SOLVED MacBook Air 13" Late 2010 - Right and Down Arrow Keys not working

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Hi all

My son's laptop has suddenly lost the use of the right and down arrow keys.

I have done all I can think of - NVRAM/SMC / PRAM Reset, new installation of OS, safe mode ... nothing seems to work to bring them back.

Any ideas?

Thanks.

Cheers,
Claus.
 

Cory Cooper

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Hello and welcome.

Those are the normal troubleshooting steps that I would suggest. The only others would be to startup from an external hard drive with macOS, or connect a USB keyboard and see if those keys work on it. If they do work on the external keyboard, but still not on the Mac's built-in, then it is a hardware issue caused by simple failure, or physical/liquid damage in that area.

Hope that helps,

C
 
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Hi Cory

Thanks again for taking the time to reply.

Ok, I started the MacBook Air using a High Sierra installer and had the same problem. So its seems to be the keyboard for sure, will just replace it.

Many thanks for helping out!

Cheers,
Claus.
 

Cory Cooper

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No worries.

NOTE: You'll actually need to replace the entire upper case, which includes the keyboard. It is a very involved repair, and other internal components can be easily damaged. It isn't normally a user-serviceable part.

C
 
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Hi Cory

Why do you suggest I need to replace the upper case? I was just going to replace the keyboard after removing everything. I've seen some videos on that, VERY involved, especially the seemingly 10'000 screws ... but a nice challenge.

Cheers,
C.
 

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