Computer keeps restarting

Windows Vista 64
nvidia drivers 177.41

No new hardware since like last month which was a new graphics card, no problems since today. Ive done a system restore but no luck:(

Edit: no BSOD message just a black screen or sometimes it just restarts my pc for me?
 
Technically you are BSOD'ing, you just don't see it because your OS is configured to auto-reboot. You can alter this in the registry though. But yeah, it looks like a graphics driver or hardware issue.
 
well ive dl the 178.13 drivers and had a quick play and its not restarting anymore. Ive only had a about 5 mins of play,but i got work so ill have a big play session afterwards to see if i have the problem.

Cheers though, but i think its alright now:)
 
Well i was wrong its started doing it again:(

My monitor turns off so instead of a blue light i get red. Sometimes it restarts the pc for me, or sometimes i got to do it myself:confused::(

Could there be a powersetting on my pc doing this, shouldnt be cause i aint touched none of thoes settings?

Is my pc getting too hot, not sure cause i have no tools to check.

I have no idea really, help please.
 
have you overclocked something lately? sometimes my pc restarts when i've overclocked it too much. Maybe try setting everything back to stock speeds?
 
Does sound loop?

Def worth doing some testing and watching the temps, prime95, memtest etc.

My bet would be ram on its way out/developing errors or PSU on its way out although its anyones guess until you can eliminate things
 
Everything connected at the back properly? Everything mounted properly inside? All the fans going round? Check thru those 3 steps slowly to start.
 
Are you using on-board sound?
What game(s) does it do this crashing in?
Has it done it whilst not playing a game?

Lavalys Everest will be able to monitor all temps, voltages, fan speeds etc but you'd need to buy it to use it all iirc.

GPU-Z can monitor graphics card temps, Realtemp or Coretemp for CPU.

Its probably best to have real/coretemp and gpuz running then have prime95 run a cpu only stress test for x amount of hours and see what happens. If that runs fine for 6~hours +, next best thing to do would be a memtest86 test for at least 5 or 6 passes (i like to get at least 18 error free, takes a while for that many though). Again if no errors and all is well, stress the graphics with gpuz logging temps etc
 
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Sweeney said:
Are you using on-board sound?
What game(s) does it do this crashing in?
Has it done it whilst not playing a game?

Lavalys Everest will be able to monitor all temps, voltages, fan speeds etc but you'd need to buy it to use it all iirc.

GPU-Z can monitor graphics card temps, Realtemp or Coretemp for CPU.

Its probably best to have real/coretemp and gpuz running then have prime95 run a cpu only stress test for x amount of hours and see what happens. If that runs fine for 6~hours +, next best thing to do would be a memtest86 test for at least 5 or 6 passes (i like to get at least 18 error free, takes a while for that many though). Again if no errors and all is well, stress the graphics with gpuz logging temps etc
Click to expand...

Cheers for all that:)

Its crashed twice tonight just reading these forums, but none on the games tonight. Ive got an xfi fatality sound card. It has done it on games but not since ive updated the drivers, but i think thats just luck and it could happen in games.

Ive dl gpuz and ive got three temps to look at these are as follows in order:
GPU temp: 63c
GPU temp: 55c
PCB temp: 52c

No idea if thats alright?
 
Those seem fine, i'd put a wager on this being ram or memory related (every chance it could be a motherboard fault rather than a component) given that its locked up whilst doing nothing intensive. As easy as it is to do id give memtest86 a whack overnight/whilst at work/school
 
Sweeney said:
Those seem fine, i'd put a wager on this being ram or memory related (every chance it could be a motherboard fault rather than a component) given that its locked up whilst doing nothing intensive. As easy as it is to do id give memtest86 a whack overnight/whilst at work/school
Click to expand...

would like to try memtest but id be lucky to run the test for an hour before my pc restarts:p:(

CPU temp 38c
 
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