NOTE: Before performing any significant repairs, back up your computer's hard drive.
For Unresponsive Keyboard
- Turn off the computer and then restart it.
- Repeatedly press the Esc key to see if a startup menu opens.
If a setup menu (BIOS) does not open then there is a problem with the keyboard and laptop will need to be serviced.
If a setup menu (BIOS) opens, use the arrow keys to navigate the menus. If these keys are working in the startup menu, but then fail when Windows loads, the problems might be related to the keyboard software
You will need to reinstall the keyboard drivers.
- Right-click the Start Button and choose Device Manager from the menu.
- Now under ‘Keyboards’, you will find your laptop’s keyboard. Right click on it and select Uninstall. If you are not sure about your laptop’s keyboard, you can uninstall all the keyboards.
- Restart your computer and check if you see its driver installing automatically. If not, again open Devices Manager, right-click on Keyboards and select Scan for hardware changes to install it.
After the driver is installed, check if the keyboard starts working.