Asus P5Q PCI-Express Issue

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benjaminosauras

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Jan 13, 2009
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After resurrecting my old PC last week, I've had some issue with the PCI-E slot.

Power goes to the slot but the GPU fires at 100% fan speed and I get no display. I've replaced the GPU and tested the set up out of the case on cardboard and still the same result.

Is it a dead PCI-E slot? Dead PSU?

Specs are:

Asus P5Q
P4 E8400 3.0Ghz
4GB Kingston Hyper-X DDR2
AMD 6770 1GB

Thanks in advance.
 
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benjaminosauras

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Tried swapping out the RAM. Still no different. Cleaned all the slots out. Still no cigar.

Going to take the PSU from my new rig and try it with that to determine whether its the PSU or mobo.
 
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brarboy

brarboy

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what are the results you got with your other psu? There are some cases that involve power shortage, so did that solve your problem?
Also, are you using a dvi to vga adapter, if you are it could be that the dvi port is a pure digital port and wont output an analogue signal, try the other dvi port.
 
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brarboy

brarboy

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clear CMOS, by reseating battery of your motherboard. Unplug psu cable from psu, take out the battery for at least 1 min insert and try booting now.
Try to connect your display with dvi or vga(if port available) through graphics card because sometimes the HDMI ports won't work until the correct drivers are installed.
 
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benjaminosauras

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Tried clearing the CMOS before, and again when I used the new PSU.

Also tried through the DVI port, but still the same result. The GPU fan at 100% is what pushes me towards a dead mobo. Even without drivers it wouldn't stay maxxed like that.
 
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brarboy

brarboy

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Last thing if you haven't already tried if you haven't already:
when motherboard was out of the case, did you took out the memory modules? If no, try it without gpu inside your motherboard.
If you get the long beeps, add a stick of RAM. Boot. The beep pattern should change to one long and two or three short beeps. Silence indicates that the RAM is shorting out the PSU (very rare). Long single beeps indicates that the BIOS does not recognize the presence of the RAM. If you get the one long and two or three short beeps, test the rest of the RAM. If good, install the video card and any needed power cables and plug in the monitor. If the video card is good, the system should successfully POST (one short beep, usually) and you will see the boot screen and messages.
Another last thing: Some monitors do not feature auto switching of input ports. If you are using a different input on the monitor make sure it is set to the right input, even that won't get a let anything display.
If all fails, can be 2 possibilities; It's either motherboard or ram.
 
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benjaminosauras

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Yeh, took the RAM out, tested each one individually, and then tested another set of DDR2 I had kicking about, and still the same results. But no beeps from the motherboard on any occasion.

Tried it through a monitor and a TV, through HDMI, DVI and VGA. Same results for each. Brings me back to thinking it's the Mobo.

Any sure fire way to make sure it's not the PSU as well? Have tested another PSU in the setup and its the same result, just don't want to order a load of new stuff and then the PSU not work as well.
 
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brarboy

brarboy

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if you have already tested with another psu, the possibility of psu rules out, also of ram. Comes to motherboard and cpu at last. Cpu has very rare chances to get damaged, so i would be suspecting motherboard too.
 
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