My key­board is not a morn­ing per­son

Mac Format - - APPLE TALK -

I have a MacBook Pro, which has served me well for sev­eral years. It orig­i­nally ran Lion and has been up­dated to Moun­tain Lion, but I have re­sisted go­ing fur­ther in case I over­stretch the MacBook’s ca­pa­bil­i­ties.

One thing I have no­ticed though is that the built-in key­board and track­pad of­ten don’t work when I start up in the morn­ing or re­sume from sleep.

I have searched online and done all the rec­om­mended ac­tions, in­clud­ing re­set­ting the PRAM and SMC, and restor­ing Lion. Would up­grad­ing the sys­tem to Mav­er­icks or Yosemite help? Olivier Par­men­tier This sounds more like a hard­ware than a soft­ware prob­lem to me. The 2008 MacBook Pro, for ex­am­ple, has a rib­bon ca­ble for the key­board and track­pad that runs un­der­neath the bat­tery. This can come slightly loose over time and cause an in­ter­mit­tent con­nec­tion. Ini­tially this can look like a soft­ware er­ror be­cause slight ther­mal ex­pan­sion can cause the con­nec­tion to only break when the Mac is warm – or, al­ter­na­tively, only when it has been shut down for a while and is cold.

Try re­mov­ing the bat­tery and gen­tly prod­ding the rib­bon ca­ble with your fin­ger. If the key­board starts (or stops) work­ing as you do this, then you’re on to some­thing. I have found that some­times just tap­ing a small square of tis­sue pa­per, to ap­ply a lit­tle ex­tra pres­sure on the ca­ble while the bat­tery is in­stalled, can be enough to buy you a bit more life from your MacBook.

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