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pre-POST failure. no beep, sys doesn't go to POST

Q: pre-POST failure. no beep, sys doesn't go to POST

Sys: W2K, SP4; IE6, 512megs SDRAM, 1.2 gig AMD Athlon CPU, ECS K7SEM mobo, Award 6 Bios.

Problem: Upon system startup, power comes on, but nothing else--no beep to indicated the system has entered POST. After several tries, it will finally beep and the harware will come to life.

Once working it will usually keep working as you'd normally expect as power cycle to work. It's mainly after sever hours of being off and now always, over night that the error occurs--no power to the hardware, until several tries.

History: Recently been hit with many Trojans & viruses. They've made it past my NAT router, past my software firewall and have taken apart my McAfee AV program. But they have been contained, before they could do any damage, so I hoped, except I just got a bounced email yesterday, that shows I have been spoofed and my address book copied and is being sent to. So a Trojan got in.

I have SpyBot S&D, Ad-aware, McAfee VS8, two firewalls going. I have cleaned all the viruses/Trojans off the system, out of the registry with S&D, Ad-Aware, VS8, Trendmicros VS and Pandasofts VS programs. As well as using CWShreeder, MRU Blaster, BHO removers, HiJackThis.
The system is clean. no hidden files, every thing ok. It doesn't seem to be an OS problem.

A week ago, my power supply went out.
I replaced it.
It's since replacing it and getting all the viurs/trojan hits that the problem has begun.

I thought it might be the new PS, so I put in another, but still, the same problem.

I've taken component after component out of the system to see if that makes any difference.--removed my optical drives, removed my HDD, removed my floppy & replaced it, just in case.

Put in new Cables. Attached a different monitor, with diferent cables, pulled up a backup of C drive and tried it in case something was wrong there.

Nothing has helped. Still no beep letting the system go to POST, no lights on the HDD or Floppy, but all fans are running, temps are nominal.

One time, after everything was out of the system, I finally got it to come on and tried to boot with a DOS boot in the floppy. It was completely misread--saying no config file, no command ... Put the same disk in another w2k sys and it booted perfectly.

Now, though, the bad system will boot from the floppy, once it gets into POST.

Since then I have reinstalled each device, reconfiguring the BIOS to accept a new install (resetting the ESCD each time.) but that didn't help.

I also took out the keyboard & mouse, expecting to get a beep or error code on that. But still the sys. would just power up and hang--no lights to anything, until after the fourth -seventh try. Then it'd start and I'd get the expected errors or if everything is back in the system, it works fine.

So all Hardware seems to be ok. All cables seem to be ok. The PS is ok, since I swapped it and got the same results.

I did notice that my system battery clock is running slow.

I check the BIOS, it looked ok.
I tried a few changes and told it to save, which it did.

But when the failure occured, I found the BIOS had retruned to the way it was before I made changes.

I tried using the BIOS in fail-safe and optimum modes--still no change.

Could it be a BIOS problem? One of the viruses got to it or when the PS went out, it did something to it and I need to reflash it? That's scarry though, because I never know when the error may occur and it may happen while I'm trying to execute a BIOS flash.

The only things I haven't pulled are the CPU & memory. But I don't have replacements for those to see if they are bad.

The other possibility is that I've lost the mobo, but i don't have a way to test it.

What do I try now, other than getting a new system? Oh, I've also taken the components & mobo out and tried to run it with them out of the box--same problem.


Preferred Solution: pre-POST failure. no beep, sys doesn't go to POST

I recommend downloading and running Reimage. It's a computer repair tool that has been proven to identify and fix many Windows problems with a high level of success.

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A: pre-POST failure. no beep, sys doesn't go to POST

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I recently upgraded my comp. More or less I just rebuilt it. The only thing that is the same is a 20 gig hardrive cd drive and floppy drive. I bought a brand new ati 9200 128 mb graphics card. I have a brand new atx case with 500 what pw supply. I have a amd athlon k7vta3 elitegroup mb that's brand new. A 1.6 gig processor also amd that came with the mb also brand new. I know for a fact that the card works cause I used it in my old sys for a couple days. My ram is ddr pc 2700 pin and i have 512 of it I've checked all the leds and everything is connect right I've gone over them a ton. Could it be the bios problem. Anyone have any solutions

A:No Post Or Beep!!!

Check the clear CMOS jumper isn't set to clear CMOS some motherboard manufacters set the jumper that way to save on battery life.

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Hi, please help me with this, A friend of mine got a used system that was operating just fine, it is an older system heres the specs...

intel P4 (socket 423) 1.3 GHz
PcChips m920 board
512 Mb pc133 sdram
300 watt power supply
40 GB maxtor HD
Geforce 4 MX440 agp 4x card

ok heres the problem, he wanted to upgrade th evideo card, so we took the one out of anothe rputer he has, the card is a chaintech geforce fx 5200 256 mb agp card. Once it was installed, and we made sure it was seated properly and checked everything else, we tried to boot.....nothing, no beep codes or anything. The fans came on, the drives started up, but screen stayed black and no boot. So, just to double check we put the mx card in, and it booted. I know there is the AGP comp driving settings in BIOS, and it was set at auto. Do we maybe need to adjust that? And if so, to what? thanks in advance.

