what could cause this problem.
prossesor: amd athlon x64 dual
mobo: ecs
memory:2 G
os: windows xp home edition
model: custom built machine
well by reading your ...description.

could be a loose wire in your computer power plug, touch it and it disconnects(brothers computer does that)
could be a power supply problem
could be a heat problem and SHUTOFF...without the blue screen
could be a faulty shutdown switch.

does this happen out of the blue? or does it happen when you bring up the usage, such as gamesYou need to describe the problem IN FULL. What EXACT happens?Please use Everest and post the results.PSU,  OVERHEATING or bad PROC
i am thinking overheating
put a better fan in and now no prob ty every1Possible problems:

1. Loose wire (Check power cord).
2. Virus infection - Try Kaspersky's online virus scan: http://usa.kaspersky.com/downloads/free-virus-scanner.php
3. Defective power supply may be a possible problem.This thread is 4 months old.Took him four months to scrape up enough to  buy a fan.I didn't even realize it was the OP who updated the thread.computer still shuts down recently updated the ram  and got windows vista install clean install. when ever useage goes up the computer shuts down freezes or blue screens me. only happens when i use media like games music or watch TV online not an overheating issue come stays below 60 degrees c. power supply tested and works fine. vista shows me this after bluescreen:
Problem signature:
  Problem Event Name:   BlueScreen
  OS Version:   6.0.6000.2.0.0.768.3
  Locale ID:   1033

Additional information about the problem:
  BCCode:   124
  BCP1:   00000000
  BCP2:   863B6100
  BCP3:   B2000000
  BCP4:   00070F0F
  OS Version:   6_0_6000
  Service Pack:   0_0
  Product:   768_1

Files that help describe the problem:
  C:\Windows\Minidump\Mini102210-07.dmp
  C:\Users\Daisy\AppData\Local\Temp\WER-29937-0.sysdata.xml
  C:\Users\Daisy\AppData\Local\Temp\WER9C7E.tmp.version.txt

but i cant find those files that describe the problem as according to my com they dont exsist. i'm desparate for an answer and ready to chunk this com and get a new 1. plz help me save MONEY Quote from: daisysycks on October 23, 2010, 09:31:18 AM

not an overheating issue come stays below 60 degrees c.