21.Remove the RTC battery (2).
NOTE: Removing the RTC battery and leaving it uninstalled for 5 or more minutes causes all passwords and CMOS settings to be cleared.
22.Turn the computer upside down, with the front toward you.
23.Remove the three Phillips PM2.5×17.0 screws that secure the keyboard to the computer.
24.Turn the computer
25.Open the computer as far as possible.
26.Release the top edge of the keyboard by lifting it up to disengage the keyboard from the tabs on the switch cover.
27.Lift the top edge of the keyboard until it rests at an angle (1).
8 | Chapter 1 Removal and replacement procedures | ENWW |