Removing the Coin-Cell Battery | 43Removing the Coin-Cell BatteryWARNING: Before working inside your computer, read the safety informationthat shipped with your computer and follow the steps in "Before You Begin" onpage 9. After working inside your computer, follow the instructions in"After Working Inside Your Computer" on page 11. For additional safety bestpractices information, see the Regulatory Compliance Homepage atdell.com/regulatory_compliance.CAUTION: Removing the coin-cell battery resets the BIOS settings to default.It is recommended that you note the BIOS settings before removingthe coin-cell battery.Prerequisites1 Follow the instructions from step 1 to step 7 in "Removing the Base Cover" onpage 12.2 Remove the speakers. See "Removing the Speakers" on page 22.3 Remove the battery. See "Removing the Battery" on page 25.4 Remove the mSATA/WWAN card. "Removing the mSATA/WWAN Mini-Card" onpage 34.Procedure1 Disconnect the coin-cell-battery cable from the I/O-board.2 Note the coin-cell-battery cable routing and remove the cable from the routingguides on the palm-rest assembly.3 Peel the coin-cell battery off the palm-rest assembly.4 Lift he coin-cell battery along with its cable off the palm-rest assembly.1 routing guides 2 coin-cell battery3 coin-cell-battery cable231