knew it was a power supply problem. I had another power supply so I installed it and got everything back up only to find it still would not boot up. I had my operating system on a SSD. I can get Windows to load of course from the CD drive. It will let me attempt a repair but it finds my other 1T drive but does not find the SSD Drive. When I go into the Bios I can see the drive (SSD) listed there along with the other two. It is like it can not find the drive to boot up to. There is some files I need from the SSD. I have gotten into the DOS and tried some things but nothing has worked so far. I can supply other information if necessary.
 

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RELEVANCY SCORE 64.8

I replaced the bad 250 watt powersupply with a 400 watt to get my asus K7M back up and running. Every thing works fine except for my 3com network card. I've used 2 other (verified working) cards with no success. What happens is as soon as the drivers are installed, the computer will only reboot to safe mode. When the network cards are disabled, the computer boots properly. I've reinstalled win98 se and deleted network settings and drivers to no avail.
Thanks in advance for any help you can provide.
Regards,
John
 

A:power supply failure causes network problem

Could be that the old PS did damage to your motherboard. Have you tried to update the OS?
 

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RELEVANCY SCORE 64.4

Hi all,

My Toshiba Satellite A30-871 notebook has started discharging the battery whilst the mains power supply is connected (The LED shows that AC is connected but Laptop consumes battery power instead of charging battery and using AC power). When the battery reaches 0% laptop will switch off. Removing the power plug and reconnecting does not solve the problem while the computer is ON, only shutting down computer starts the battery to charge. Which means that I can use laptop as long as battery retains some power. Sometimes when the notebook is off and battery is being charged, battery charging LED starts to blink and I have to remove the power jack and plug it back.

I don''t think its a loose power connector because the light shows the power is connected.

I wonder if anyone got a solution for me.

Regards,
nova
 

A:Toshiba Satellite A30 - Battery starts discharging if power supply is connected

Anyone around to help me out?
 

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RELEVANCY SCORE 64

After my graphics card died, I installed a new nVidea GeForce 8800GT, and a 470 Watt Dell-compatible power supoply to replace the 350 Watt factory-installed Power supply to support it on my Dell Dimension 8400.

WHen I boot, the embedded Broadcom NetExtreme 57xx network adapter fails to initialize. The message is:
"
Alert! Error initializing PCI Express NIC bridge.
NIC failure"

I followed the Dell support recommendation to refresh the power state without any success. I have checked the Power supply connections and all seems right. The light coming off the network cable is orange. I'm connecting to hte INternet via a wireless adapter, but clearly that's not a solution.

In addiiton, a possible related problem comes when I attemtp to upgrade to Vista. In the first restart during the install, I get a blinking cursor in the upper left corner of the screne after the Dell splash screen, apparently aborting the install. I've reverted to early OS (XP) at boot.

APpreciate any ideas.

Neil
 

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RELEVANCY SCORE 64

Hello there!

There's a really critical issue which has been pestering me and making things truly hard, preventing me to fully make use of the PC.

A long time ago, I was struck by a problem where, upon being started, the CPU lights and fan would be turned on, but not the mouse lights nor the monitor display. Basically, it wasn't fully 'waking up'. After attemps of restarting it manually, it'd end up like a car that dies right after ignition. A tech visit and a power supply upgrade solved it, but, since then, at least in 2 occasions, the problem took place, isolatedly.

Today, by the morning, I was browsing the PC and opened a program, but, after a few minutes, a flashing W8 BSOD appeared for a second and the PC was restarted - before it could be rebooted, though, the previously mentioned 'fake awakening' problem stated. I spent too much time trying to turn off and on the system, to no avail, while only having it 'turn on the lights and fan', but not being fully started. After much insistence, and some pressure on the PS cable, it was finally turned on. The system started as usual, except for a single, fatal issue.

The system simply -won't- recognize any kind of network connection, at all.. I do have an internet modem, as well as wifi-router, and when I first installed W8.1 I didn't need to do anything - I simply plugged the network cable and it was recognized/connected. But now, it seems that the system won't recognize it. I tried to restart the connection, tried to re-pl... Read more

A:BSOD > Power supply failure > No network recognized;

Alright, managed to find a solution!

Basically, this guide was extremely useful:

When your ethernet won't connect | PCWorld

Just had to uninstall the Intel adapter and it reinstalled the driver with a reboot, which solved the issue.

...So many hours lost until I tried it! There goes my saturday, lol..

Cheers!

