Dell KM636 Keyboard keys not functioning when battery is low

When the batteries on your Dell KM636 keyboard are running low, some keys may stop working. More often, the C, E, and Esc keys stop working.

Also, when batteries run low, your whole keyboard can stop working.

Solution

Some keys not working

Replace the batteries of your keyboard with new or fully charged batteries.

Keyboard stopped responding

1. Check that the power switch on the keyboard is On

   Figure 1: Dell KM636 power switch

   
   
    
2. Check the battery charge level
   • If the LED is flashing orange, you must replace the batteries
3. Test the receiver on another computer and confirm the mouse and keyboard works
4. Perform the pairing procedure - SLN300526 - How to use the Dell Universal Pairing
5. Perform a test outside of Windows (BIOS or ePSA for example)
6. Use another Dell KM636 keyboard (if available)

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