Craig RoseBSOD causes in order of most probable
1. Windows corruption. This type will usually fault with the BSOD
screen frozen.
Correct by Googling the STOP error messages. Usually just involves
replacing a file or two. If no one else can help:
Start disabling stuff until you narrow it down OR reinstall Windows.
I generally just go for the reinstall as it turns out quicker.
Especially since all my precious data is on a seperate server. And
the best way I find to do this is to put in a freshly formatted second
hard drive and install to that. The formatting makes sure that you
aren't getting tangled up with any bad sectors. Then the old drive is
available to grab any files I need. Up and running in 30 mins and if
the BSOD keeps happening I know that it's hardware.
Trying Windows repair and all that and your not quite sure you've
actually fixed Windows and it is hardware.
2. Failing power supply. Sometimes only shows itself when power
demands are high. eg video processing. Will observe mixed
behaviours: spontaneous reboots (no error messages) and varied BSOD
error messages.
3. Failing RAM. IF you have more than one stick in then pull all but
one and test one at a time in different slots.
4. Overheating. At constant room temperature and with the same
activity running you'll get a BSOD or spontaneous reboot at about the
same time everytime. Some systems have temperature monitoring
software. You can log the CPU and MB temp. Then see if it's dying at
the same temp everytime. If you suspect temp check fan rotation and
clean out dust.
5. Loose connectors/hardware