Hi Andrew,
I'm Christine, I'll be happy to assist you. Looks like the backlight of your keyboard is not working. No worries, I'll do my best to help you.
May I know when did the issue start? Is there any changes made before you got this issue?
Please send the make and model of your device. (Please press Windows key + R and type msinfo32 and hit enter, look for system model)
Kindly check and follow the steps below:
- Please try to press FN+F4, FN+F5 or FN+Spacebar
- Let's try to reinstall the Keyboard driver
Please press Windows key + X and choose device manager
Look for Keyboard option and expand it.
Please uninstall the each drivers and restart your device, that should be reinstalled after the reboot.
Please let me know the result. I'll be happy to assist you all the way until it's resolved.
Thank you,
Christine L
Independent Advisor