OWC Data Doubler Installation
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2.2.5 Late 2008 15” MacBook Pro (5,1) and
Mid-2009 15" MacBook Pro (5,3 and 5,4)
IMPORTANT: be sure that your laptop is fully shut down and disconnected
from all cables, including the power cable. If you have a MacBook Pro
model 5,1 start with Steps 1-3. If you have a MacBook Pro model 5,3 or
5,3, skip ahead to Step 4.
1. Use the release lever (highlighted below in red) to release the battery cover,
then remove it (bottom photo). Recommended: Use the pull-tab on the
battery to remove it from the laptop, then set it aside.