3 key (tab capslk and shift ) not working in lenovo laptop

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Hello,

in my lenevo laptop 3 key(tab capslk and shift)(left side on key board) is not working.please help me to diagnose this problem.

thanks
nitu




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Posts
3569
Registration date
Friday February 6, 2015
Status
Moderator
Last seen
July 18, 2016
869
I suggest you to try with external keyboard if it pass the test then your laptop keyboard may be loose contact or faulty one..
contact a technician..