If none of these works then go over this checklist to make sure the install is set up correctly, optimized for best performance, and any needed repairs get done. This keyboard bulletin from Lenovo can also apply to other brands. If not you can contact a laptop manufacturer to see if you can still get it replaced under warranty, or check for replacement keyboards for that model from the PC maker or online from after-market OEM's that exactly match it. If so then it could confirm the keyboard is failing, so we'd want to test it in repair mode to see if it works since it uses different drivers there. If not see if the On-screen Keyboard works at Settings > Ease of Access > Keyboard > Turn On the On Screen Keyboard. See if the keyboard will work in Safe Mode with Networking, or Safe Mode. If this fails from the same location try rolling back or Uninstalling the Keyboard driver, which works in a surprising number of cases where keyboard is messed up by Updates. What also might work is to go into Device Manager, reached by right clicking the Start button, choose the Keyboard device, on Driver tab try Updating the driver automatically. If this was caused by April Version 1803 update can roll back Version 1803 in Settings>Update & Security>Recovery and then hide it until it matures using the Hide Updates Tool downloaded from here. If they return and cause the same problem then hide them with the Hide Updates tool.
Ĭheck which Updates were installed at Settings > Update & Security > Windows Update > Installed Update History and try uninstalling any from around the time this started.
See if you can System Restore to a point before the problem began. This could have been caused by Windows Update. Try the Keyboard Troubleshooter at Settings > Update & Security > Troubleshoot. I'm Greg, an installation specialist and 8 year Windows MVP, here to help you.
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