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RELEVANCY SCORE 63.2

 My T580 suddenly one day stopped reading my external USB-C hard drive, I tried updating the drivers and several other suggested repairs with none of them working. The power light on the drive would come on but the computer didn't read it, verified with a second drive and they both work on my other computers. Looking at the timeline, I realized that this happened while the computer was still within it's warranty period, but I was busy and just let the problem go. Then two weeks later the computer just shut down on me and after letting it sit with the lid closed for a while, it was able to restart and I got a warning message at the BIOS screen that "The Power Adapter is of lower wattage than the one supplied with the machine" or something along those lines. Once booted up I was able to see that battery nuber one was fully depleted to 2% and the 2nd battery was at 99%, it then shut down on me again. I ordered a replacement power adapter to test and got the same message and the same symptoms, the computer would basically trickle charge at a rate slower than it consumed power, at this point I finally called customer service and started a repair ticket, this is when they told me that the computer was three weeks out of warranty....I send it in and a week later recieve a repair estimate of $589 to replace the whole motherboard. I called right back and complained that this computer was having problems before the warranty was up and was simply told it was out of warran... Read more

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RELEVANCY SCORE 63.2

a few hours ago, my mom brought home a brand new Acer Travelmate 4603WLCi laptop. after connecting the AC adaptor to the laptop, I turned the thing on. it worked just fine, and the Acer ePower Management software showed 33% battery power and still charging.

I was playing Solitaire back then, only for like 20-30 minutes, when suddenly the laptop just died. plain died. without shutdown.

so I turned it back on, and it went back on. only for like a few seconds after the Windows XP splash screen showed up, it died again. this time, I can't turn the thing on again.

I checked the adaptor cable that connected to the laptop, it's plugged firmly. however, the 'battery charge' lamp did not lit. I disconnected the adaptor cable, tried to turn on the laptop, it didn't work. I tried removing the battery, re-installing it, then tried turning it on again, also didn't work.

so I re-plugged the laptop to the adaptor, and thought that it'd charge up. but after 3 long hours of (useless) waiting, it's still not showing any signs of life.

I assume that this is a power adaptor failure, because when you connect the adaptor to the laptop, the 'battery charge' light is supposed to lit and you should be able to power-on the laptop. but hey, if the adaptor fails, aren't I supposed to be able to power-on the laptop by just the battery?

well, that's all I can tell for now.
thanks in advance for any advice(s) given.

cheers!
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A:my Acer TravelMate 4603WLCi died. power supply failure?

Acer Travelmate 4603WLCi laptop shut down

Hi Dhaninugraha:

The situation you described back then, now looks quite familiar to me.

The same happened to me last night. My Acer Laptop just died, just as you described. I did all the things which are common things to try to make it back working again...NOTHING !

How did you back then solve the problem. Did you find out what the failure was?

I would really appreciate any help you can provide.

Best,

franziskaner12
 

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RELEVANCY SCORE 62.8

I have a Dell 8600 about two years old. When I plug in the AC adapter, it intermittently fades to the battery as though the plug was pulled out (its not) and of course the screen fades in an out when every time it swithces--it does it every 30 to 60 seconds or so. I switched to a different AC adapter (I have a Dell 600M with the same AC adapter)-same thing so I know it is something internally. Any ideas?
 

A:Dell Laptop Power Supply Fading In and Out--power jack is bad or loose?

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RELEVANCY SCORE 62.8

Hello: Just received a beautiful W530 Laptop - love the T and W versions of this machines. However, with such a large power requirement, want to make sure that I will be able to run and charge the W530 on United Airlines, American Airlines, etc., using the supplied 170 W Power supply...  Please confirm your experience that this will work. Otherwise, using this laptop on long haul flights will not work. 

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RELEVANCY SCORE 62.4

I've recently inherited a lovely Y70-70 touch from my father, and have restored it to factory settings recently. However I'm having issues at the moment where it shuts down instantly at random times when not plugged in. Checking the system logs in the event viewer I see the following Critical message: The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly. Generally online help seems to suggest this is a power supply issue. Have I got a duff battery in here? Are there further diagnostics I can run? Unfortunately I'm out of warranty so keen to solve this myself!

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RELEVANCY SCORE 61.2

Hello All Computer hardware wizards,
My Dell Notebook a Vostro 1500, 1.6Ghz 4G Ram, 250GB Hardrive and OS: Vista Home Edition, suddenly acted up yesterday.
1) At first my screen displayed random horizontal color lines (sort of blinking randomly). When that did not change after a few minutes, I 'hard' powered off the Laptop.
2) When I pushed power on, it dispalyed the LED's for Num Lock, Cap Lock and Scroll Lock. The Cap Lock LED was blinking and the Num Lock, Scroll LocK LED's remained continously on. SCREEN was completely black.....no display!
3) After about 30 seconds all 3 LED's shut off and computer went dead.

