Missing key drivers
to the manufacturers site first (I assume it's an Acer) to see if they
have the dirvers you need. I'm unsure if you mean you the 'key drivers'
as in the main drivers for the computer, or 'key' drivers for the
keyboard (you don't need any drivers for the keyboard unless its an
external gaming keyboard, in which the manuafacturer will have the
drivers on their site, and on the included CD if you still have it). If
you need all the drivers try these softwares if you cannot find them
from the manufacturer:
You can also try these special driver scanners to see if drivers you need are available:
Genius, Driver Magician, Driver Scanner, Driver Finder and Driver
Checker. These will scan your computer and tell you which ones you need
and allow you to download them if they are available.