I don't know if you've ever encountered this situation: your computer keyboard suddenly fails to type a word. If you don't finish your work and study tasks for this reason, it's really annoying. But more often than not, a computer keyboard doesn't work because you hit NumLock, and you just press it again. If that doesn't work, here are three ways to do it.
The first method: hardware update
1. Use the shortcut key "Windows +R" to open the "Run" interface, and then enter "Regedit" into the registry editor.
2. Then in the registry editor page, click "HKEY_LOCAL_MACHINE →SYSTEM→ControlSet001→Control→Keyboard Layouts→E0200804" in turn, and then double-click "Layout File". Change "kbdus. DLL" in "Numerical Data" to "kbdjpn. DLL", then
