If the Backspace only deletes one letter at a time or is not working in Windows 11/10, you should turn off Filter Keys. Here are some more suggestions to try.

If you've settled into Windows 7 but find the change in the functionality of the backspace key while browsing files to be too much to bear, use this simple hack to turn the backspace key back to ...

What to do if Backspace not working in Windows 10 There are several factors that may have caused this particular problem to occur, which is not related to the computer and or the operating system ...

If the Delete key on your keyboard is not working on your Windows 11/10 PC, check the key physically, disable Sticky or Filter keys, remap the key, etc.

How to change your Caps Lock key to something else MacOS: In System Preferences > Keyboard, you will find a bottom at the bottom right labeled Modifier Keys.