System restore

If yesterday your laptop works well but now it lost some function/ or affected by virus/ or having problems like unstable system = system restore is one of the best options you can choose to try solve the problems.

How to do it?

Click start > all program >accessories > system tools > system restore.

And then after clicking next you will see many date where you can choose to restore. Choose any of them(for me choose the date where computer in good performance is better).

Remember to back up your files in C.
what is the effect: It UNDO the change made to your system and restore the earlier system.