Backspace key causes cursor to jump and select text

[tlewin]

The backspace key has started to act strangely. If I press it twice quickly, the cursor jumps back somewhere on the page and then when I try to move the cursor to where it belongs, it selects the text.  When I want to backspace more than one character, I have to press it very slowly with a pause between.  I have checked for driver updates but this didn't help. I also did the keyboard diagnostic and no faults were discovered.

[Riddle_Decipher]

@tlewin Did you check if the issue occurs on an external keyboard?

While you respond to that, here's what you need to do:

I recommend you attempt the below steps to identify the cause of the failure and resolve it accordingly:

• Try changing the keyboard layout/language and check if it works: Click here for steps.
• Clean the keyboard with compressed air (blow compressed air in the gaps between keys). This removes some lint and dust. 
• Shut down the laptop, remove the battery and cable for a moment, press and hold the start button for 60 seconds
• Replace the battery, restart the notebook,
• if the issue persists, perform an interactive hardware test on the keyboard using the steps mentioned on this link: Click here (look under "Running Component Tests > Keyboard test").

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