![](http://pdfasset.owneriq.net/c/b5/cb5a01a2-498e-48cf-8ac9-03b3145c1604/cb5a01a2-498e-48cf-8ac9-03b3145c1604-bg81.png)
17. Tighten the 3 keyboard access screws.
18. Replace the batteries.
19. Turn the computer right-side up, and then reconnect external power and external devices.
20. Turn on the computer.
Upgrading a memory module in the primary memory module slot 119