My computer shuts down when I play video games. How do I fix this?

Behold, my computer specs!

Operating System
Microsoft Windows 7 Ultimate 32-bit

AMD Athlon 64 X2 5200+ 54 °C
Brisbane 65nm Technology

4.00 GB Dual-Channel DDR2 @ 301MHz (5-5-5-15)

WinFast MCP61M2MA (Socket M2 ) 40 °C

X233H (1920x1080@60Hz)
1023MB GeForce GT 430 (EVGA) 37 °C

Hard Drives
233GB Hitachi HCS725025VLAT80 ATA Device (PATA) 41 °C

Optical Drives
TSSTcorp CDDVDW SH-S223Q SCSI CdRom Device

Rocketfish 7.1

(I used Piriform Speccy for my computer specs)

To further confirm the computer temperatures above, here's a reading from SpeedFan
GPU: 36C
TEMP1: 56C
TEMP2: 40C
TEMP3: 25C
HD0: 40C
TEMP1: 40C

Last but not least, my power supply.
5 and 3.3 V combined load 230W
5 and 12 and 3.3 V combined load 422W
Total output 500W max

My case is pretty clean since I just cleaned out the dust. I don't know if it's a heat issue b/c I just installed 3 new 80 mm fans (1800 rpm), two exhaust in rear and one intake on side. I already read somewhere that 500W is pretty good for power supply.

It shuts down when I play games like Team Fortress 2, which isn't that intense with graphics since my laptop with integrated graphics can play it. Also my computer can withstand intense graphics, considering the GT 430 i installed in it.

Either way, it still shuts down. Like no blue screen or anything. Just shuts down. and when I turn it on, it says that Windows didn't shut down correctly, stuff like that. My video drivers are all up to date. It completely shuts down, not just the monitor.

How can I fix this?
5 answers Last reply
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  1. sounds like the power supply is toast...
    or you are overheating like grazy under load, are those temps you listed idle temps?
  2. Yup. Power supply would be my educated guess as well. You also didn't list the amperage. Make sure you over do it there on your next one. It's more vital than the PSU wattage.
  3. bak0n said:
    It's more vital than the PSU wattage.

    wattage = amperage x voltage
    600W = 50A x 12V
    so they go hand-in-hand...

    but yeah psu total wattage isnt as important as wattage on the 12V rail(s)

    edit also why are you running 32 bit windows??
  4. your processor is old, tired and slow. pull the heat sink and fan. clean up the old thermal paste and reapply new. re-seat heat sink and fan.

    the memory is running at some really odd speed. that would be the first thing i would look at. go into the BIOS and check that ( make it run right ). what speed does it say on the side of the ram ?

    there is absolutely no way that machine can run anything comfortably at that high of a resolution. turn it back to 1024x768 and see if that helps...... or another lower resolution the monitor will run at.
  5. Looks like psu issue.
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