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Power supply requirement for ECS KM400-M2 motherboard: 350kw or 400 kw?

Q: Power supply requirement for ECS KM400-M2 motherboard: 350kw or 400 kw?

I am upgrading my pc using my old ATX case with a new motherboard which is ECS KM400-M2. The cpu is AMD XP 2800+. The pc would work for a few minutes or seconds and then just shutdown by itself.

The day before yesterday, I posted this question in this forum and an expert had provided with some suggestions on this problem: It seems that something wrong with the power supply and the cpu temperature. I definitely appreciated that.

Before I throw more money onto this computer (I really don't like to do so), could somebody help me on this issues:

1. Do I need a more powerful power switch? Right now, I have a 350kw power supply and someone suggest me to buy a 400kw one.

2. I actually bought and installed a new case fan. I connect the pins to the motherboard. However, when the pc is starting, from the BIOS, I couldn't see its speed and the temperature. Is that a problem? What's wrong and Why?

Please help!

Thanks very much in advanced!

Preferred Solution: Power supply requirement for ECS KM400-M2 motherboard: 350kw or 400 kw?

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A: Power supply requirement for ECS KM400-M2 motherboard: 350kw or 400 kw?

Kilowatt? Thats a PSU with balls! 400-500 watt should be fine. Has anyone told NASA? All this time they've tried to spend millions on glorified supplys fort they're system,s and all they had to do was throw a few hundred bucks towards the lovely people at whoever makes those PSU's

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Is 450W power supply sufficient for the following ?
Intel Dragontail Peak DP35DPM motherboard
Intel Core 2 Duo E6750 2.66 Mhz
Samsung 2GB DDR2
WD 320GB/7200/16MB SATA II
Nvidia 8400GS 256MB
Vista Home Premium 32
( Samsung 226BW Monitor )
Does the addition of extra fans affect this at all , or is this negligible ?

A:Power Supply Requirement

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Hi,this is for a friend who is interested in buying an AMD A6-3650. The power for the processor is listed as 100w.I want to know what will be the minimum power requirement without any GPU attached.It will be of great help since we wanna cut cost to the most affordable one.

A:AMD A6-3650 power supply requirement

In a standard setup with no-GPU one or two HDDs, one or two ODDs a 300w should be sufficient however I would be hesitant to build any system with less than a 400w and preferably a 500w just because there isn't that much of a price difference and it gives you room for future upgradeability.

For budget PSUs I usually recommend these:
Antec VP-450 = $40 (This is a true budget / low end unit, It is decent for the money but I would recommend the others I listed over it. unless you have a really tight budget)
Antec NEO ECO 400C = $45
Antec NEO ECO 520C = $50
Antec EarthWatts Green EA-430D = $55
FSP Group SAGA+ 500R = $57 (this is good but it is an older model so it doesn't have very many SATA power connectors)
Antec BP550 Plus =$65 (modular if that is important to you)

Almost all of the newer Antecs are made by Delta or Seasonic so they are very good PSUs. Some people recommend the Corsair Builder series in this price range, however the builder series is made by Channel Well Technologies (CWT) which has a less than stellar record and I still don't really trust.

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I have following configuration
Intel DG 965 RY Board
Intel Dual Core 3.2 GHZ processor
Nvidea Quadro FX 580 Graphic card
3 SATA HDD (500 + 500 + 300)
1 SATA DVD Drive
RAM 4 GB (4 chip 1 GB each)
Power supply iBall LPE223-400
I am experiencing frequent automatic restart of the system and sometimes my hard drives got vanished from My Computer.

Can somebody tell me that my SMPS (power Supply) is enough for this configuration?
if not then What is minimum required?

A:SMPS (power supply) requirement for my computer

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I just came in to the desktop group about 6 months ago, and a few things we do are a little odd (to me). For instance, we order GeForce 9800 cards for AutoCAD users.

But any way, we always ordered these 9800s with a computer that had a power supply that put out lesser wattage than required. So my question is, for the 9800/GTX 260 (nvidia), will it give a message that the wattage is too low or that it is going to start performing less, or can it cause issues without ever giving such messages?

Can it potentially cause issues with other pieces of hardware?

A:Video card power supply requirement (GTX 260, GeForce 9800)

You won't get a warning message.

Most often what happens is a freeze/crash or a restart.

If you haven't experienced any crashes, then the video card is not being stressed very hard. Normally these crashes occur as soon as you put load on to the card, but if this isn't happening, then a 9800 card is total overkill for your application.

You could probably get by with a 9400 or 9500 for these purposes. Technically, a Quadro from nVidia is really their workstation card, but they are all based off the same chips.

