Windows 10: Shift key not working both sides

This is the 2nd time this has happened, the first, about a year ago, righted itself but now it’s happened again. I tried all sorts last time but nothing worked. However, it sorted itself and I have had no problems in the past year. I don’t think it’s the keyboard: everything else works fine. Might be related to an update? Any advice gratefully received but I’m not very technical so reluctant to do anything major. Thanks

:)

 

Shift+c key not working

Hi Team,

My only left side shift+c key not working , if i type shift +c from right side it is working fine. Please suggest

 

left side shift and enter key, both not working.

left side shift and enter key, both not working.

 

Both shift keys

Hello.
I have problem with Lenovo Idea Pad 100 laptop (OS: WIN10). After replacing HDD into SSD I faced a strange problem. Both Shifts of the keyboard doesn‘t work .
I have tried to:

• Check if sticky keys are off. They are off.
• Connect external keyboard via USB port. Shift keys on external keyboard works good.
• Check the keyboard on online tester which indicates pressed buttons. It can‘t indicate press of the shift
• Change several different input languages. The problem is on all of them.
• Reinstall keyboard driver
• Check if connection is OK. It is OK.
• Tried to run computer without screws (I have read in one forum that screws could touch the keyboard from the bottom and it wouldn‘t operate normal)

I believe that keyboard is not damaged because connector damage could cause just exact part of keyboard failure, while it is impossible to do physical damage for both shifts. Any solutions?