It is also possible for a virus or malware infection to cause keys to repeat. If you continue to experience the problem in the same program, make sure you have all the latest updates for that program. Restarting the computer may resolve this issue. It may not be a fault of the keyboard, but rather the software's receiving and interpretation of the inputs from the keyboard. Software bug or glitchĪ software program may have a bug or glitch that is causing one or more keys to repeat. When this occurs, it usually is a sign that you need to replace the keyboard. Other times the keys may release back to their normal position, but the circuit board in the keyboard may be sticking, causing the keys to be repeated. Sometimes it's a physical sticking, where the keys don't release back to their normal position after you press them, causing the keyboard to repeat those keys. If you're using a USB keyboard, make sure it is directly connected to the computer and not a USB hub.Īs keyboards get used and wear down over time, some of the keys can begin to stick during a keystroke.

If your keyboard is a PS/2 connection keyboard, make sure to shut down the computer before disconnecting and reconnecting.Keyloggers and other devices may cause keys to repeat. When disconnecting, make sure nothing connects between the keyboard and the computer.When disconnecting, keep these suggestions in mind. Make sure the connection between the keyboard and computer is not loose by disconnecting and reconnecting the keyboard. See our computer cleaning page for additional steps in cleaning your keyboard and other hardware.The sticky residue can be very difficult to remove and may require you to pull keys off the keyboard and clean underneath them with rubbing alcohol. It could be worth trying to use canned air and blowing out any food material and dry out any spilled liquid to see if that fixes the repeating keys issue.įood and some liquids may also leave behind a sticky residue, which could cause the keys to continue sticking and repeating. Spilled liquid can also cause the circuit board in the keyboard to short out, causing keys to be repeated. If food or liquid has ever been spilled into the keyboard, it can cause the keys to stick and be repeated. If your keyboard repeats one or more characters when you press keys, typing multiple letters on the screen, it could be due to one of the following reasons.

Repairing computer keyboard keys