A:No post, no beep, no anything

Did you check for compatiblity on that new card .There are two different voltage rate for AGP 1.5 and 3. something I don't know your MB but if it is older it may not be compatible.

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There is no beep after successful POST. Everything is OK, just no beep.
The mobo is Gigabyte GA-7VT600-1394 with Award bios. I cannot see a speaker on the mobo but it is plugged in to the case speaker anyway.

Is this normal for this board?

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My Dell Dimension 4100 emits a single beep during the POST on every boot-up. Dell Tech support site says it's a memory refresh failure, and to re-seat the memory modules. I've done this, as well as test each of the two modules separately, and have also inserted a third memory module. In all cases I still get the single beep on boot-up. (The PC hangs up regularly, doesn't always shut down properly, and sometimes hangs on startup.)

What else could be the cause of the beep, and how to fix it?


A:One Beep on POST

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Hi all,

My first post....great place!

I got a friends comp coz he wanted me to format and do a fresh install. He had a bunch of programs that was conflicting with each other. Anyway when I got it I thought I would just try to uninstall some programs. Long story short it gave me a blue screen "stop error". When I tried to re-boot it doesn't post and it doesn't give me a beep. It just turns on for a few seconds and shuts off. Could the power supply be failing?

Any input is appreciated.


A:No post, no beep

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No Post, No Beep. Bad MoBo?

after reading many threads about this subject i feel i should describe the problem i'm having, to know what my course of action should be.

i don't know for sure what was the cause of the malfunction but it started as system lock-ups and now the computer won't even power up. it seemed like video-card problems at first, because everything would freeze when i tryed to watch movies, and video problems could be noticed. yesterday after trying to deal with this video problem in lots of ways, i tryed to turn the computer on and nothing happened, no beeps and no post. when i push the power button the cpu fan and the psu fan rotate for half a second and then stop. i have to cut the power to the psu and reconnect it in order to try again. sometimes the power does go through but still no beep or post.

i tryed removing the cmos battery (all the removing done with power off in case you were wondering) and replacing it later, changing the jumpers to reset the bios (after doing those things i started getting more power ons than before), taking all out except what is absolutelly necessary, leaving only the cpu. tryed adding the ram, then tryed adding the video card... nothing works. i wonder if the video-card is needed for the POST BEEP to be heard. anyway, the main reason why i'm posting this is because i wanted to find out what is the defective piece here, as i suspect the mobo, the PSU, video-card or CPU (or RAM?).

it's impor... Read more

A:No Post Beep

Hello! Welcome to TechSpot!

Could we get the details of these componants?
A shot in the dark---it might be the MoBo.
Yes vid card is needed, unless you have onboard vid.

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I just put together a Pentium 4 3.0ghz on an Intel D865PERL MoBo. But after I hook everything up, and push the power, the Mobo LED comes on, and all the fans are turning, but I don't get a POST. No beep, no error beeps, just complete silence. I barely know enough to get myself into trouble. If anyone has any suggestions, I will gladly try anything. Thanks.

A:NO POST Beep!!!

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I had a problem weeks ago where my video card would stop responding. ATI Driver tool can recover from this error. A week later after the initial problem occured, my motherboard wont post anymore it wont sound a beep neither. I tried swapping PSUs but didnt help either.

My question is, wont the motherboard post without a video card or with a broken video card? I dont want to buy a video card when my motherboard could be the actual problem

A:No Post No Beep

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Hey guys, good forum you have here, i'm learning a lot.

Normally i can fix a broken pc but this one im puzzled with.

I have a Pentium 3, slot 1 Xblade computer with an Intel M/B which will not display a bios screen or beep. Sorry I can't give more detail, the pc is not mine.

I've rejigged the memory, took out all pci cards, tried another agp card, tried another monitor, removed all IDE's, tried another PSU, renewed the cmos, and then the final step was I replaced the whole motherboard using paper washers just in case it was shorting.

Still the same result, as soon as I plug in the PC, it starts on its own accord and alls I get is the red HD activity light on permanent. All the fans and PSU spin as normal, just no Display whatsoever.

The only thing I can think of is dead processor (rare) or faulty case.

Any ideas or suggestions please?

A:Help, No post, no beep

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Recently moved, and just before I moved I'm not exactly sure what happened but the electrics (but not the lights) in the house cut out, until housemate did something at the fusebox, so either may have damaged something.

I've reseated RAM and video card, reset CMOS battery and checked cables. Fans and lights come on, if I take RAM out I hear long beeps during POST but still no boot.

Any help appreciated

A:no POST beep when booting

Clear the CMOS (using both methods as described below) if you have a power shutdown, that might help you get going.Turn OFF the computer and unplug the power cord.