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Hi all :
I bought a new motherboard today . Its a ECS km400-m2/amd xp2800 cpu.
I need to know how i can use my exsisting hard drive 120 gig without formatting. Im running xp corporate edition on a amd K6-II 500 mhrz/GA-5AX motherboard. If any 1 can help I would appreciate it. thnx

A:I bought a new motherboard ECS km400-m2 /amd xp2800 cpu

while you really should format the drive and perform a clean install, you can install the drive into your new system, boot from the XP CD and choose "repair", this will re-write the OS (with the required files for your new hardware) over the existing installation. That process doesn't always work, but it is your only option if you insist on swapping the drive without formatting

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Hi - I installed a new motherboard (gone are all my errors BTW per my last msg.) and XP is not recognizing onboard audio it is on in CMOS. I need to verify if I need to physically make any changes other than to hook up the CDROM/DVD to Aux-In. Also the same with XP and video, no driver. Thanks in advance for any help.

A:Audio & Video Help Needed for New Motherboard (ECS KM400)

Download and install the VGA and sound driver from this website:

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I have a Sony VGC-RB42G computer. I recently moved my computer, cleaned off all the dust, and when I plugged everything back in, it won't power up. The light on the power supply blinks green, inside the motherboard also has a green light that blinks as well. It has a ticking sound too, but I am not sure if it is coming from the power supply or the motherboard. Any idea what could be wrong.

FYI, I have already unplugged everything from the power supply, pulled out the ram, checked the battery, and put everything back together and still no change. One thing I thought was strange was after I unplugged everything, I pulled the power into the power supply again and this time the green light came on but did not blink. It stayed solid.


A:No Power, Blinking green light on power supply and motherboard

Sounds like a Power Supply problem.

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It's been a while since I built a system from scratch and have a... errr... simple question

gfx: Sapphire HD3850 512MB Ultimate (passive)

MB: MSI P35 Neo2 FIR

PSU: Seasonic M12II 500W

The motherboard has a power connector for the graphic card next to the slot.

Is there any reason I should connect the power for the card to the power connector on the board instead of directly to the power supply?

A:Graphic card power to power supply or connector on motherboard?

First time I have ever seen that feature. I like it. I'm thinking that is a neat/easy way to partially eliminate cable clutter from the PSU. Give it a shot, you can always revert to PSU cable if you wish.

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Hi, I just bought an HP pavilion e9300 a few week ago. And I am going to upgrade the power supply so that I can get a new graphic card--ATI 4870 which requires at least 500 watt power supply. My current computer is shipped with a 350 watt power supply. I will probably get a 650 watt considering the 70% effeciency of power supply.
However, when I talked to an HP technician, he insisted that I could go for a power supply with no more 450 watt. Because the system I just got has a motherboard which has a max power limit 450 watt. He said if I go beyond that, the motherboard will burn out.
So what shall I do? I really want to get ATI 4870 work well on my computer.
Thx very much.

A:Does power supply with higher power rating really burn motherboard?

The long answer is "No".
Just be sure of the dimensions of the power supply before you order a replacement, as HP uses some pretty strange sizes sometimes, and you want the new one to fit with room to spare.

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Hi, I'm on a mission to patch together some kid's emachines T2682 P4 pc. I'm pretty sure the motherboard is toast, I managed to get it running once, began a defrag, then the screen went to "no signal" (I could hear it was still running) and on reboot, no beeps, no post, no signal. The fans run, so I think the power supply is ok. I removed the ram, still no beeps, no video signal. I'm set to order another board, but I read where in most cases the power supply is what causes the mboard failure. Should I get a power supply and try that first? Is there a way to just check the ps?

A:Power supply or Motherboard?????

I would replace the power supply at the same time as the mother board. I had a faulty supply that seemed to work, on an Emachine that was under warranty. It blew the motherboard and keyboard and a wirless adapter that was pluged into the usb port at the time. they replaced all the parts but the wireless adapter because that was my own part. They put in a used power supply and just after the warranty it went out again an took the motherboard with it again. I took out the harddrive and threw the rest in the garbage. No more emachines for me. It was cheap and used as a second computer for the grandkids so no loss.

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Case #1:

Heres the thing, I went to a friends house (wolvman on here) and was getting it set up. He told me that because I needed a hard drive still, and that neither of the raptors he gave me worked, he had a 160 gig IDE drive. I plug it up, having to unplug the side fan, because all of the power supplies I have are limited to 6 ( I think ) legacy connections.

I start the computer up, nothings wrong, but its lagging a little due to the system (XP home) getting drivers, etc. for the hard drive. It comes up and says its working, so I check it, and it was. It had a previous installation of XP on it, so I see everything. We then decided to play CS:S, and about 10 minutes into it (it was running fine and dandy) it just shuts off. First I think that the GPU went out, because I didn't notice the computer went off, just that the monitor said "No signal", but it went completely off.

