PC hard locking up with GTX 560

dave343

dave343

[H]ard|Gawd
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Oct 17, 2000
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Hey all,

I have a GTX 560 that worked great in a previous Gigabyte 890gx board. Yesterday I tossed in a Gigabyte 990FX UD5 board, and since installing the board the GTX 560 will hardlock the PC but ONLY when 3D stuff runs, eg: Windows Aero, Youtube... otherwise the system runs OK.

The only thing I did with the 560 was re-apply the termal-paste (MX-4), but I've done this stuff a million times, and I'm extremely carefull with my hardware.
I'm curious if it's maybe a BIOS setting? There are zero artifacts, PC works great, just hardlocks when I enable Aero, or maximize a youtube video. Thanks.
 
Last edited:
dave343 said:
Hey all,

I have a GTX 560 that worked great in a previous Gigabyte 890gx board. Yesterday I tossed in a Gigabyte 990FX UD5 board, and since installing the board the GTX 560 will hardlock the PC but ONLY when 3D stuff runs, eg: Windows Aero, Youtube... otherwise the system runs OK.

The only thing I did with the 560 was re-apply the termal-paste (MX-4), but I've done this stuff a million times, and I'm extremely carefull with my hardware.
I'm curious if it's maybe a BIOS setting? There are zero artifacts, PC works great, just hardlocks when I enable Aero, or maximize a youtube video. Thanks.
Click to expand...

Do you have another PC you can test the video card? I also replaced my TIM for my 5970 but I never had any issues doing this. I assume it's the motherboard/BIOS (or update the BIOS and start windows on default settings).
 
Also, this is happening on a fresh install of Win 7 64bit, and the BIOS is up to date, accoring to Gigabyte's site. F3.

The bios is pretty much set to default, ram at default, the only thing being the CPU is unlocked to X4 however it was prime stable unlocked on my previous 890gx board.

System hardlocked on nvidia's website, it hardlocks on youtube, Windows Areo, and once while installing a file. I just took the video card out to inspect, re-did the thermal past again just to be sure, and checked around the card for any smeer of paste. Everything looks good in the system as far as I can tell.
This problem has me puzzled... :confused:
 
Looks like the culpit is my x2 555 unlocked to X4... which makes no sense. On my 890 board it ran everything tossed at it, prime, cinebench, games, whatever...
Now on this 990fx board it's causing lockups and when I disable the extra cores I get zero issues... What gives?
 
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