Hit the ON button (power button) on the case to remove any residual power.

Remove the onboard motherboard battery.

Move the Jumper Cap from pins 1 & 2 (default) to pins 2 & 3. Keep the cap on pins 2 & 3 for ten seconds, then move the cap back to pins 1 & 2.

Reinstall the Battery.

Plug in the power cord and turn on the computer.

Hold down the DEL key and enter the bios setup menu to re-enter data.
Notes: Some motherboards use different key combinations to enter the bios setup menu.

There are also some motherboards that you can simply push a button to achieve the same as moving the jumper from pins 1 & 2 to pins 2 & 3 and then moving the jumper back.

In addition, there are some boards that you simply use a screwdriver to short across the two jumper pins (no jumper), but this serves the same a removing the jumper and replacing it to adjacent pins.

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I just purchased a new setup:
* Intel Core i7 920 Nehalem 2.66GHz LGA 1366 130W Quad-Core Processor Model BX80601920
* CORSAIR XMS3 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Triple Channel Kit Desktop Memory Model TR3X6G1600C9
* Western Digital Caviar Blue WD2500AAJS 250GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive
* ASUS P6T Deluxe V2 LGA 1366 Intel X58 ATX Intel Motherboard
* EVGA 896-P3-1255-AR GeForce GTX 260 Core 216 896MB 448-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported Video Card
* CORSAIR CMPSU-750TX 750W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Compatible with Core i7 Power

I put everything together, hit the power button...... no beep or video. I don't have my CD drive hooked up, put only 1 stick of memory in. made sure all connectors are pushed in firmly. whats going to be my first step of diagnosis. I can hear my HD click once if that helps. All fans are running(psu/video card/hsf/case fans)

A:No Post beep/video

Got it to post correctly with 1 beep, now the screen is garbled and pixelated. One message that I happened to catch was something about Express Gate.. Anyone have information about that? I can only see the begining splash screen that says ASUS P6T Deluxe V2, after that initial screen, you cant make out much of anything... yikes!

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I am really flustered The other day mouse and keyboard got disconnected. Reconnected and restart comp. Nothing boots to a Intel screen no beeps, fans and lights all working. Tried different hd same checked all connections, changes hd cable. now ready to beat comp. :unch: I don't want to randomly start replacing. Anyone every run across this situation? Could you plz point me in the right direction.

A:No Bios Post Beep

You probably toasted the motherboard. Nice pink font... You must be a nice woman

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I am trying to build AMD system with following parts
Athlone 64 754 3000+,
GA-K8U Ulim1689 motherboard,
pc3200 512mb ram
gforce fx 5500 AGP,
new psu.

I fixed all parts connect hard drive, monitor and turn on
there was no beep, monitor is blank but both lights on front of case r on
little LED on motherboard is on, all fans(psu, hitsink, graphic card) r on
i can hear the hard drive spnning.
i disconnect and reconnect all parts several times.
i try to boot from cddrive but same thing
i have 2 agp cards and i try with both noothing come up on monitor

A:building AMD sys, no beep no post

Try clearing the cmos! Your mobo manual will tell you how!!!!

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Hi, I'm new here.

My nephew asked me to look at his PC because I'm the family computer expert

But I can't fix it so my reputation is in tatters. If you can make any suggestions I'd really appreciate it.

It's a desktop PC running Vista, about four years old. When turned on there's no display and it immediately beeps. It's a long beep repeated continuously.

The motherboard is by Foxconn (N15235) and after rooting around their web site I found that this indicates a RAM error.

I replaced all the RAM cards and the cmos battery but to no avail.

Possibly the motherboard is faulty, but I can't test that.

Ideas gratefully accepted.

A:POST and Beep Codes

Try to only put in the minimal amount of RAM sticks required (usually two) and if you have another computer that you a verify the RAM in, all the better. If you can rule out the RAM, then it's the motherboard. The memory controllers are complex pieces of silicon and it they are the fault, you'll get the same beep error.

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Well my main computer quit today. It's an MSI K7N2 Delta 2 platinum with an EVGA GEForce 7800GS card. Athlon 3200+ XP CPU.

It won't POST. No video at all.
I keep getting a long Beep on boot up - I have removed / reseated memory sticks, reseated the graphics card, reset the CMOS (by pulling the jumper).

The manual doesn't describe the DLINK beep code of just 1 long beep. The closest it says is 1 long beep followed by short beeps. I'm not getting short beeps.

I'm getting power, but no video at all.

Basically I need to know if my video card or PSU has failed and what the DLINK error beep is. I have a generic 600W PSU and the system has run for at least 2 years straight - 24/7

I got some beeps the other day when playing a game, but the beeps went away. I have a bad feeling the video card quit on me. Any ideas? I'm thinking PSU might not be giving enough juice now that it's old.

A:NO POST - with DLINK beep

Hi Tedster.

