Computer won't start when graphics card inserted into PCI-E slot

reductant

Limp Gawd
Joined
Dec 8, 2006
Messages
305
I had been using an Nvidia 8800GT 512 mb card for about 2 years until the other day. The computer did not recover from Sleep mode. Whenever I unplugged the graphics card and used the onboard video, I was able to boot the computer. However, when I reinserted the card, the computer would no longer boot (no motherboard flash or BIOS on the screen even with onboard video enabled). Furthermore, the processor and system fans would continue spinning at full speed nonstop.

I inserted a brand new graphics card (ATI Radeon HD5770) and am getting the same problem. Whenever the card is inserted, nothing displays on the screen and the fans continue to blow at full speed (just like when the computer boots after a full power cycle).

I am confused as to whether this is a PSU or motherboard problem. I removed the battery from the motherboard and reinserted it, resetting the board, and the problem persists.

Specs:
Asus A8AE-LE mATX board (OEM board from HP)
500w PSU (Turbolink)
AMD Athlon x2 64-bit (2 GHz)
3 GB DDR RAM (PC3200)

Any insights would be appreciated. Thanks!
 

Flexion

[H]ard|Gawd
Joined
Jul 20, 2004
Messages
1,607
How old is your PSU?

Do you have any other video cards? If they don't power up I say your diagnosis of mobo or PSU is probably correct.
 

reductant

Limp Gawd
Joined
Dec 8, 2006
Messages
305
Hi, thanks for the reply. The PSU is also 2 years old. Is it possible for only the PCI-E slot to fail on a motherboard or only the graphics card connector to fail on the PSU? I don't have any other problems on the computer.
 

OmegaAvenger

2[H]4U
Joined
Sep 25, 2007
Messages
3,240
Hi, thanks for the reply. The PSU is also 2 years old. Is it possible for only the PCI-E slot to fail on a motherboard or only the graphics card connector to fail on the PSU? I don't have any other problems on the computer.

Yes it is.
 

ghost6303

2[H]4U
Joined
Jul 24, 2004
Messages
2,291
the way you described the fans spinning with the 8800 plugged in instantly made me think the video card crapped out. do you have another computer to plug it into to confirm? my second thought would also be the PSU.

Is it possible for only the PCI-E slot to fail on a motherboard or only the graphics card connector to fail on the PSU?
technically yes, but not at all the most likely thing to happen. i would look into my above suggestions before that.
 

Spare-Flair

Supreme [H]ardness
Joined
Apr 4, 2003
Messages
7,471
This exact same thing happened to me.

The problem for me was that the PCI-E slot had failed. I now use that PC as a media PC for the home entertainment system on onboard video only. If it was a PSU issue, an extremely low powerconsumption card that didn't even require a PCI-E power connector would have worked but even that didn't. I tried a new PSU also.
 

neybis

Weaksauce
Joined
Dec 21, 2009
Messages
72
def sounds like pci-e slot. either try hooking up a new psu or use low end gfx card as spare flair suggested. if you dont have another psu you may be able to get away with unplugging all accessories including hdd and odd...all you really need to boot is ur 24pin 8pin and power to ur gfx
 

Mr34727

2[H]4U
Joined
Sep 1, 2008
Messages
3,989
Shouldnt matter since you cleared the CMOS, but is there an option in the bios to do first display PEG1/PCIe/etc?
 

Crispy002

[H]ard|Gawd
Joined
Sep 3, 2008
Messages
1,369
RMA the mobo if you can.

If you plan to throw the mobo away, bake it in the oven at 350 for around 7 minutes and try it (after removing EVERYTHING from it).
 

Dangman

Ninja Editor SuperMod
Joined
Dec 15, 2005
Messages
46,062
Ditch the PSU no matter what the issue is. Turbolink makes some of the world's shittiest PSUs out there. You'd be lucky if it only killed the video card. This would be a good replacement:
$50 - Corsair 400CX 400W PSU
 

Spare-Flair

Supreme [H]ardness
Joined
Apr 4, 2003
Messages
7,471
I swapped cards, swapped PSUs, etc. The problem for me was the motherboard. For your case, you would have to do some swap testing as well.
 

Zero82z

Fully [H]
Joined
Jan 20, 2004
Messages
27,897
Like Raidmax?...
No, like Bestec. The only issue with previous Bestec PSUs was the +5VSB defect, but that was dealt with a long time ago. Their current PSUs are solid, if unspectacular.

By the way, there actually are a few good ATNG-based Raidmax PSUs.
 

reductant

Limp Gawd
Joined
Dec 8, 2006
Messages
305
I bought a new PSU (OSZ 700w) and it still wouldn't power on. I've now tried a brand new PSU & graphics card, so I'm assuming it's the board. Btw, PNY (the brand of my nvidia 8800gt) replaced my card even though I'm pretty sure it wasn't broken. Good company. I've gone ahead and started the process of building a new PC (an ATX this time).
 

reductant

Limp Gawd
Joined
Dec 8, 2006
Messages
305
Ditch the PSU no matter what the issue is. Turbolink makes some of the world's shittiest PSUs out there. You'd be lucky if it only killed the video card. This would be a good replacement:
$50 - Corsair 400CX 400W PSU

Haha, yeah, that pc was my first build. I won't buy from them again.
 
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