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Is my PCI-E slot broken? Please help..

Last response: in Motherboards
August 21, 2010 2:33:19 PM

Thanks for reading this.

Basically my problem is sometimes my monitor doesn't come on when I start or restart the pc. I have to keep hard resetting until it does, sometimes 4 or 5 times later. This started happening quite recently however, this is my own built computer, and when I first put it together I had to RMA a GPU due to overheating issues which would also cause the monitor to go off. However although the overheating issue was still there, i seem to remember when the card was in the other PCI-E slot it wouldn't crash like that, but as the PCI-E was right near the bottom of the case it would be even hotter!

Anyway I got a new card back and it worked fine in the original PCE-E slot so the worries I had that also the MOBO slot might be dead were gone, however I have recently been adjusting my PC and now this has started happening, and even more worringly the computer restarts sometimes when the windows desktop first loads. I have tried the card in the other slot, which is still going to run too hot and it seemed to work without any screen issues, although I cannot be certain because like I say it doesn't always happen. I am using the computer now, with the card in the "broken" slot and it is working.

I read that a dump file is created when it restarts so I found that and am just downloading the symbols and debugging tool to read it, which I will post when I can.

Things I changed recently:

I overclocked both my GPU and CPU (the GPU first, a few weeks ago, and the cpu much more recently, Both of which have now been reset to default)

I updated my bios, which worked fine

I have also tried a number of things to fix the problem:
Reset cmos and bios
reseated ram, gpu and cpu.

Any help is much appreciated.

Thanks again

More about : pci slot broken

August 21, 2010 2:42:09 PM

I cant seem to get the symbols to work properly.. most of it says wrong symbols, this is the only thing that could help:
FAULTING_MODULE: fffff80002c49000 nt


BUGCHECK_STR: 0x124_AuthenticAMD




fffff880`031af6f0 fffffa80`04eb28f8 : 00000000`00000001 00000000`00000000 fffffa80`0509d5f0 fffffa80`04eb28f8 : nt+0x4a587c
fffff880`031af6f8 00000000`00000001 : 00000000`00000000 fffffa80`0509d5f0 fffffa80`04eb28f8 00000000`00000000 : 0xfffffa80`04eb28f8
fffff880`031af700 00000000`00000000 : fffffa80`0509d5f0 fffffa80`04eb28f8 00000000`00000000 00000000`00000000 : 0x1



MODULE_NAME: hardware

IMAGE_NAME: hardware


Followup: MachineOwner
August 21, 2010 3:25:22 PM

Does anyone have any ideas? I am kinda worried :s, it seems really random.. just now I started it up after it failing a couple of times to show monitor and it got ont othe windows desktip, froze and rebooted. (Just to haev the monitor not turn on again... reboot and it did.) I have run PRIME95 and furmark and the system is stable if it gets beyond startup..
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a c 302 V Motherboard
a b C Monitor
August 21, 2010 3:38:10 PM


Like I see for the error looks like a bad driver.


Uninstall the current driver that u have download the new one from the chipset manufacturer (nVidia or ATI) and install the driver.
August 21, 2010 3:43:23 PM

I haven't changed any drivers recently so I would be very surprised if it was that... Although I will give it a go, thanks for the suggestion!

Also can you get a BSOD from a bad startup? I think I may be receiving it because I turn my pc on and off as it turns on, because the screen doesn't come on. Does anyone know if a bad startup would cause a BSOD as windows loaded?
a c 302 V Motherboard
a b C Monitor
August 21, 2010 3:46:58 PM

No the BSoD are only caused for error systems and not for bad start up.