Sorry to hear you`re having major problems.

I`m not sure what you mean by a DLINK beep.

My first guess would be either a bad psu/bad mobo.

Disconnect anything not required to boot your system and see what happens.

Regards Howard

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I went and ate dinner my rig was working fine, when I came back I had no display.

GIGABYTE GA 990FXA Motherboard
AMD FX 6350 Processor
GFORCE GT 740 Graphics Card
GSKILL Sniper RAM (2 sticks)
THERMALTAKE SMART650W Power Supply (new)

I Tested Video card in another PC, replaced power supply and tested SSD, Still no display. It powers up and stays running. There is no embedded speaker on the Motherboard. I guess that leaves the processor or MB?
I sent the MOBO in for repair, received it yesterday and reinstalled. I am bread-boxing and still no video.
I installed an internal speaker. No post beeps unless both sticks of RAM are out; then I get continuous short beeps. So far new power supply and MOBO. I tried posting with no peripherals. My computer starts, the PS fans run, the heat sink fan on CPU runs... Is there a way to test the CPU?
I took a stick of RAM from another PC, same results

A:No Post Beep, No Video

so when you have all RAM out, you get post beep but with RAM in, no beep at all?

Do you have onboard VGA connector you can try?

You sent in the mobo, but did they do anything to it at all?

If you are able, reseat the CPU. Not sure there's any other way to test it other than to swap processors or test your processor on another PC.

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I posted this elsewhere and have since discovered that place was inappropriate; sorry.

Fixing an old machine, p3 phoenix bois, and it boots with a single beep, and seems fine until it initialises the keyboard. What transpires i can only describe as an angry successive beeping that develops into a seemingly continuous beep. The background is bizare, at least as far as i understand it, a client brought in 2 machines, the first had swolen caps on the board, which we replaced, and ran successfully for some time. However, the keyboard began to stutter with beeps after post and after re aligning the pins also worked fine. Subsequently, the client brought the first back, the keyboard had begun beeping again, only with more intensity and irregularity, simmilar to a stuck key but more erratic. I sent the client away with a new keyboard and success. However, the client returned again, reporting that the beeps had begun again 4 or 5 days later. Again I replaced the keyboard with, and no beeps. Subsequently the client brought in a second machine reporting that the first had persisted with its beeping issue, and that he had chosen to use another machine at his disposal. As it turns out the second computer had the same issue, solved at least initially with the replacement of the keyboard. The problem still persists however, and seems to have gradually worsend over time. In both cases the same original keyboard may have been used by the client, in the case of the first machine the keyboa... Read more

A:Continuous Beep After Post

You sure this client isn't messing with you and has somehow caused this? Are there any *.bat files or something similar that have some code in them to cause this? I guess last but not least, is this an error code that the bios is throwing you due to heat problems or something of the sort.

Just seems a little suspicious.

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I was in to process of putting a new HD in my computer, seemed like everything was fine. Just as I was about to partition it, the screen goes blank. I reset the computer and I don't even get a beep on the POST test. I cleared the CMOS(even took the battery out) and I still get nothing.

I don't get it, I can't see the Bobo working fine one second then dead the next.

Abit K7-100 mobo
650 Athlon Slot A processor
256 RAM
32 MB Nvidia video card

A:No beep at POST test.

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I went out today and came back and my PC was stuck at the "Last known good configuration screen". I tried to boot into windows using that setting and nothing happened, my PC Just restarted and the cycle began back to that screen again.

I restarted, POST gave me no errors but i was still unable to get into windows, I put my disk in and attempted to repair my installation and once again it wouldn't load, I got to loading necessary files etc (With the bar at the bottom) then the PC restart after that..

I'm thinking it could be a hard drive issue, I've got a spare old hdd i can try, but before i pull apart my PC i thought id ask here.

A:PC Won't boot, POST beep is OK!

Follow it:
Troubleshooting Windows 7 Failure to Start

Or, run Startup Repair for three separate times, with restarts after every single run.
Startup Repair: Run three separate times.

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My wife has a T1600 eMachine, Athlon processor. It powers up, the indicator light comes on yellow, the fans work but nothing else. No POST beep, nothing on the monitor at all. Any ideas on where to start?

A:No POST Beep, No display, HELP!!!

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Hey, i got my Gigabyte EP43-DS3L motherboard today, so i put all my hardware in the motherboard, as you do. All working fine in the old motherboard apart from the CPU which was brand new.

I'm almost sure i connected everything connectly, but when i start up it just spins the fans and LED comes on, the graphics card fan is much faster and louder than previous too.
I don't get any image on my monitor and there are 4 LEDs that say Phase next to them on the motherboard

Phase 1 is green, phase 2 is green, phase 3 is orange and phase 4 is red. I'm not sure if that means anything.

Wnat could be wrong guys? Everythign appears to be plugged in and working, just the motherboard isn't startign up Cheers

A:New Motherboard - No Beep or POST :(

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Hi again,

Fixed the old problem of the computer rebooting.. I just gave up and awaited a new CPU through the post.

