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Dlynch249
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Posts: 15
Registered: ‎08-09-2015
Location: US
Views: 1,766
Message 1 of 5

Specific Keyboard Keys Not Working on X220 Tablet

So, I boot up my laptop and notice I can't type my password in, so I log in with my fingerprint, I open up notepad and notice that my 4 5 R T F G V B, Left Shift, and Left Ctrl keys all don't work. I also noticed that they're all keys that are staggered vertically (with the exception of the modifiers).

I went to a keyboard tester site to get a visual representation of the keys that don't work.

ASD.PNG

Notice the chunk in the middle of unhighlighted keys.

 

I've taken my laptop apart before, so I pulled out the keyboard and inspected the keyboard connector and socket and found no tarnishing, bent pins, etc on them.

Is there a way to diagnose if this is a keyboard or a motherboard issue?

Community SeniorMod
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Posts: 8,578
Registered: ‎01-01-2010
Location: US
Views: 1,674
Message 2 of 5

Re: Specific Keyboard Keys Not Working on X220 Tablet

It is almost certainly a keyboard problem.  There is a matrix of contacts in the keyboart and I am guessing to column connections have failed.


Rich


I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

I am not an employee or agent of Lenovo.
Dlynch249
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Posts: 15
Registered: ‎08-09-2015
Location: US
Views: 1,664
Message 3 of 5

Re: Specific Keyboard Keys Not Working on X220 Tablet

So, asides from trial and error with a new keyboard, there's no way, as of right now, to test what's wrong?

Community SeniorMod
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Posts: 8,578
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Location: US
Views: 1,650
Message 4 of 5

Re: Specific Keyboard Keys Not Working on X220 Tablet

There is no way unless you try a different keyboard or try your keyboard on a different machine.  T410, t420, t510, t520, w510, w520, x220 are all compatible, plus some others.


Rich


I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

I am not an employee or agent of Lenovo.
Dlynch249
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Posts: 15
Registered: ‎08-09-2015
Location: US
Views: 1,574
Message 5 of 5

Re: Specific Keyboard Keys Not Working on X220 Tablet

Alright, got a new keyboard and it seems to work.

I was afraid it was an issue with the connector on the motherboard there.

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