Repeating Keys on Dell Wireless Keyboard and Mouse KM636

Symptom

Dell wireless keyboard and mouse KM636 may experience repeating keys issue. This issue is noticed when the keyboard and mouse when there is electromagnectic inteference with other devices running on the same radio frequency.

Affected products

• Dell Wireless Keyboard and Mouse KM636

Solution

Updating the firmware of the USB receiver dongle to the latest version helps resolve the issue. The firmware update works only on the USB dongle that ships with the Dell Wireless Keyboard and Mouse KM636 model. The firmware update will fail when used on the USB dongle of a different wireless keyboard and mouse.

1. Browse to the Dell Wireless Keyboard and Mouse KM636 Drivers & downloads page.
2. Select the Operating System.
3. Locate the latest Dell Universal receiver firmware updater.
4. Click Download and save the file to your computer.
5. Open File Explorer and browse to the location where the downloaded file is saved.
6. Double-click the firmware updater setup file and follow the on-screen instructions to complete the installation process.