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Current version by: Peter ,

Text:

I'm having the same issue with the same machine. The keyboard and trackpad just slowly stopped working. Sometimes they would work after a while but then stop completely randomly while typing and eventually stopped completely. The keyboard's background light is still working.
 
I ordered and put in a new trackpad cable, and it worked for a while but the system now shows me there's no trackpad or keyboard installed. SMC reset works with the internal keyboard, PRAM does not. However, when the machine is running, I can also perform this quick shutdown shortcut using Shift+Option+Command+Power Button. Any suggestions what I could try?
 
=== Update (01/08/2018) ===
 
I'm having the same problem with the trackpad and keyboard not working. I have already replaced the trackpad cable, to no avail... I can also reset the SMC when the machine is off, but I can also do this quick shutdown shortcut using shift-option-command and the power button, so these keys seem to work, even if the machine is running. I don't know if they are simply differently wired, but if those keys are working I feel like the rest of the keyboard should be working as well. However, it doesn't.

Status:

open

Original post by: Peter ,

Text:

I'm having the same issue with the same machine. The keyboard and trackpad just slowly stopped working. Sometimes they would work after a while but then stop completely randomly while typing and eventually stopped completely. The keyboard's background light is still working.

I ordered and put in a new trackpad cable, and it worked for a while but the system now shows me there's no trackpad or keyboard installed. SMC reset works with the internal keyboard, PRAM does not. However, when the machine is running, I can also perform this quick shutdown shortcut using Shift+Option+Command+Power Button. Any suggestions what I could try?

Status:

open