I proceed to try to turn it back on, and it does NOTHING. I pulled the side of the case, and checked how hot it was. The Power Supply was pretty freaking hot, along with the GPU, CPU, and HDD's. This is where I get scared. First, I think it just overheated and shut down, but then I realise that that's usually a BSOD, correct? Would the HDD's usually get that hot? Its a simple Maxtor 160gig, I believe its 7200 RPM.

No point in making 2 threads. X_D

Case #2:

I got a motherboard from him after this, us deciding that I needed to upgrade anyway.... Read more

A:Either Power Supply Or Motherboard went out

Maxtors fail way too frequently. Next choice is the power supply. Watch from the back with a strong light when the <ON> button is pressed. Does the fan blade turn four revolutions or less. That is a bad power supply.
There is no relationship, really, between heat and a BSOD. It can just as easily shut down as give you a BSOD.
I'm betting it is power supply, memory module, or Maxtor failure.

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OK, I'll try to get it right.......

I have an Intel 2.6 Ghz Duo Core on an ASUS Motherboard, 2 Gig RAM and all about six years old running Windows 7 Pro.

When I do a cold bootup from the power OFF condition, the PC freezes at the BIOS message and will sit there forever .....................

If instead I press DELETE on bootup, it will boot right through to the BIOS settings page (blue/white screen) whereupon, I do the ESC and EXIT bit, get presented with "Start Windows Normally" and all is then OK.

If I do a reboot using the reset push button, it will only proceed to the BIOS part where the HARD DISC is checked and again will sit there for ever...........................

Now, to confuse it further, if I turn the PC OFF and ON using the front deck push button, it will do a normal reboot right through to starting Windows correctly.

Whilst the PC runs reasonably well thereafter, it is quite common for it to do a complete and total shutdown for no reason whatsoever or the keyboard or mouse to suddenly stop working.

On the back of the deck is yet another ON/OFF switch and using this to reboot the PC results in a normal bootup.

So something stinks using the RESET Pb on the front of the deck or a normal cold bootup.

I replaced the Motherboard battery, pushed and pulled all the wires - as you do - all to no avail.

It is far from a happy PC and I suspect either the power pack is playing up or the Motherboard is on the way out.

It is quite common to be tapping... Read more

A:Power supply? Motherboard? OS? .... or what?

Sure. Start by going into the bios and checking your temps and voltages; specifically the cpu temp, system temp, 12V, 5V, and 3.3V values. Post those here.

Next download and run memtest This runs from bootable media ie CD, floppy, etc. You need to make the bootable disk and restart with the disk in the drive [CD set as first boot device in the bios]

Test the hard drive with the drive maker's diagnostic. You download this from whomever made the drive ie WD, Seagate, etc. Most of the time you have a choice between a windows version and a dos or boot version; get the boot version. Again it runs from bootable media.

One other thought; have you cleaned the system at all? If not, open the case and give it a good cleaning with a can of air [available at any office store, computer store, even walmart]

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My computer recently had a failed fan in the power supply unit. I took the machine to an official computer tech company and they replaced it. I brought the machine home, used it once. I turned off the machine, unplugged it to use outlet for another computer.

I then replugged in the machine with the new power supply and nothing happened when i turned on the machine. Nothing, nada, zilch. No noise, no video, no nada. I see a green light on the chip board inside the unit so i know its receiving power, but no Action.

Is this my motherboard now, and maybe my processor. The tech's say that i need a new motherboard and processor. But i dont trust them anymore after my replaced power supply and now dead computer.

Any suggestions on the logic of what's happening with my machine? PLEASE HELP. I'm an end-user, not a tech...so I just need this all to make sense.

Thank you!

A:Power Supply or Motherboard?

Hello there and welcome to Techspot!

I feel your pain. We've all been there. Not that sympathy makes things any better, but you have mine.

It is hard for us to tell what is wrong with your system without looking at it of course. But maybe we can help you confirm a few things.

You say you can see the green LED light is lit up on your motherboard. That's a good thing. When you push the power button, no fans are spinning at all? Not a good thing.

It could be any number of things, and the tests that need to be done involve removing parts to help troubleshoot. Do you feel comfortable doing these types of things?

Try unplugging and reconnect your power supply connections to the motherboard.

I would also test your computer case's power-on button. This is done by disconnecting the small 2pin cable from your case that goes to your motherboard, then using a screwdriver to quickly touch the two pins that that cable was connecting to. This will short the pins, and hopefully start your computer. If it does, then your power switch on your case needs replacing.

Other than that, I would try this test to see if you can get the power supply fans spinning: http://modtown.co.uk/mt/article2.php?id=psumod

If the fans on the PSU don't spin, then you have (another) dead power supply.

