Steps to Restore computer to previous state in windows 7
Click on windows icon and typesystem restore
Now system restore windows will appear.
Click on Choose Different Restore pointand then click next
It will show the number of restore points listed. Click on the desired restore point. If you don’t see all restore points click on show more restore points.
Scroll down to see more restore points.
Once you select the desired restore point click on next and click finish.
You will get the warning message click on yes.
The System Restore will begin now.
Once restore started you will see different process. The time taken to restore depends on your PC status.
After restore PC will restart and you will get the successful message.