Fitted the new CPU, now when I boot it up I'm not getting any POST beeps or display through monitor.

I've read topics around tinternet and everybody says it's mobo or CPU.

The mobo is less than a month old, and the CPU came two days ago.. I'm pretty confident that it is neither of them (if it turns out to be.. I won't be surprised though)

I've ran a basic boot with only mobo, CPU and HDD's attached.. same problem

Checked the pins on the processor and in the CPU slot, all seem pretty good. All wires that are supposed to be connected are connected so can't see a problem there.

I also disassembled and rebuilt the PC while it was completely unplugged on the floor, so don't think I shorted anything...

Please somebody help

Computer Spec:

Intel Core 2 Quad 2.5 Ghz
Corsair Vengeance 8Gb DDR3 RAM (2x4Gb)
Asus DDR3 Mobo
XFX Radeon HD 5450 1024Mb
Windows 7 Ultimate

A:New problem - Not getting a POST beep

I've also tried refitting the old CPU which I know worked and still not getting a POST beep at all

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OK , no post, no beep, no boot, no clue. I have a hp dc5100 desktop pc. Intel inside 3.2Ghz , 1gig ram, all factor except some upgrade on the ram by a tech quite some time ago. I left my pc on overnight as usuall, next morning nothing on the monitor. I left it on with screensaver, not in hibernation or sleep mode. No response. so I rebooted and nothing, except the following, power light came on with fans , cd led blinks etc, but no video no post, no boot?.

I tried all the troubleshooting guidlines i know and such listed on HPs' site. Ram is good, monitor is good. with all perifials disconected. Mainboard led is on.I tried an external video card. I tried clearing the cmos. made sure connections and cables are good. cpu cooler is warm to touch. video chip warm to touch. I completley disconected all power cables, pulled cmos battery,pulled all jumpers and used the cmos reset button on the mainboard, in various sequences. restored all to original state and still... Pwer up renders no video, no post or beep sequence. P.S. when i try bootup with no ram i do get beeps for memory fault so speaker is working. I havn't come across this before as I usually run AMD on an ASUS mainboard and I'm not familiar with HP. Any suggestions of what i may have missed are gretly appreciated thank you.

A:no video no post no beep

1st thing is to try a different/new power supply

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My other topic went unnoticed but I've managed to downsize the problem a bit in the meantime.

Issue: No POST beep thus no display on monitor

How it happened: Computer's been fine for months - pulled out video card - dusted off all fans - put it back in - no POST beep.

What I've tried:
Reattaching the video card several times and cleaned for dust on and around socket/card. Reseating RAM and booting with each chip.
Cleared CMOS (I think, ~30 seconds on CLR RTC (should it be a full minute?))
Making sure that all cables are properly connected (they should be as I didn't detach any internal ones initially)

Any ideas?

A:Solved: No POST beep

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hi, im looking at a pc for a friend its a CCTV video server and so has raid drives and bnc cards, apart form that it looks fairly normal. however he brought it over because he cant get any display on it. The machine switches on and all fans are running cpu and PSU are running, but theres no system beep. Ive removed everything so its just the barebones but theres still nothing. Im all out of ideas and tests to run help Please !!!

A:No Screen no post Beep

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Let me start off here... XP Pro, 2.8G, 1Gig RAM, 5 year old E-machine which mother board I've replaced since then.

Two days ago my computer wasn't working and gave me a Unmountable STOP Error blue screen. So I fixed that by repairing my Master boot record, but after that I had my computer up and running. So I took this time to defrag my computer, so I left to work while it was defraging when I came back I turned on the monitor to see if it was done(which it should have been by that time several hours later) and found my computer off altogether. So I started checking a few things and when I turned on my computer my monitor would not get a signal and it would give me three POST beeps about 3 seconds long each, but the CPU Fan would come on and my hard drives sounded like they were working and the PSU fan would come on. So I figured it was my CPU that over heated or shorted out, I had in the past never had luck with my mother board. Then I went and got another CPU and replaced it in my computer re hooked everything back up and turned it on it sounded like it was working but again I got one POST beep and then my computer will turn off. And again the monitor would not get a signal for the 5 seconds total its on, after thinking about it I'm thinking that it might be a PSU issue but I will have to wait till I get another one to test it out.

If any one has any suggestions about my perdiciment I would love to hear it, and I'm sorry if I wasn't clea... Read more

A:PC Turns Off after first POST beep

The 3 beeps at post sounds to me like bad memory stick...you might want to check that out next

Raven Master

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I am using Phoenix award bios motherboard with 3GB ram and 250GB HDD. Some days ago when I started my pc I got black screen so I checked HDD CD ROM connection and RAM slot alothugh everything was okk my pc wasn't starting so I reinstalled processor but it was help less. Some one told me that if u r not getting beeps them ur MB is not working. Some months ago I got same problem but it was solved by reinserting RAM but now it is not helping. Plz help me if any one knows solution comment below or buzz me
Email id [email protected]
Mobile no

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Can anyone tell me what 3 beeps mean, my board is Intel D945 GCCR. My computer beeps 3 times and then just won't start up and also that this beep thing doesn't always happen, it happens sometimes and other times the system will boot quite normally.

