Hi Zombie,
Check for hard disk drive errors. Bad sectors and errors with your hard disk can result in computer crashes. Run Disk CheckUp utility as below:
- Double click My Computer icon on your desktop.
- Right click your system drive (usually drive C:).
- Select Properties.
- In the new dialog click Tools tab and then Check Now button.
- Click Startto begin the process.
If you find that the above solution does not work for you then check-out these this post: http://windows7crashing.com/ . There are other solutions too.
Your processor can be overheating. There are many free CPU monitoring software available on the internet. After you check the temperature of your processor remove the dust from all the components inside your CPU. Clean the processor fan too.
If the overheating is not the root reason then check your RAM for problems. Use Windows Memory Diagnostic tool which is located in your Start menu. Do the steps given below to locate it and run the test:
- Click Start, type Windows Memory Diagnostic in the Search Box and press ENTER.
- Click Restart now and check for problems.
- The system shall restart now and check for problems with your RAM. Hold on until.