If the fans on the PSU do spin, then we have narrowed you down to either a dead motherboard or a dead CPU (probably motherboard)

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Hi! I have a computer (or maybe had) with an Asus M2v-MX SE motherboard with a dual core AMD processor, running XP Pro SP3. Over the last few months. maybe once every week or 2 weeks, it would freeze after booting into the OS. Mouse would freeze and couldn't crl-alt-delete to task manager. I had to unplug it, then reboot and it would be fine. The other day, as it booted the boot message screen came up in different colors within words, then everything had a green hue. The green hue continued after the OS came up. I was just checking mail before I went to work. When I came home, I turned on the computer---and nada. It didn't do anything, and a message appeared on the monitor---no signal. Not even the bios came up. I use the onboard video, so with the green hue I figured Motherboard. But since it sent no signal, now I'm thinking power supply. How can I determine the cause of the problem? I know I can't find a replacement motherboard---it's 7 years old. A month ago, I put in Crucial CT2KIT25664AA667 4gb, but I don't know how this would cause this problem as it hasn't froze since I installed the ram. Any and all responses will be greatly appreciated. Thanks

A:Motherboard or Power Supply

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Hey fellas. My mother in law had a power outage quite some time ago. When it happened her pc would not turn back on. Is there any way to check to see if the motherboard is still good? I would like to get it working as a secondary computer. Also, how can I tell what kind of power supply is required for that motherboard? Because I have tried a couple power supplies, and one was from a OLD 166mhz pc, while ther other was from a 866mhz, but it seems like the ends or where it plugs into the motherboard are different in shape. Any suggestions? This is a HP 900mhz pc, it would be nice for web browsing and other task. Thanks for any help!

A:Motherboard/Power Supply ?

Post the make/model of the motherboard and we can probably find a manual for it.

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I am working on my aunts PC (HP slimline), again! This time it will not turn on, seems relatively easy problem. I press a power button and exactly nothing happens, not even PSU fan spins. I do not have a tester for FLEX PSU (they have that tiny 24pins and not regular size ones), but I take it out and cross the green wire (PSU on) with black ground wire and the PSU turns on, hmmm. So I independently test out each voltage on all wires and they all come out with proper voltages.

I put the PSU back in and I test out the power button and its wires, and they are fine. I even crossed the pins on the motherboard to get it to turn on and nothing.

The thing I can not get my head around it that in every motherboard failure I was a witness to, I was at least getting some PSU response (fan spinning). That is why at first I thought it was PSU for sure, but I do not have spare FLEX ATX PSU as they are not common at all.

Would I be wrong to assume that motherboard went south? The way I see it, ifI get a new motherboard (for a lot less than new FLEX PSU) with standard power supply plug I can just put the PC into normal chassis (I have spares) and use one on my many spare ATX PSU's and eliminate both possible sources of error weather it is a motherboard or FLEX PSU.

Thoughts? Thanks...

A:Is it the motherboard or power supply?

Assuming the fuse in the power cord is fine, I would suspect the PSU to be at fault.

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I have a s446 motherboard. It came with a 350 watt power supply in the kit I purchased. I would like to buy a bigger case and the one I like comes with a 450 watt power supply. I looked at my manual and searched on the internet but I can't determine if it is safe to hook my motherboard up to a 450 watt power supply. If anyone could help I would really appreciate it. Thanks.

A:Motherboard Power Supply

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Hello, I need your advice please.

I have a system based on a Epox 8KHA+ with the latest BIOS. 512MB RAM, AMD XP2000+ not overclocked, running at 56 degC., Windows XP fully updated.

The problem is the system keeps turning itself off. After about an hour of running, it suddenly dies as if the power plug had been removed. If I try to restart using the power switch nothing happens. If I then unplug the power lead and replace it, it then starts up OK.

Any ideas please?

Many thanks


A:Power supply or motherboard?

Hello and welcome to Techspot.

Sounds like some kind of overheating problem. The psu is a major suspect.

Try another psu and see how it goes. I don`t think it`s your mobo.

Regards Howard :wave: :wave:

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I was looking through motherboards and noticed that this one has an 8-PIN power connector.

I went and looked through PSUs and found that most are only 4-PIN, like this one.

What am I missing? How do you connect a 4-PIN PSU to an 8-PIN board?


A:8-PIN Motherboard and a 4-PIN Power Supply

A lot of the newer PSUs have two 4 pin connectors to use for the 8 pin connection. Also I have seen some 4pin to 8 pin adapters on NewEgg and eBay.

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OK here is the chain of events....

