1. Using a different keyboard? (Specifically, use a PS2 keyboard if your current keyboard is a USB model.)
2. Install any keyboard software which might be available?
But then again, since you haven't told us whether you're using a laptop, desktop, or anything else about the computer, it's a little tough to offer anything else specific.
Hope this helps.
The computer I use works fine if booted up in "safe mode with networking" but if I boot it up normaly the keyboard is slow to respond when a key is pressed. It takes about two seconds for the charectar to appear. I have no-idea what happened or what to do. Please help me or atleast try. Thanks.