I repeated this several times. Took battery off, tried unplugging from 110V power etc. Still does the same as described in paragraph 3.

PLEASE HELP! PLEASE HELP!
 

A:Screen Failure & Startup power failure. After 30 seconds laptop powers off

That doesn't sound too healthy!

How old is the laptop? If it is under warranty I would get it checked that way.

My initial thought, although not a certainty, would be a problem with the graphics card itself from your description.
 

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RELEVANCY SCORE 60.8

Hey, got quite a problem with my laptop.. It's a Medion Erazer X7813, worked well for ~2 years.
I was doing a graphics card benchmark yesterday and it stopped in the middle of it(monitored temperature, it was at ~80 degrees Celsius when it turned off). No bluescreen or anything just off and I couldnt restart after that(no fans nothing). I thought it might be the power supply, so I tested it, but it was doing 19v when not plugged in, but when I plugged it in and unplugged it again it was at 1v. When testing I unintentionally shorted the power supply and it showed 1v after that just as it did after plugging it in, is it shorting inside the laptop? Could it be the battery or something more serious like the MB? Any ideas are welcome!
 

A:Laptop gets no power, power supply seems to be working

The charging circuits on the laptop motherboard may be shorted...
 

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RELEVANCY SCORE 60.4

i've already done an clean installation of win10 with an usb on my NB10-a-102.

and i can't find a solution for this problem

problem with: intel(R) Trusted Execution Engine interface

if i open the property the message say: STATUS_DEVICE_POWER_FAILURE
i've already update drivers by intel driver update utility and by drivers dowload by Toshiba website, but nothing to do.
any helps ?

thanks a lot.

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RELEVANCY SCORE 60

First id like to introduce myself...I go by the name of GeRm...I reside in Miami,FL and im a certified Pc technician just looking for a second opinion...my situation is as follows below

I bought a Toshiba F-15 AV201 from CompUsa a few days ago (unfortunately we are shutting down )....anywho upon boot up i got a windows xp splash screen with blue vertical lines going down it and then a BSOD...so i reformatted the unit and after the video drivers were installed the vertical lines stopped...so i bought it and took it home thinking everything was working fine (since reformatting it in the shop and installing all the drivers it was working fine that whole day)...anywho the next day im listening to music and all of a sudden the music distorts for like half of a second and my LCD goes out but the actual backlight of the LCD is still on and computer still running. The only way to shut down is to hold the power button....so after a restart the qosmio screen is distorted and my windows xp splash screen is with the blue vertical lines again and i get 2 BSOD's either with a NV_mini.sys error or a Page fault error...but in safe mode the computer works flawlessly and if a i disable the video card the computer boots up normally with no problems Im calling the GPU messed up...but here are some facts

-The F-15 series have a defect from manufacturer regarding video issues from the Nvidia Go5700,Toshiba is upgrading my Mobo and my graphics card to a Nvidia Go 6600 Free of charge

-Would... Read more

A:Toshiba Laptop...Possible GPU failure?

Sounds like it would be a GPU problem, because since it is an LCD screen, you shouldnt get lines going across the screen that dont show up in safe mode, or in the POST.
 

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RELEVANCY SCORE 59.6

My laptop became laggy after leaving it on for a while. then i decided to turn it off for a little bit to let it cool down. After this i tried to start it again, but everytime i try to start it it goes to the OS choice menu. and then i've tried selecting safe mode and the other choices. Then after selecting one it begins to load then it shuts off and a blue screen pops up for less than a second and my computer restarts. I have also tried pushing F8 on the toshiba start up screen and rebooting it but the computer just shuts off if i select reboot. Can anyone help me solve this problem please?
 

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RELEVANCY SCORE 59.6

I have a 6yo laptop whose battery died within the first six months. I have been using on ac power since then. I read an article about repairing the battery by disassembling it and replacing the individual batteries which make up the laptop battery. I managed to pry the top off the battery and there are 8 3.7 volt cells inside (see picture). I check on the cost to replace the cells and it is reasonable seeing that I can no longer find a battery for the Toshiba. I also found a very sophisticated circuit boare in the battery (see picture). My question is, how do I know whether or not the circuit board is functional and what the heck is it supposed to do??

there are pictures at misterfixit.com/Toshiba
 

A:Toshiba laptop battery failure?