Turn off computer at 3:08
Had pizza
Power Up computer at 3:20

While I'm walking away I think I hear a rather remarkably loud beep, or maybe two beeps. Either way when I come back to my computer it's powered on however, the monitor shows "No SIGNAL"
I go through the standard, try the monitor on another computer, check the cables etc.
After a few more tweaks I power the computer up. Still no signal. Another power up later I notice there is no POST beep.
I check everything and try again. No post. I reset CMOS, no post. I notice at this moment that the VIA chip fan isn't spinning.
I unplug all peripherials and try again no POST the computer comes on for a brief second then everything stops, the PSU fans, computer fans everything.
Now that's all I get it's like the car starts but doesn't turn over.

I'm assuming this is either a powersupply problem or a mother board problem. How do I narrow it down? My MAJOR concern is I have 2 segate drives RAID ed (the one for speed, 1 I think) if I get a new mother board I need to keep this info is that possible? So I guess in order of priority here are my questions...

1)How do I get my data off my Raid drives?
2)Is this a PSU issue? Or a Motherboard issue?

Sorry about the meandering nature of the post but it's 5 am and I'm really out of sorts worrying about this. Thanks in advance.


ABIT KR7-133R, AMD AThlon XP 1800, (3) 256 strips, (2) 40GB segate barr... Read more

A:Power supply or Motherboard?

Check to see if the CPU was installed correctly and have not come "loose". Also check the pin that powers the CPU fan and see if it is seated securely.

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hi, i'm new to this site so please help me with my computer!
i'm sorry if this is in the wrong place to post this fourm

anyways, lately I have been having troubles having my computer bootup and have a startup screen or windows pop up, but it doesn't. I sometimes have to boot it 1 out of 10 times for it to work, and eventually it does. One day it froze, so I held the power button to turn it off, Now it doesnt have a post screen. SO now, the power is on, fans running, videocard fan running, but nothing on display. I'm not too sure if its the power supply, even though its 450watt because it lasted me 4-5 years plus all my fans are running. I posted help and people said it is my power supply due to because it doesn't give enough power to my 8800!

I'm assuming its the motherboard because i heard no beep when I turn on my computer, also I've tried taking my ram out and turning it on and there is no continuous beep i am suppose to hear. I change my ram around, i took out my processer to check, my monitor should be fine. When I turn it on, the only sound i hear from it is my discdrive , and also my cpu fan is the last fan that spins after awhile. I took out my videocard, and cleaned it and put it back, i did that to my sound card and my network card too. so please help me out! =( i don't wanna go buy a new computer!

my specs:
2x2gb DDR SD Crucial Ballistix 1066Mhz
Nvidia Geforce 8800
Gigabyte S-series GA-P35-DS3L Motherboard
450watt Corsair ... Read more

A:Do I need a new motherboard or power supply?

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I am building c computer and have aUniversal Pentium 3 motherboard DFI CA64-TN with a Intel Celeron 1.3 ghz processor. I can't get anything to power up. When I power it up the light on the motherboard lights up but nothing else powers up. The fan in the power supply does not spin.

Can someone help me please...I am at a lose as to what the problem is.

A:Motherboard...power supply what could it be

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My pc won't properly boot up (i.e. all the fans turn, but there's no video input), so I have troubleshooted all parts. Eventually I put my PSU in another computer, to find that that one didn't boot at all. I concluded the PSU had to be broken.

As a last test I used a multimeter to manually test the voltages of the 24-pin connector and found that they were all next-to perfect.

Does that indicate that the PSU is healthy, and my motherboard must be dead?


A:Power supply or motherboard?

Marty9231 said:

Does that indicate that the PSU is healthy, and my motherboard must be dead?Click to expand...

No. It just means that under essentially no load the PSU is delivering the proper voltages. The voltages supplied under load may dip well below what they are supposed to be.

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I was replacing a fan in my case because it made a high pitched sound. I took it out to test it to make sure there wasnt too much pressure from the screws inside the case that were causing this noise. I unplugged one of the molex connectors from my gfx card to test it. It still made the sound so i plugged the molex back into the 2 molex to 6 pin connector and the computer shut off immediatly. Now when i hold down or just push the on button my led flashes and fans spin and stop repeatedly. Any Help would be just the best thing right now.

~Thank you


A:Motherboard or Power supply

NEVER unplug or plug in anything except maybe case fans inside a computer with it powered up! Pull out the video card and see if the computer powers on. If it powers on you have fried the video card. If the computer still doesn't power on, the power supply should be changed before you suspect the motherboard

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I have a P6vem3 mainboard and everything seems to work but the monitor will not come out of standby.
I get a post code of E9 and I have seen EE pc analyzer. I put in another vga card, but
the same thing happens when the computer starts. It gives a single continuous beep.
Should I replace the power supply, I'm not sure what to replace it with. Or should I just buy another motherboard?
Please help,
Thank you

A:motherboard vs power supply

It sounds like a issue with the memory. If you have the mainboard manual see what a long continuous beep means. more then likely its bad memory so try to buy new RAM if that dont work buy a new mainboard

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My computer was working great.  I went out of town for a week and upon my return, it would not turn on.  The green light on the power supply was lit but that was as far as it went.  I purchased a mobo but this did not fix the problem.  I am not real computer literate but have experience.  Does this mean that the power supply is gone since no power seems to go beyond the light?  If not, can you tell me what to try?

