11.05.2009 06:05 Uhr, Quelle: Hardmac.com

Deep Sleeping Mode Problem when Replacing SuperDrive with HD or SSD

More and more users decided to remove their optical drive unit, aka SuperDrive, in their Macbook/Macbook Pro Unibody to install a second storage unit, either a disc-based HD or a SSD. Indeed, optical media are not as popular as it used to be in the past. Over the time, we noticed that when replacing the SuperDrive by a HD/SSD, we were experiencing problems with the deep sleeping mode. this is the  case if you decide to install the booting volume on the storage unit replacing the SuperDrive. If you turn your computer into the deep hibernation mode, the Mac will not go into sleep mode, fan will start spinning full speed and your battery will be drained quickly. You have 2 solutions to solve this problem: Install the system booting volume of the HD/SDD located near the battery, if necessary swap location of your 2 HDs/SSDs. Inactivate the "deep sleeping mode", and only use the standard sleep mode. You simply need to enter and execute the following command line in th

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