Laptop keyboard? - 1

Go
2

If I want to write ö, ä or ü on my laptop then characters come up even if the key combinations do not happen

ä = "
ö =;
ü = [

All of this comes when I press the umlauts

Gu

You have probably chosen the wrong keyboard layout. Search in the start menu for "Language Settings" and change the value for "Keyboard" to "German"

My

You have set the wrong character set (presumably EN for English).