my keyboard doesn't work properly

[Yabsira1]

when i click on bckspace it will show me the brightness and also when i click enter it will show me z

[Pallipurath]

Hi @Yabsira1,

Welcome to the HP Support Community.

Thank you for posting your query.

I am sorry to hear that your keyboard may have some key mapping issues or hardware issues. I would request you to please follow the below steps to resolve the issue.

Software Settings:

• Go to your computer's keyboard settings to ensure there are no shortcuts or functions assigned to keys that are causing this issue.
• For Windows, go to Control Panel > Keyboard.
• For macOS, navigate to System Preferences > Keyboard.

Update or Reinstall Drivers:

• Update your keyboard driver in Device Manager (Windows) or through macOS updates.
• You can uninstall the existing driver and restart your computer to allow the system to reinstall it automatically.
• Go to device manager >> keyboard >>choose standard……. Keyboard option >> select uninstall Device >>uninstall>>restart 

Check for Stuck Keys:

• Physically inspect your keyboard to ensure that no keys are stuck or being pressed simultaneously.
• Clean the keyboard if necessary to remove any debris that might be causing keys to stick.

Run Hardware test:

• Shutdown the system enter the UEFI  {Press the power button and keep tapping F2}
• Click on keyboard 
• Click on keyboard test
• Click on next{ to change the layout language as per the cx's unit}
• Request the cx to click on all the options mentioned
• Click on finish

Hope this helps, Please revert if the issue persists.

Take care and have an amazing day!

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Regards

Pallipurath.