

When you turn off NumLock, the number keys become disabled, and you won’t be able to type the numbers. The NumLock must be enabled as you must use the 10-key numeric keypad to enter the Alt code.To type the alt code, use the numeric keypad on the right side of the keyboard.Before typing the code, you must hold down the Alt key.

A WITH UMLAUT ALT CODE CODE
You must obey the Alt code rules below to be able to type the umlaut letters on the keyboard.

