In device manager, right click the keyboard and select Update Driverįind the standard ps/2 keyboard driver and click Next.
We removed everything else.įinally, we had to reset the keyboard in the device manager. We set the UpperFilters to only have kbdclass in it. We set the default key to a value of keyboard. This registry key: Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class is where we fixed it. In the registry we were able to reset a key which helped us get to the bottom of the problem.īefore we go any further, BACKUP YOUR REGISTRY Removing the drivers from the device manager and reinstalling them failed too. We don’t like to system restore Windows 10 these days as windows will usually duplicate the problem on the next update, so we ran all of the latest updates and optional drivers. The laptop had just done a windows update so we knew the root cause. The error code 19 showed on the keyboard driver, “cannot start this hardware device”. This can be a real problem, in this case, we were able to use our SOS system and access the laptop remotely because he could still use his mouse.įirstly we found that in the device manager the keyboard drivers were not working.
We recently had a client with a problem where both his laptop and wireless keyboards stopped working. How to fix a keyboard that does not work in Windows 10
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