Installing The Battery - Dell Alienware m18 R2 Owner's Manual

About this task
NOTE: This computer is designed without an RTC coin-cell battery. After a service incident where the computer battery is
disconnected, when the battery is fully discharged, or when the computer is reassembled and turned on, an RTC reset cycle will
occur. When an RTC Reset cycle occurs, the computer turns on and off three times. An "Invalid Configuration" error message
is displayed prompting you to enter the BIOS and configure the date and time. The computer starts functioning normally after
setting the date and time.
NOTE: Removing the battery resets the BIOS setup program settings to default. It is recommended that you note the BIOS
setup program settings before removing the battery.
The following image indicates the location of the battery and provides a visual representation of the removal procedure.
Steps
1. Peel the tape that secures the battery cable to the system board.
2. Disconnect the battery cable from the connector (BATT1) on the system board.
NOTE: Step 1 and step 2 are applicable only if the battery cable has not been disconnected.
3. Remove the four screws (M2x3) that secure the battery to the palm-rest and keyboard assembly.
4. Lift the battery off the palm-rest and keyboard assembly.

Installing the battery

CAUTION: The information in this installation section is intended for authorized service technicians only.
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
The following image indicates the location of the battery and provides a visual representation of the installation procedure.
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