A:Motherboard or Power Supply?

You can test the power supply (PSU) with these instructions.

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I have a gaming rig with the following stats:

500W Power Supply
9500 AMD Q4 Chip
Don't recall what motherboard I put in there, but it was functioning
Nvidia GTX 260 Video Card
1x 1TB HDD
1x 400GB HDD

In any case, there was a decently big power issue recently, and although the computer was hooked to a power strip, I'm pretty sure there was damage done as the computer will not turn on now; I can press the power button but the computer will not respond, and I went in and double checked the connections to make sure all was in working order (it was). It was in perfect working order previously, with all cables and equipment functioning, and the BIOS and everything was up to date. My issue is that I have no idea what got shot, the motherboard itself, or the power supply. Any suggestions?

A:Power Supply/Motherboard Issue?

Can you borrow a power supply and hook it up?

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I am in a build state with a Asus F1A75-V MB and a Hercules 600wPS. My misfortune is that nothing is simple. The board has a 8 pin EATX12 socket and my PS has a 4-pin & 6 pin 12 connectors. Is there a simple solution, or do I have to change PS?

A:Motherboard-power supply mismatch

You can use a 4 to 8 pin EPS power adapter to connect the cpu power.
Something like this........
I use one in one of my computers.
Hercules aren't top of the line power supplies,so make sure
it can handle the load the computer will put on it.

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I currently have a dell E310 dimension w/ a 230 w power supply
i want to upgrade to a ATI Readon 9250 PCI video card which requires more power
I have a Thermaltake Purepower 420w power supply which has a 20 pin connector--the motherboard has a 24 pin socket. there is also a 4 pin plug from the power supply . will the computer work with the 20 pin connector or do i need all 24 connections? --is the 4 pin connector supposed to make up for the extra connections?

A:20 pin power supply to dell 24 pin motherboard

Should work fine with the 20 pin, but there is another spot on your board for the other 4pin

the power supply should have 2 cables, the 20pin(or 24pin) and another cable with 4pin, both of those go in differnet spots,

and from what i know it shouldnt be a problem with the 20pin going in the 24pin.

Wait for more people to reply i might be wrong

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Hey guys,

My motherboard has recently blown and I've had to replace it. My only issue is that it has a different internal power source to my former motherboard and I'm not sure if I can utilise my old power supply with it. I've included pictures of the motherboard connection (the blue one) and the power supply connection. Power supply connection is for a larger connection but it works perfectly with the motherboard, except it is inserted into 4 slots rather than 8.

Is this safe? It seems to be working fine.


A:Power Supply/Motherboard Compatibility

Yes it's safe, good explanation here :- http://www.jonnyguru.com/modules.php?name=NDFAQs&op=FAQ_Question&ndfaq_id=18

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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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Alright, well I'm looking at purchasing this motherboard here:


If you'll look at a couple of the reviews, they mention this:

I neglected to get a 20+4 pin power supply for I dont know what reason, but once I had that everything worked. If you have a GPU which 256MB dedicated RAM or above it is reccomended that you get at least 14 amps on the 12 volt rail.Click to expand...

I have a 256MB GPU. My question is, what does that guy mean by the 14 amps/12 volts/20+4 pin power supply, and what do I need to get one? The case I'm looking at buying is this:

http://www.chiefvalue.com/app/productdetails.asp?submit=&item=11-145-049&ATT=Cases Computer Cases

Does that include enough power, or should I be looking at another power supply in addition? Thanks in advance for the help.

A:Motherboard Power Supply Question

I'd recommend taking out the power supply that comes with that case and getting yourself a reliable one. Powmax are not really PSU makers, they are case makers (who include PSUs with their cases). In other words their PSUs are made with very cheap parts. You do not want a cheap psu. Read through this forum and you will see many people with really hard to diagnose problems that most of the time are the result of going cheap on the PSU.

To answer your questions briefly:

PSUs put out different types of power, as different parts on you computer like different flavors of power. There is 12v power for some parts, 5v power for others and 3.3v for the rest. A cheap PSU is not very good at making these different types of power, specifically the 12 type. A good PSU should be putting out at least 24amps as a minimum.