You say that u installed a new GPU right? a new GPU needs a new driver.
August 21, 2010 3:49:06 PM

Actually I installed the GPU a while ago, it has the newest driver..
a c 302 V Motherboard
a b C Monitor
August 21, 2010 4:15:38 PM

If u installed the driver of the CD that comes with the GPU that isn't the last driver. Follow my 1st suggestions and let me know how this works.
August 21, 2010 4:33:26 PM

I have the newest from the website. I have found something out, it seems that if the power is off at the wall, so no power whatsoever, and then I turn it on and the computer on it will NEVER display the screen, however if i then press the reboot button it will ALWAYS work second time.. it's like it's jumpstarted the monitor if the pc is already on...
August 21, 2010 9:55:33 PM

Oh that is slighty wrong, 90% of the time it'll work when its already on... argh it just seems so random.. has anyone got any ideas? I'm really worried I have broken something overclocking...

Also I updated the bios when I has overclocked which I have subsequently read may be bad.. anyone?
August 21, 2010 10:28:49 PM

Ok this is unbelievably strange...

The problem occurs on both intergrated and hd 5770, so its not the GPU. The system posts and I hear windows run, so its not the cpu, ram or motherboard...

anyone please?
August 22, 2010 2:19:08 AM

I had a similar problem once and I solved it by manually setting the memory timings because what they were defaulting to caused the motherboard to hang and thus the video not come on. (Some memory needs command rate to be set at 2T)

Also some high performance memory needs the voltage set manually to run at the rated speed. Voltage requirements should be on the label on the memory and in the specifications.
a c 302 V Motherboard
a b C Monitor
August 22, 2010 4:29:20 AM


Good suggestion follow that advice I think that could be the problem.
August 22, 2010 10:45:45 AM

But surely if the motherboard hanged then the system wouldnt start? Anyway updated news:

I found out that when it doesn't work on the gpu it defaults to the intergrated... so therefore if i plugged the monitor into the intergrated one the monitor would come on.. so I disabled the onboard gpu and then I get error beeps if it doesn't start on the GPu.. so I think either the card or the PCIE slot is having issues..
August 22, 2010 3:48:34 PM

when you boot fine, try a GPU benchmark, like 3d mark, see if it crashes
slso, what are your specs?
August 22, 2010 4:28:09 PM

Thanks for replying, I have run a gpu benchmark and a cpu benchmark and both run without fault.. my specs are:

GPU: HD 5770
CPU: AMD Phenom ii x4 955
mobo: m4a785td-v evo
4gb ram
sata HD 250gb
August 22, 2010 7:53:14 PM

doesn't it say in your motherboard that if you want to use 1 graphic card, you have to fill the first PCI e with a special card and use the second one? I have a 890GX motherboard, and it came with a pcie card, if this is the case, you are not sopposed to run it with one card in the first connector, still, I am not very sure..
August 22, 2010 9:32:07 PM

Thanks for helping, and no I am 99% sure I have it set up right..

if i disable the intergrated gpu I get error beeps..

but just to recap...

If i start the pc, the cpu fan is slow and then speeds up as it posts, but monitor doesnt come on, however if I press the rboot button the monitor usually will. I don't know if these are related but it seems like once the pc has sorted everythign else out, it can give time to the monitor/gpu.. is that possible?
a c 302 V Motherboard
a b C Monitor
August 22, 2010 11:57:48 PM

RMA the mobo and wait for a new one, since u know that the CPU, GPU and RAM aren't the problem the other possibility is the mobo.
August 23, 2010 7:11:54 AM

same az above^^^
August 23, 2010 9:13:57 AM

Thanks for the nsuggestion, I may end up doing that.. the second PCI-E slot definetely seems to work, I would just stick with thta one but its right near the bottom of the case and the temps are very high..
August 23, 2010 10:01:12 AM

Ok I don't know if this means anything at all, but I can no longer select MSAA samples on Furmark.. what would cause that?
a c 302 V Motherboard
a b C Monitor
August 23, 2010 1:41:20 PM

Maybe, like I say the best option is RMA the mobo personally the PCI slot change isn't a solution.
August 23, 2010 4:54:01 PM

Now it seems my GPU is overheating in either slot.. this is a nightmare.. anyway I am taking your advice and RMAing the board, Thanks for the help everyone!
a c 302 V Motherboard
a b C Monitor
August 23, 2010 6:29:12 PM

Your welcome, let me know as soon as u get the new mobo.