Laptop unresponsive keys

Arodri93

Honorable
Aug 7, 2013
7
0
10,510
0
I have owned this Lenovo z400 laptop for 2 years and yesterday the left shift key, capslock, G, and H keys became unresponsive. At first the G and H keys were outputting 4 and 7 respectively. Then later that day they became completely unresponsive. After looking for an answer I have tried the following:

Check if numlock was on.
Uninstalled and reinstalled drivers.
Cleaned keyboard.
Remove keyboard and clean the ribbon connectors 3 times.
Used an external keyboard that worked fine.

What can I do to fix this?
Is there a way I can find which pin is faulty(if that is the case)?

Bonus:
What keyboard do you recommend for the time being(onscreen keyboard is awful)?
 
Hi,

You've pretty much done all the possible troubleshooting steps with your keyboard and you're left with few steps:
- I would suggest running a complete factory reset with your PC and see if that will solve the problem.
- If it will not solve the problem the only solution would be to replace the keyboard itself.
- For the meantime just use and external USB keyboard that should work just fine.
 
Hi,

You've pretty much done all the possible troubleshooting steps with your keyboard and you're left with few steps:
- I would suggest running a complete factory reset with your PC and see if that will solve the problem.
- If it will not solve the problem the only solution would be to replace the keyboard itself.
- For the meantime just use and external USB keyboard that should work just fine.
 

Arodri93

Honorable
Aug 7, 2013
7
0
10,510
0


I am more and more convinced that it is a hardware issue since other keyboards work fine and factory reset did not work. I guess my only choice is to order a replacement.

Were do you recommend I purchase it?
If the new part does not work would I be able to return it?

I would still love to be able to fix this for free if you ave any suggestions I have plenty of time to test them out. Like perhaps if I knew the keyboard pin layout I could know which pin is faulty.
 

Arodri93

Honorable
Aug 7, 2013
7
0
10,510
0


Thanks so much. I ordered from ebay thanks to you. The bad part is I will never know how it happened.
 
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