![](http://pdfasset.owneriq.net/c/b5/cb5a01a2-498e-48cf-8ac9-03b3145c1604/cb5a01a2-498e-48cf-8ac9-03b3145c1604-bg7d.png)
13. Tighten the memory module compartment cover screw (3).
14. Replace the batteries.
15. Turn the computer right-side up, and then reconnect external power and external devices.
16. Turn on the computer.
Adding or replacing a memory module in the expansion memory module slot 115