Message from this car mechanic's web page




Forbidden
You don't have permission to access /Toshiba/ on this server.Click to expand...

I find it stange that you can't find a new battery for your old Toshiba. As usually most do exist somewhere. But if you have tried, that's that then.

Yes I'm aware that you can replace these internal cells yourself (as dangerous as it is)
I suppose try (at your peril) to see if the new batteries fix it. The internal board can be faulty too, but usually not. You might want to attach a clear small pic.
 

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RELEVANCY SCORE 59.6

my laptop is brand new with vista installed on it, however, for some reason, the screen will randomly turn black and nothing responds. I can only fix it if I turn off the computer manually and then it will work again. I don't think it's overheating because sometimes it happens in the first hour I turn it on
any help appreciated =)
 

A:toshiba laptop with vista failure

If you haven't already, run virus and spyware scans - check the Device Manager for any conflicts as well as the Event Viewer (Control Panel in Classic mode, Admin Tools) for a clue as to what the problem is.

Bottom line is this is a 'new' laptop. Back up your critical data and return it.
 

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RELEVANCY SCORE 59.6

I am trying to help someone that has a Toshiba laptop with a screen that has an increasing number of bad pixels. The unit is less than 1 year old (and the problem started months ago). It was purchased from Best Buy. I advised the owner to take it back to Best Buy as I expected it to be still under warranty.

The owner (a very inexperienced computer user) was told by Best Buy that the problem was due to abuse and probably not covered by the warranty. This computer has been sitting on a desk and used only a few hours per week, and the owner has certainly not "abused" it (although that may be hard to prove).

In fact, I am certain that the problem is a manufacturing defect, but a variety of searches (this forum and other search engines) has not identified this or other Toshiba models that have this failure at an unusually high rate.

Can anyone provide one or more references that will support my contention that this type of problem (whether with Toshiba laptops or other brands) is (or can be) a result of a manufacturing defect? And/or whether this particular Toshiba model is known to exhibit this problem in unusual numbers?

The Toshiba model number is PSC0YU-oLN03X. My searches turned up references to Toshiba models if I use the first 6 characters of the model number, but nothing if I use the complete model number, which I find difficult to understand (but then I am not familiar with the Toshiba product line). Are those last 6 model number characters significant?
&nbs... Read more

A:Toshiba laptop screen failure

If it still has a warranty i would have them call toshiba personally and see what they say about it. as far as best buys answer i wouldnt let them be the final word on this problem.if the laptop is fairly new it shouldnt be having screen problems already if the computer was properly cared for. so that tells me theres some sort of defect with the computer unless by some chance the computer was dropped then that might change everything as far so called abuse or carelessness.
 

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RELEVANCY SCORE 58.8

Can anyone tell me what is so special about the power supply/adapter (the bit that lets you use & charge them from mains power) for laptops that makes them so expensive.

It would be useful to have an additional for use elsewhere but for my Sony Vaio FS315S the part VGPAC19V10.CEL is ?90 about USD $150. That is almost 10% of the cost of the laptop! The specs say:-
This AC adaptor is easy to transport. It can be used as a replacement part or as an extra to keep at home or at the office so you are permanently up and running.
Compatible with VAIO VGN-FS, VGN-S4, VGN-S3, VGN-A4 and VGN-A3 Series notebooks.
Input voltage: AC 100 - 240 V, 50 - 60 Hz
Output voltage: DC 19,5 V (4,7 A)
Plugs: UK + Continental / European included
Dimensions (W x D x H): 140 x 63 x 30 mm
Weight: 0.420 kg
I know we seem to have to pay over the odds for EVERYTHING in the UK but this does seem steep. What problems would I encounter if I could find a cheaper one? Would I do any damage?

Peter
UK
 

A:Laptop Power Supply

You can get an equivalent power supply at Maplins for about 24. When my power supply went it was going to cost 90 for Toshiba for my laptop.

So even if the power supply only last 2 yrs I'm still quids in.
 

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RELEVANCY SCORE 58.8

I asked Gateway tech via e-mail if I could use my 300W inverter as power source for my laptop while traveling in my car. They said NO, I needed to buy from them an 80W auto/air power supply and I should call Sales for guidance. I'm dubious of their answer. Anyone have any thoughts?
I've successfully used other AC appliances with the inverter.
 

A:Car power supply for laptop

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