Problems will be seen like this :

“laptop keyboard works in bios but not windows 7, keyboard and mouse work in bios not windows 10, hp laptop keyboard works in bios but not windows 10, dell keyboard works in bios not in windows, ps/2 keyboard only works in bios, how to enable mouse and keyboard in bios, keyboard and touchpad only work in bios, keyboard and mouse not working in bios, Laptop Keyboard works in bios but not windows 8”

Solution :

1. Try with wired keyboard.
2. Or,try changing USB support from 3.0 to 2.0 in bios, if available.
3. Or, Install OS 10 (if your are getting issue in win 8/ 7), install win 8 (if win issue is being seen in win 10)
4. Or, Try running live linux system to make sure if problem is seen or solved.
5. Or, try upgrading keyboard driver to latest.