How to start Windows In Safe Mode When A Computer Not Working Properly:
Sometimes a computer not working properly cause of some Hardware problem or when virus detect in a computer. Then there is one way to start Computer and fix the problem. Safe mode is very useful if you think you may have an infection on your computer, or if there is some other problem with Windows. Safe mode is a way to start Windows with the minimum of applications and facilities running. Consequently, viruses and the like are not invited to the 'safe mode' party.
To enter safe mode on Windows you need to press the F8 key when the system is booting up. You may have to wait a moment or two for the BIOS to finish its work. That is, you should wait for the initial 'splash screen' and system information to disappear. If you miss your opportunity, don't worry, just restart the machine and have another go.