How do I reset my laptop if it doesn't respond?

Vi
2

Hello folks I have a problem with my laptop which is already a few years old. It starts quite normally and everything works, just that no programs can be opened and he doesn't let me into the menu or anything else. After a while he shuts himself down due to error messages. Now I wanted to set up the Windows 8 CD again to reset my laptop but I don't know how to do it because it doesn't let me into the menu to do anything. So I wanted to ask what I can do to reset the PC because I hope it will work normally again.

Th

Search for the laptop and reset, you will usually find instructions on which key on the keyboard can do this

Vi

I already have and most of the time it only says how to get into the BIOS and how to reset this to the factory settings, but I already have it and it didn't work