Mouse, keyboard, monitor or laptop hardware not working
Basic checks for peripherals and computer hardware.
Reviewed 06 Nov 2026
Try these steps
- 1 Check that cables are plugged in firmly at both ends and that the device has power (monitor power light, laptop charger light).
- 2 For wireless mice and keyboards, replace or recharge the batteries and switch the device off and on.
- 3 Try a different USB port, or test the device on another computer to see whether the device or the computer is the problem.
- 4 For a monitor with no picture, press its input/source button to select the correct input (HDMI or DisplayPort).
- 5 Restart the computer.
- 6 Do not open the computer case or attempt repairs yourself.
Before you start
Work through the steps in order and stop as soon as the problem is fixed. Never share passwords or verification codes with anyone.
When to contact support
If a device is physically damaged, smells of burning or makes unusual noises, stop using it, unplug it and open a ticket.
Still not working?
Never share passwords or codes with anyone. Our team can take it from here.