And the other question, your motherboard uses a 20pin connection from the PSU. Most new PSUs are a 24pin connection, but a lot of them have adapters that come with them, or better yet, the 24pin connector actually allows you to "snap" off 4 of the pins to change it to a 20pin connector.

I'd recommend getting a PSU from a company like enermax, fortron or Antec. Have a look at this thread for some great info:

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since my build keeps changing from day to day, i keep needing new advice and opinions on what to do with it. it changes partially due to my proposed budget, and partially because i find that i want to plan more for the future and include certain features.

my biggest concerns are as i suggested in my title.

my concern with my motherboard is that it's from asus.

it was selected because of it's price and the features it offers. i need 2 ide/pata ports, a few SATA ports, at least 1 pci-e 16x, at least 1 pci, at least 4x 240pin pc2 6400 memory slots, and an LGA 775 slot.

but since this one is from ASUS and has lots of complaints, and ASUS is going downhill, i'm hesitant to buy this board. i'm not exactly going to have an awful lot of money to throw around for RMAing parts. i'd like something that's high quality, offers what i want, and doesn't go very much higher than 125 dollars.

i tried looking into a gigabyte board, but i can't find one that has 2 ide/pata slots for a good price, or that doesn't have so many problems.

the other concern is whether or not the psu i selected will power the system well enough. i've selected the Corsair CMPSU-450VX.

my concern is the amperages offered on the 12v rail. i'm not sure if it has enough, let alone how to calculate whether it has enough.

here are the... Read more

A:Motherboard and power supply concerns

*bump* come on people. advice please?

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How can I tell if my power suppy is dead or the motherboard is dead. When I press the power button, nothing happens.

Computer is out of warranty and is a DELL 4600

Please help

A:Dead power supply or motherboard???

You'll need to get your hands on a powersupply and swap it into the DELL to see if thats the problem.

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Is it possible to have a motherboard corrupt a power supply?

I have a computer that quite working and I suspected the power supply. I installed a working power supply but that did not help. When I checked the voltage levels on the power supply, the 12 volt pins were only at 11 volts.

Did my motherboard wreck my ATX power supply?

Any help would be appreciated

A:Motherboard corrupting power supply

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I have a HP 8000 elite cmt I know the elite series is a special setup I'm wondering if I can use the case to build a custom mid range gaming pc by replacing the Mobo to a ATX style and changing power supply I can modify the case to fit any power supply if needed I just need to know if I can put a ATX style Mobo in it

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or the video card? The CPU i want to buy has 35W, do i have to look up if my motherboard or power supply or video card supports that?

A:Does the CPU's W have to match the power supply or the motherboard?

When looking at a new CPU's compatibility to a system, check whether:-

1) Your CPU supports the socket that your motherboad has.

2) Your motherboard's BIOS supports your CPU, if it doesn't, check the manufacturer's website for updates that'll allow support.

3) Your current cooling setup (Heat sink and fan) supports the new CPU.

4) Your Power Supply Unit (PSU) is powerful enough to handle the CPU. This is what you meant in your above.

Fill up your current system specs and tell us which CPU it is you intend to upgrade to so that we can advise you further.

System Info - See Your System Specs

Hope that helps!

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the ASUS A7n8x-x motherboard , I was told was compatible for my system. My question is , when I looked it up on newegg.com, there were two....there is a ASUS A7n8x-x going for @ 74.99 and also a ASUS deluxe for about 118.99 , they both have nvidia nforce2 utra 400 + Mcp, is there a big difference between the two as far as perfomance? I also saw a ASUS A7v8x-x with a VIA chipset ( my comp ran a VIA before) and I just wanted to make sure that I can run a nvidia chipset.
Also.... I looked into my power supply and it's a 250 W max. I am not sure what wattage max I can ,or should go to . Any help would be great. thanx

A:motherboard and power supply questions

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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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Just to let everyone know first, I'm not very techy/good at this stuff. I know several things but I'm far from good haha.
So my problem:
Every time I turn on the power for my computer the fans run but the light on the power button blinks once and then stays off. I have to try several times to hold the button/turn it off and then try turning it on again before it totally starts. I'm wondering if this is just a power supply problem or a motherboard issue? I've got an Acer Aspire AX3400-E2202 AMD Athlon IIX2 215 dual-core processor.
Also, if I were to get a new power supply unit would I have to stick to the watts of what it is now or could I move up to something like 300?

Thanks in advance

A:Motherboard dead or power supply?

Yes try a new power supply first... 350 to 500 watts is okay

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Hi everybody! I need some help  about power pins of ml 350 g6 motherboard.I have a atx power supply with 24 pins, but this motherboard (ml 350 g6)  has 22 pins.  Is there any way to adapt it ? Thanks!  

