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Hmm. As far as i know nothing. I bought it like this from another guy at my college who just bought another one. I suppose the keyboard or trackpad could have suffered some light liquid damage that i wasn't told about but it shows absolutely no signs of any liquid. Also some how i forgot to...
[solved]MacBook Air Mid 2013 820-3437 No Keyboard and Mouse in OS But works in Option menu
I have a Mid 2013 MacBook Air with the 820-3437-A motherboard. Keyboard and Trackpad are not recognized in OS X but does work fine under the boot menu and ASD EFI. I have tried a fresh install of OS X but...
I have tried pushing on each of the chips individually and booting the machine to no avail and the machine shows no signs of being dropped. I'm pretty sure of no water damage no signs of any damage to the board.
So i have a 2011 MacBook Air with the 820-3023 motherboard. Board turns on fine but has 3 beeps indicating a ram error. Board never had any liquid damage to it. Ram is getting the proper voltage so I think I have pretty much narrowed it down to a bad ram chip and figured I would ask you guys if...