A:Post beep code

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I am using the Award/Phoenix v6.0 BIOS for my Epox 9NPLA-SLI mobo, and it just started giving me one long beep and that's as far as it gets. I've checked out the POST code beeps, but they don't say anything about one long (approx. 2 seconds) beep. Anybody have any ideas?

A:Weird POST beep

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I have a Compaq desktop which I have had sitting up for a while, it isn't but maybe 5 years old. I say it's been sitting up for about a year. Well anyways, I decided to break it out and get it going again. I got all my hardware, the CPU, HDD, 1GB DDR2 RAM, and a CD drive. I put everything back in properly and it does not POST beep at startup nor does the monitor get any signal. Anyone have any ideas what could be causing this problem?

A:No POST beep or video signal

See if there's anything in this post that helps; http://www.techspot.com/vb/topic113137.html

Oh, and did you remember to plug in the CPU (4 pin) power connector..? That can be such a deal breaker.

Sometimes, a PSU can go bad while sitting around. I've had one myself that wouldn't restart after it was powered off. (That said, the caps were whining pretty bad while it was running).

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Yesterday I decided to restart my computer after having it on for a week(it started to slow down noticably.) After shutting down, though, the computer now refuses to boot up. It doesn't get past POST and doesn't beep even if I take out the ram. Also, the power supply has started to make a really loud revving sound(hard to describe exactly, but thats a close description.) This persists even if the power supply is only connected to the MOBO and case fan.

Since computer is down I can't get the exact specs, but I have 2x2gb ram, 1 160gb hard drive 1 250gb harddrive, XON-450X PSU, Nvidia Geforce 8400gs GPU, CD burner, and an intel 2.4ghz quad core cpu.

Edit: I've already tried cleaning the PSU fan and clearing the CMOS. No dice.

A:Computer won't boot, no post beep even without RAM

Given the sound coming from the PSU, it sounds like that may be the problem. It doesn't appear to be a board or ram issue or you would expect the beeps at least.
Have you got another PSU you can try in this system as that could be the solution.

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Packard Bell Force 2460 – Phoenix Technologies motherboard and bios – Windows 95

Failed to boot up the day after a perfectly normal shut-down.

A few times it tried to boot but went blank during the process.

One time I managed to get into setup. Setup was missing the drive specs so I filled in the data, saved and exited from setup and it booted OK. It then ran normally for 8 to 10 hours until I shut it down properly. The next day it would not boot again. No nothing….

I checked the power supply. All the voltage readings are correct.

The Lithium battery for the CMOS is fine (3.45 VDC)

When I apply power by switching on the power strip, the green light lights on the front panel, the hard drive spins up, and its head relays click into their initial settings, but nothing else happens. No beeps, no boot, no video.

Before I discard this relic, does anyone have any suggestions. I searched the web for info on the motherboard but can’t find any. If someone knows how to reset the bios to the defaults, please let me know.

Another thing I noticed is that it I power it up by pressing the power button on the front panel, the green light lights, and the amber “drive activity” light also lights up solid amber and remain on. This does not happen when power is applied by the power cord switch.

This leads me to think that the power button on the panel must have more that one function. Please tell me about this if you understand it.

Thanks in advance for any help you can offer…..
... Read more

A:No POST, No BOOT, No BEEP, No Video

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Hi all..

When I try to boot up my PC there is no signal to the monitor and I do not hear any POST beeps.I try to Any help please.

A:No post beep and no signal on monitor

Let's eliminate the obvious first:

Is there power to your pc and to your monitor, and they are both switched on?
Do you have power lights at both the monitor and the computer?
Have you recently moved /disturbed your computer "setup" /location?
Is it possible some cables may have come loose?
Have you tried the monitor on another (known good) computer?
Have you tried the computer with another monitor?


What were you doing the last time the computer worked properly?
Have you added any hardware or software?
If you turn on the monitor, and then turn on the computer, do you see anything on the monitor at all?
(most monitors today have a start screen made by the maker, before giving you a "signal not detected message and then going dark).

If you see a boot screen from your computer, can you get into your bios?
Can you boot to safe mode?


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Morning all

I have a HP/Compaq D220 MT computer that is giving an 8 beep code over and over at startup. I have no video no nothing on screen. When i remove the memory it gives the correct memory beep error (3) i have removed all periferals and removed power and data cables from all devices except the MB. HP is SLOOOOOOW at trying to get Tech Support and their "live help" is kinda useless if your not using the computer that has the problem ( if i can use the computer that has the problem then why do i need LIVE HELP LOL) Any Help would be greatly appreciated.