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Okay, being the computer tard i am, and also being nosey i kinda demolished my Motherboard and Power Supply

I'll explain, just to make you guys laugh at how much i am of a complete idiot.

Power Supply : My powersupply was louder then normal. so i opened up my case and rebooted still loud. so i made sure everything was plugged in ok and again, still loud. so i unscrewed it and ran it with the casing off, and then BOOOOM Right in my face. I got told, i could of died by it, but i was laughing so hard i was almost crying. Shat my pants almost lol

Motherboard : I decided to learn bits of the motherboard, and took the PSU off, tried to put it back and bent the gold spikey bits, didn't work again
So overall, i've decided with these two new parts. Are they compatable? Will they work?

Power Supply : http://www.overclockers.co.uk/showproduct.php?prodid=CA-009-HP&tool=3

Motherboard : http://www.xpcgear.com/132cknf78a1.html

Im using 2x 1 Gig DDR2 Memory Sticks, Im a casual gamer. i don't know what my Graphics card is, but it cost me 200 quid, so it better be good.

Btw, Just to make you druel in your chair. My new sexy case http://www.xpcgear.com/vento3600blk.html


A:Motherboard, Power Supply. New Help Required


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I recently decided to upgrade my computer big time by purchasing a new motherboard and processor and power supply/case. Anywho, it is a KD7-E motherboard, an AMD Athlon XP processor, and a 300watt power supply. The processor doesn't seem to be the problem though, so that shouldn't be anything to worry about. I put the new MB in to the case and hooked it all up correctly. I triple checked it a million times. It simply would not turn on at all until I hooked a friends power supply in to it, and that seemed to sort of jump start it. It came on, the fans and the lights, and it would seem to go just fine but then it would sort of hiccup and die. We hooked my power supply back in to it and it started working, but hiccuping just like the other. It would start up, fans and all, then they would just die all of a sudden. It seems that it runs longer though if you hold down the power button, for some reason. At first I just thought the power supply or the motherboard was fried, but that cannot be it, since they both work...just not well. I think it might be a short in the motherboard maybe? And it is not a lack of power either. It is a 300 watt power supply and that would be enough I believe. That, and my friends who we hooked in to it was a 450watt power supply, and that is more then enough. Anywho...dunno if anyone has heard of anything like this before, or have any suggestions or tips, but I would really appreciate it. I'd like to get it working instead of having to se... Read more

A:Motherboard/Power Supply problem

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An individual built the CPU, running windows XP, 256 memory. Itís been up and running for about 1 year. When turning it on the BIOS did not see the hard drive. So I rebooted and went into the BIOS and tried to auto detect the hard drive. It found it, so I saved the configuration and system booted fine. After working for a while I shutdown the system for the day, next day tried booting and same thing occurred. So I went through the same steps as stated above; system came back up. Obviously, a problem and concern here; I couldnít stay to diagnose it at that time, but it was up and running and it was used all day. That afternoon, I went and bought a battery for it thinking that was the problem. After installing the battery and rebooting the system. Right in the middle of the reboot the power supply-dual fan started making a loud noise and the CPU totally died, dead. So of course, next I replaced the power supply-dual fan, thinking maybe it was overheating. After replacing that the fan unit on the motherboard started making a little bit of a noise so I thought what the heck I just replace the fan unit as well. After replacing all of the above everything seems to be working fine. But my question is how do make sure that it was the power supply and itís not the motherboard itself. I do not have any fancy equipment like a voltmeter, storage oscilloscope or the PC Power Check. Is there any other way to tell without having just sit and wait or do you think that what I described abo... Read more

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Recently I had a problem with my computer where the monitor would not get a signal no matter what and I also tried another monitor and got the same problem. I took out everything other than the motherboard, CPU and RAM. The computer started working so I put everything back in one by one and tested them each individually and it all worked until I put the graphics card back in (GeForce 8800 GTX). Now every time I take the card out of the computer it boots fine and the monitor works, but when I have the card installed the monitor gets no signal, even though it is connected to the motherboards VGA port and not the graphics card. I replaced the GeForce 8800 GTX with an older GeForce 7300 GS and it had the same problem, so now it's happened with two graphics cards even though the monitor was not connected to either of them (I'm hoping this is a sign that my 8800 GTX is not the problem?). When I originally started having the problem and took out the graphics card this problem was still happening, so I have seen it happen both with the video card installed and with the video card out of the computer, but now the computer only works while the card is not installed. I have had people tell me that the motherboard was probably failing, but now the motherboard appears to be working fine...as long as no graphics card is installed (they are both PCI-Express so maybe that slot is is having problems?). Any suggestions what could be going on here? My system specs are in a text file a... Read more

A:Motherboard or Power Supply problem?

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