The range of computer errors is quite varied . But I thought it’d be practical to come up with a list of common errors and how to fix these . Here is my top 3 points on how to fix PC errors. 1. Restart your PC . Now, no joking here, you may be surprised at how often the simple act of rebooting your PC can actually clear out the issue and fix your OS error. The thing here of course is that you lose a few hours’ work too. 2 - try to remember what you were up to when the error happened . what you often find is that what you did may the direct cause of the PC failure. did you get new software? Did you update drivers? Have you deleted registry keysor any other system file? 3. Learn the CMOS Beep Code. Most CMOS chip makers have hardwired into their firmware beep codes for let you quickly pinpoint the cause of the problem and fix it. Fix XP Registry