Emre,
I just noticed that there is no equals sign (=) on the onscreen keyboard.
There is a blank key to the right of the Zero (0) key.
Caps lock does not show letters in capitals.
The @ key above the Enter key is mapped to a Semicolon (
, when you shift this key its a Colon (
The Space bar shows 'Space' only when you use Shift.
All other keys seem ok.
Its amazing what you find when you don't have a keyboard plugged into the computer