Contribution d'origine par : ABCellars ,
Disconnect and then reconnect the cables from the uppercase to the logic board. Make sure they are squarely in their sockets and all the way in. Then reset the PRAM and SMC. [http://support.apple.com/kb/ht1379|Click here] and [http://support.apple.com/kb/ht3964|click here] for instructions on the resets. Also look to see if there is any swelling on the battery.