Computer turns off when i'm gaming

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logan1

Gawd
Joined
Jul 22, 2004
Messages
987
So here is the problem

i start playing a game and like after about 45 min the computer shuts off and i have to wait like 1min or so before i can turn it back on. The whole thing just goes completely dead, i already put an extra fan on my video card but that does not seem to be helping. any ideas
 
It could be a weak power supply giving up. Try using motherboard monitor to log voltages every minute - see if any rails are sagging just before the reboot. It could also be the PSU overheating as well.
 
If you're using the the ASUS board download PCProbe and monitor your temps. It could be your CPU is overheating. However when I had a thermal problem, the PC speaker beeped at me before shutting down.

It could also be the PSU as was stated above, or your video card over heating.

Do this too.
Right-click on My Computer and select Properties. Click on the Advanced tab and under Startup and Recovery click Settings. Uncheck Automatically Restart. You may be getting a BSOD. In which case post the bug check information.
 
its most likely your temps. If the temps get to high it triggers the comp to shutdown in order to save anything from potential damage. you should remount your cpu heatsink just to make sure that it is on properly. Also you can check inside your bios for what you have your thermal shutdown temperature set to
 
Is your proc oced?
Is your airflow hindered by ribbon cables or a rats nest of power cables?
Is your airflow scheme in need of revision?
Are you using stock HSF with too much/little thermal material (or crappy thermal material)?
What is your idle temp?
What is your BIOS designated thermal shutdown threshold?

Sounds like things are a bit to hot in your rig.
 
If it only occurs during games you should verify it with a program such as Prime 95 or Toast that stresses your CPU. If after an hour or so you're still good (generally overclockers use prime95 over a 24 hour period to verifiy system stability) you should seriously consider your PSU. I've seen that occur before, where you're right on the line with your PSU and it will work fine all day long for anything you throw at it, but as soon as you add the load of your GPU it's too much for your PSU. If it sits and waits a minute or two before it will start back up your PSU is probably overheating.
 
don't forget rthdribl (I know it more for videocard stress, but watch that cpu temp climb right along with it) and SuperPi
 
The system is the same as you see in my signand
its not OC'ed, every everything is running stock

my heat sink for the processor is mounted right using AS5.

i think the problem is either the mess of cables blocking the intake fans in my case or my PSU...

Case :Kingwin KT-424-BK-WM Aluminum Mid-Tower ATX Case
PSU: Coolmax 450 Watt Taurus CX Series Silent Power Supply
 
try leaving the case panel off
With my old PC, during the summer, I had to keep the front-panel off to keep the PC cooler, or the PC shutsdown after 1/2 hour of gaming.
 
i have a 520W TTGI PSU around here some place i'll try and replace my existing one for that today.
 
GlimmerMan said:
try leaving the case panel off
With my old PC, during the summer, I had to keep the front-panel off to keep the PC cooler, or the PC shutsdown after 1/2 hour of gaming.
Click to expand...

i dont really like leaving panels off cause of dust.
 
Well, you dont have to leave the panel off permenantly.

Just leave the panel off long enough to see if heat is the problem. if the PC dont reboot anymore, then you know you need to work on reducing the heat. Like use ribbon cables instead of flat cables. Or added additional case fans, maybe a slot fan or front-bay fan. Or get a bigger CPU fan.

And about PSU, my problem with my old PC started when I replaced the 300W PSU with a 400W PSU. The new PSU generated more heat, enough heat to create a problem. I fixed my problem by doing all of the above. The PC is pretty noisy, but dont reboot on its own anymore.
 
logan1 said:
i dont really like leaving panels off cause of dust.
Click to expand...


you dont have to leave it off for long, just try it out and see if the problem still occurs.

also you said "you think" the cpu heatsink is sat on correctly, this is not something you want to think is right, it'd be good if you'd double check........

:rolleyes:
 
MaMMa said:
also you said "you think" the cpu heatsink is sat on correctly, this is not something you want to think is right, it'd be good if you'd double check........

:rolleyes:
Click to expand...

yup my processor heat sink is on right.
:D
 
Yeah, why were you using that Coolmax over the TTGI/Superflower anyway?

Coolmax = bottom of the bottom of the barrel

TTGI/Superflower = one of the top brands.
 
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