How To Fix Keyboard Is Not Working. If the function keys are not working the problem may be you have a function lock or F-Lock key that needs to be toggled. Type and search Troubleshoot settings in the Windows search bar ① then click on Open ②.
How to fix mouse keyboard not working on MacBook Air. Its also possible you are using an old driver installed on your computer resulting in the keyboard may not work. Sometimes it can start typing wrong characters or may simply stop working.
If the circuit board is at fault the keyboard needs to be replaced to fix the problem.
Moreover if the normal reboot doesnt fix the keyboard issue you can reboot into safe mode to fix the problem temporarily. Function keys are not working. One such problem is the Shift2 not working on Windows 10 PC keyboard. The methods to repair a USB keyboard that wont function before startup are as follows.