Zones Inc.
Returns Tech

A:HP/Compaq Post Beep Code

I believe it is a video card problem. Try reseating the video card or try a new one.

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I see many people with many types of computers have a similar problem
Thier system powers up with no beeps, no keyboard, no post no usb or no video

The new power packs 350w 450w 500w coming from China have a tiny slide switch Red or Black on the face plate below the power cord.
It is set to 230V by default , which creates the above problems
By swtiching it to 115V everything should boot normal

I have never seen anyone supply this answer on forums.

It answers many of people who encounter this today


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I tried to add a 256MB PC2100 DIMM to an eMachine T1842 - and on power up, I instantly get a POST-audio-only response of beep sequence 1-3-3-1 ..... what's it trying to tell me ? (My old manuals don't have that beep sequence!) Thanks. Bob.

A:POST audio beep sequence 1-3-3-1 ?

Judging by Phenix Bios, it seems to be a memory problem..

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Any help appreciated

I have made no changes to the PC but it will not get to windows load up.

POST tone sounds like 1 long then silence though possibly 2 short to follow which would suggest a graphics card problem.

I have changed the graphics card for a working one in another pc and it also does not work in this pc.
I have tried my card in the other pc and it works fine
I have used another pci-e slot with the same results
I have tested the monitor with another pc and it is fine
I have removed all peripherals
I have removed RAM stick by stick and also in pairs
I have checked all internal wiring

I am a bit stuck now and suspect a motherboard problem

Help appreciated

A:PC won't pass POST - one long beep

What BIOS does your motherboard use?

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My sons Computer did no boot up from one day to another.......so he says! So I thought that should be a easy one to solve. Nothing further from the truth. I can not get this thing to post anything at all. So you guys....it is up to you......

Here are the Specs and the things I did already

AMD Athlon slot A 800 Mhz not overclocked
Microstar MS 6195 Board
Ram 2X 128MB 1X 256 MB
ATI 128MB Videocard
Western Digital 40GB IDE Harddrive
CD Rom/Write

1 took out the Ram and reset. I powered up one Ram at the time.......nothing

2 CPU is warming up (not hot though)

3 CPU fan is running

4 Unpledged all drives and all cards except Video....nothing

5 replaced CMOS Battery........nothing

6 reset CMOS by removing battery for 15 min with power unpledged.....nothing

7 swaped videocard with 2 other ones...................nothing

8 bridged powerpins on MOBO without CPU present in case bios is hung up.....nada
The thing powers up fans are running, HDD spin up with a few clicking noises in the beginning. CPU is warm. Videocard gets pretty hot. I get no beeps and no Video signal at all.
I dont think there is a onboard speaker, so the no beep is most likely related to that.

I have a suspicion what it could be but I want to see where you guys lead me and see if it is the same what I think.
thank you very much

A:Athlon Slot A no post no beep

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OK all,

Here's the low down...

3 days ago, I was surfing the net (without anit-virus software,oops) and my screen kinda shuttered...like lines went through it then black, completely black. So I hit reset...I could see the post menu, with no faults...windows would boot...I click on my profile my desk top comes up...once stable I would preform some programs I use in my photo business and bammm...black screen....PCs still running, I could use the windows shortcut button on my keyboard, but can't see anything...I don't get a video signal error or anything, the monitor is still on...just black. I took the computer to a tech shop they off loaded or caputured some mal-ware and spyware and a virus...so I paid the fee and now after a few hours of working right....it's stopped working again. I've had it...what can I do if I can't see how to do anything? Please help!


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Hey guys,

I have been reading these forums a lot without a proper account, solving various problems. However, with this problem i decided it would be better to ask for some hints towards the possible cause of this.

My system in its current configuration has been working well for over 2 years. Last night, when I shut it down something weird happened: the monitor turned off (entered idle/stand by mode) before the system actually turned off (that's the normal point when the monitor should enter stand by too).
Also, I left it around 5min but it remained in this state, not shutting down. I decided to turn it off manually, believing that it was not much of a problem.
This morning however, when I started it I got no post beep and no video signal. All the components seem to be working normally though(the green led is on, the hard drive led also flashes, cpu & psu fans are ok...). What could be the cause for this?

I tried cleaning and swapping the ram memories and it still doesn't work. If I restart after booting it, still no luck.

Any ideas?

my rough specs:

AMD Athlon 64 4000+ at 2.4 GHZ
4x512MB DDR2
Nvidia GForce 7300 GT
ASUS M2N motherboard

A:no video signal/post beep

Have you got an onboard graphics output you can use, if so try it and remove the graphics card. If not see if you can borrow another graphics card to try.

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I get about 5 to 10 seconds of "on" time. My CPU fan and case fans start turning. Sounds like it's booting up, but then I get no beep, no post, and then the PC just shuts off. Then it attempts to start up again, and the same thing happens.

