What is the exact make and model?
Open Start, type: system information
Hit Enter
Click System summary
Look in the right pane
Copy the system sku info into reply here.
See example:
https://imgur.com/qzektpA
Which version of Windows 10 is currently installed? See how to verify:
https://answers.microsoft.com/en-us/windows/wik...
Which version and edition Windows did you originally upgrade from or was installed prior to your current version:
Windows 10 - 1703, 1607, 1511, 1507 (build 10240)
First, run the Playing audio troubleshoot - open Start > Settings > Update & security > Troubleshoot
Scroll down, select Playing audio
Click Run the troubleshooter
When complete, restart your computer then check if audio is working again.
Press Windows key + X
Click Device Manager
Expand Sound, video and game controllers
Right click your audio adapter
Click Properties
Click the Driver tab
Is there an option rollback?
If so, click it.
Check it starts working again.
Also:
Restart your computer a few times to see if it helps.
Open Start > Settings > Update & security > Troubleshoot
Scroll down
Click Keyboards
Click Run the Troubleshooter
When complete, restart to see if the problem is resolved.
Try connecting the keyboard to a different USB port if its a USB wired keyboard.
Press Windows key + X
Click Device Manager
Expand Keyboards
Right click keyboard
Click Uninstall
Exit Device Manager then restart
Reset your BIOS defaults:
https://www.groovypost.com/howto/reset-pc-bios-...
Try the keyboard with another computer to see if it works.
Check for the latest driver updates for your computer.
