This article provides information on how to troubleshoot wireless keyboard, mouse and combo set issues.

Instructions

Start with the Basics (Most Common Fixes)
o   Reboot system
o   Check Power
o   Make sure both the keyboard and mouse are turned ON
o   Look for a power switch on the underside
o   Replace all batteries (even if they “seem fine”)
o   Use new alkaline batteries, not rechargeable if possible
o   Confirm battery orientation (+ / –)
o   Weak batteries are the #1 cause of wireless combo failures.
o   Check the USB Dongle
o   Ensure the USB receiver (dongle) is plugged in firmly
o   Try a different USB port
o   Prefer ports directly on the PC (avoid hubs or docks initially)
o   If using a desktop PC, try a rear USB port
Reconnect or Re‑Pair the Devices
o   Reconnect or Re‑Pair the Devices
o   Many combo sets lose pairing.
o   Re‑sync the Combo
o   Unplug the USB dongle
o   Turn keyboard and mouse OFF
o   Wait 10 seconds
o   Plug the dongle back in
o   Turn keyboard ON, then mouse ON
o   Wait 30–60 seconds
o   Some models also have a pair/connect button:
o   Press and hold it for 3–5 seconds after plugging in the dongle
Test on Another Computer
o   This helps isolate the problem.
o   Plug the dongle into another laptop or PC
o   Works there → issue is with your original computer
o   Doesn’t work → likely a faulty dongle or device
o   Dongles are usually paired to that exact keyboard/mouse set and cannot be replaced with a
different one unless the manufacturer supports it.
macOS
o   Go to System Settings → USB
o   Verify the receiver appears
o   If not:
o   Try another USB port
o   Restart the Mac
Determine If the Dongle Is Dead
o   Signs the dongle has failed:
o   No LED activity (if applicable)
o   Not detected on any computer
o   Keyboard/mouse work with Bluetooth (if supported) but not dongle