To date there were no reported keyboard issues for upgrades to Windows 11 per the Microsoft website:
https://learn.microsoft.com/en-us/windows/release-health/status-windows-11-21h2
https://learn.microsoft.com/en-us/windows/release-health/resolved-issues-windows-11-21h2
Logon on with another user to see whether the problem continues or disappears > report findings
Open administrative command prompt and type or copy and paste:
msdt.exe -id DeviceDiagnostic
devmgmt.msc
sfc /scannow
Post images for the results of the above commands and the windows hardware troubleshooter detailed results.
For device manager: click view > click show hidden devices > manually expand all rows > look for any row displaying a yellow triangle with black exclamation mark or unknown device > post images into this thread
Open the Dell website > support > enter the tag > update drivers and BIOS > run the full diagnostics > post images into this thread
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