Dell Inspiron M421R Owner's Manual

Also see for Inspiron 5420: Quick start guide Owner's manual Quick start guide Quick start guide Setup and features information

Contents

Dell Inspiron M421R Owner's Manual Manual pdf 61 page image

Replacing the Coin-Cell Battery | 6025 Replacing 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 8. For additional safety best practices information, see the RegulatoryCompliance Homepage at dell.com/regulatory_compliance.WARNING: The battery may explode if installed incorrectly. Replace the batteryonly with the same or equivalent type. Discard used batteries according to themanufacturer’s instructions.ProcedureWith the positive-side facing up, snap the coin-cell battery into the battery socket on thesystem board.Postrequisites1 Follow the instructions from step 4 to step 7 in "Replacing the System Board" onpage 102.2 Replace the fan. See "Replacing the Fan" on page 64.3 Replace the speakers. See "Replacing the Speakers" on page 68.4 Follow the instructions from step 5 to step 8 in "Replacing the Hard Drive" onpage 38.5 Follow the instructions from step 4 to step 5 in "Replacing the Optical Drive" onpage 42.6 Replace the memory module(s). See "Replacing the Memory Module(s)" on page 32.7 Replace the palm rest. See "Replacing the Palm Rest" on page 48.8 Replace the keyboard. "Replacing the Keyboard" on page 24.9 Replace the base cover. "Replacing the Base Cover" on page 28.10 Replace the battery. "Replacing the Battery" on page 18.11 Follow the instructions in "After Working Inside Your Computer" on page 10.