Solution to garbled laptop keyboard

Usually notebooks appear garbled

It is possible that different systems have been installed causing

Another possibility is to have an external USB keyboard.

The solution is as follows...

Find the fn key on the laptop keyboard, next to the win key. Hold down the fn key while pressing NumLK key, Then release the two keys. At this point, the problem of keyboard input garbled is solved. If you prefer to use the numeric keypad, you can hold down the fn+numlk key to open the numeric keypad.

Some notebooks do not have a NumLK key and may be shared with a keyboard

For example, Lenovo notebook numLK key is shared with the keypad number key 8.