Blue screen comes up - Dell Latitude D600 Notebook

There is a likely chance that this is happening due to driver errors.
You can write down the error code and to to this site
Fix Blue Screen with Stop error code

To fix the blue screen error try these steps:
1. turn off the computer unplug all the device plugged with the computer except keyboard and mouse.
2.restart the computer and start pressing the F8 the moment you turn on the computer you will get windows advanced boot options select last known good configuration and press the enter key twice. if it works fine if not then
3.restart the computer and start pressing the F8 the moment you turn on the computer you will get windows advanced boot options select safe mode and press the enter key twice after that let the computer boot up when its up go click on start go to all programs and then go to accessories then go to system tools and then select system restore.
you will get a window select the day when your computer was working properly. follow the screen prompts this should help you.
If not please reply back for future help.