The keys on your keyboard can be pulled up and carefully cleaned. You also clean the surface the keys are attached to, avoiding any electronic components visible. You must be careful when removing the keys, you could damage the locking mechanism. I would suggest a forum for your exact model of computer. That will let you know how your keys connect and the best way to remove them. You could also attempt to blow out the keyboard with air, cleaning out dust and dislodging any tiny object that may have gotten stuck under a key. They sell the air in most stores.
Why the window key in keyboard?
The lowest key on a standard piano keyboard is the A0 key, which is the first key on the left side of the keyboard.
keyboard
If your keyboard is missing a key, press the key-less spot very lightly when used, or try to place the key back on, or at best get a new keyboard.
COMPUTER KEYBOARD KEY MEANINGS
To make an apostrophe on a keyboard, press the key beside the "enter" key on the right hand side of the keyboard.
It is usually on the key above the Enter (or Return) key on the keyboard.
The f key on a keyboard is located between the d and g keys.
The apostrophe key is usually located on the keyboard to the left of the Enter key and below the quotation mark key.
its on the keyboard it looks like dis $$$$
keyboard controller
The width of an 88-key keyboard is typically around 52 inches.