Solved Laptop's keyboard not responding

My laptop’s keyboard suddenly stopped working. None of the keys respond when I press them, but the touchpad works fine. I’ve tried restarting the laptop and even connecting an external keyboard, which works perfectly. This is a major problem for me since I need to type a lot for my job.
 
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if the external keyboard is working, it is possible that this is an hardware issue, if ure lucky, probably the keyboard's ribbon connector is disconnected

watch a yt video and take it apart, otherwise take it to the service center
 
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