The often-overlooked cause of a computer freezing problem is some new piece of software or hardware you have installed lately. If your freezing computer has only recently started to give you heart ache think back to the last down load or hardware you added to your PC. Did it tie in with your troubles?
If you have any suspicion that it may be this that is causing your problem you will have to uninstall the offending item. Once you have taken it off, restart your PC and monitor your results. Has it fixed it or not?
Unfortunately, most computer freezing problem fixes tend to be a matter of trial and error,simply because there are so many possibilities as too the cause. Even when you take it to a technician he will have to try certain procedures to get to the bottom of your problem.
To discover if it is that that is causing your computer to freeze and to ultimately stop it happening you have to try it one step at a time. Now it may be that you have to go through many different ideas or procedure to try to fix your computer freezing problem.
One great piece of advice i can give you is to keep a note of any changes you make to your set up. You need to be able to quickly and easily restore it to your original settings If you fail to do this after about the third or fourth change you start to forget what you have done and could very well make your PC worse.
Source by Paul Mallet