Dell Inspiron 15 7557 Service Manual - Page 42
Removing the coin-cell battery, Prerequisites, Procedure
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Removing the coin-cell battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Removing the coin-cell battery resets the BIOS setup program's settings to default. It is recommended that you note the BIOS setup program's settings before removing the coin-cell battery. Prerequisites 1 Remove the base cover. 2 Remove the battery. 3 Follow the procedure from step 1 to step 3 in "Removing the hard drive". 4 Remove the keyboard. 5 Follow the procedure from step 1 to step 7 in "Removing the palm rest". Procedure 1 Disconnect the coin-cell battery cable from the system board. 42