I've disconnected literally everything with the exception of swapping out my CPU or my motherboard. I'm hoping that neither of those are the issue. Both are about 2 yrs old. Here is a picture of how I've tried to boot in narrowing down the issue:

My PSU is a Corsair TX850, and it's brand new. I did however try another PSU that is functional, and the same thing happened. I've tried swapping RAM modules. Stock fan is in the picture in replace of the Corsair H80 I recently installed. I've tried to boot using my SSD, and my HDD. I can't boot to disk, either.

I installed these new parts, and had my PC built and assembled and working. I booted, installed Windows, played around a bit. Then powered down, moved the PC around on my desk, and now I can't boot back up.

Any help or suggestions would be appreciated. Thanks.

A:PC Won't Boot - Won't Beep or Post, But Does Turn On


Can you see any noticeable damage to the board itself or the USB ports on the board that may be shorting the board out ? any blown capacitors etc?

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Hoping someone here has an answer to an intermittent issue. Specs are listed in sig. First off when I got this system a year ago I was running some generic pc3200 ram at 2.5-3-3-8 with 2.6v at 440mhz(system overclock of 200 mhz). Ran prime95 stable just fine. Decided to get some good ram that was known to overclock well because I had intended on upgrading the mobo and cpu but due to financial probs that fell through. So with the new ram 2x512mb double sided mushkin black l2 v2 I find that I can't hit the 440mhz stable anymore(I attribute this to the fact that i'm running a 'CO' stepping 754) so i'm fine with that and finally achieve stability at 430mhz with ram voltage at 2.8v and timings at 2-2-2-10. System runs prime95 for 6+ hours without error. But when the system is shut down for some period of time and I try to power it up I get the repeating High/Low beep. I shut off the power switch on the PSU(won't shut off otherwise) and power it back on it boots fine while still overclocked. This problem does not occur all the time either. It seems like every 5th power up after shut down. At stock speeds the system runs fine and powers up normally every time. I have tried :1. New PSU 2. Increasing LDT, Northbridge voltage 3. memtest checks out fine as well as prime95. 4. Clean install of windows and flashed bios. 5. Different slot configurations for memory, timings, volts. etc.

Keep in mind I never over volted the CPU when overclocking. I knew I woul... Read more

A:Intermittent High/Low beep on post

Let me get this straight, your system works fine at standard speeds, but not when overclocked? Do you really need me to tell you how to fix this?

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Hi, I was running a fine working computer and then this afternoon I attempted to install a 300GB SATA drive in it. I tried to reboot and there was nothing, no video, no beep, no post no nothing.
The power light on the mobo is on (P800SE) the CPU fan is working (P4 3.0) the drives sound like they're spinning, the CD-RW and DVD-RW drive light up and the video card (Radeon 9200) has lights flashing too.
So it seems that there is power, but like the topic says, no post screen, no beep, and nothing else.

I really would appreciate any help. I tried resetting the cmos, reinstalled the cmos battery, uninstalled the video card and tried rebooting after each step. The ram is seated right also. (2 X 512)

If anyone could help me find a solution to this it would be great. I don't know if it's the mobo or not, or how to test for it. Someone mentioned that I should reset the cpu but I don't know why that would make a difference at this point.

A:Serious Problem. No Boot/Beep/ Post

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WHen a HP vectra VL posts up and beeps
three times
three times

what does this mean??

The closest thing I can find is, since I dont know the BIOS
Base or Extended Memory failure

It seems that it has something to do with the first 64k of memory

Either way it is something about memory
What do I do???


A:Post Beep Codes for HP vectra Vl

I have since reseeded the memory
But the PC just freezes inboot up
I cant even get to safe mode

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The computer was built from scratch, specs are as follows...

VIA mainboard
P4 1.8 Ghz
120 GB 7200rpm IBM HD
1x 512 pc2100 DDR Ram
52x Sony CD-ROM
32x10x40x Sony CD-RW
GeForce 4 MX 440 64mb
1.44" Floppy Drive

mice, keyboard, etc...

crammed into a case with a P4 power supply... i think it's 350 watts.

It was built for a friend who's going off to college in a few weeks. It worked fine, got the operating system installed (Win2k) and all the software (word processor, etc). Loaded some pictures, set the settings to the person's preference and installed all drivers for everything. Then into a box it went, ready to go.

That was 3 weeks ago.

Hooked it up to let friend know where I had put some files and how to use the burner... a quick tutorial of the new system. The thing is, it won't start.

When powering on, all the lights come on on the case, on the CD drives, and you can hear the hard drive powering on too, all fans spinning and operational. The floppy however, does not beep or light up. The annoying part is the motherboard beeps for a really long time, pauses, and repeats. The monitor never recieves a signal, so it remains in standby. I tried a different floppy and reconnected it, same thing. Long beeeeeep... no POST beep. Everything else lights up / powers up though.

It was working fine and dandy before... superly fast too. Need help! Can't seem to get it up again

Much appreciated, thanks!

A:no POST beep or monitor signal

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