Keys keeps on hitting or sometimes not working

hi,
My keyboard key "M" keeps on pressing withouting hitting or sometimes not showing "M" value on board

Hello safeerps,
Thank you for providing your information!
To correct the issue with your keyboard, I recommend following this document on Notebook Keyboard Troubleshooting (Windows 8). This should help prevent keys from repeating spontaneously or not working at all.
Please re-post with the results of your troubleshooting, and I look forward to your reply!
Regards  
MechPilot
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the right to say “Thanks” for helping!

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