Air back from repair, now no keyboard backlight

[JamesBerry]

I got my air (rev A) back from repair yesterday. I have just noticed the keyboard backlight doesn't seem to be working. I have tried lab tick (didn't use it before), and can't get that to do anything either.

At the repair they replaced:

SVC, DISPLAY CLASHELL Part 661-4590
PCBA, MLB, 1.8GHZ Part 661-4644

I don't know if this problem is related to the repair or not. Anything I can try before I book it back in with Apple? :-(

 

[pvmacguy]

Did they replace the whole upper lid assembly? Maybe if they did it has a faulty ambient sensor?

 

[JamesBerry]

I believe they did, but I can put my finger over the sensor and the screen dims. Just the keyboard doesn't light up!

 

[MacModMachine]

I believe they did, but I can put my finger over the sensor and the screen dims. Just the keyboard doesn't light up!

somthing is not hooked up or the logic board has an issue.

 

[Scottsdale]

Sorry if you already know this and the light is not connected.

But have you tried turning the light up? It may just be turned down. Hit the brighten key a few times.

I remember not knowing with my first MBP.

Just a thought. Sorry if you already know this.

 

[JamesBerry]

Yes, I have tried to turn it up.. oh well, back to the apple store on Saturday!