I hope the suggestions above worked for you,[br]
because they did not for me.[br]
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If all the above did not work for you,[br]
And your Enter Key is opening up Power Options,[br]
Check if your Windows Mobility Centre is open.[br]
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You might have opened it with the shortcut ”Win + X”.[br]
The Enter key will not work especially if the keyboard cursor is focused on the Power Options in there.[br]
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So,[br]
CLOSE the Windows Mobility Centre window.[br]
That should work.[br]
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If that still doesn’t work,[br]
Open Task Manager and find the EXPLORER.EXE task under the Processes Tab.[br]
Right-click it and click on Restart.[br]
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That should do a mini software reboot on your system (Without actually switching off your system).[br]
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That, then, should work.[br]
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If this helped you, indicate and upvote that it did.[br]
So others too can find this when they need it.