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 103 page image

Replacing the System Board | 10243 Replacing the System BoardWARNING: 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.Procedure1 Replace the screws that secure the daughter board to the system board.2 Replace the processor. See "Replacing the Processor" on page 96.3 Replace the processor heat-sink. See "Replacing the Processor Heat-Sink" onpage 106.4 Slide the connectors on the system-board assembly into the slots onthe computer base.5 Align the screw holes on the system-board assembly with the screw holes on thecomputer base.6 Replace the screws that secure the system-board assembly to the computer base.7 Connect the power-adapter port cable to the system-board connector.Postrequisites1 Replace the fan. See "Replacing the Fan" on page 64.2 Replace the speakers. See "Replacing the Speakers" on page 68.3 Follow the instructions from step 5 to step 8 in "Replacing the Hard Drive" onpage 38.4 Follow the instructions from step 4 to step 5 in "Replacing the Optical Drive" onpage 42.5 Replace the Mini-Card. See “Replacing the Mini-Card” on page 52.6 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. See "Replacing the Keyboard" on page 24.9 Replace the base cover. See "Replacing the Base Cover" on page 28.10 Replace the battery. See "Replacing the Battery" on page 18.11 Follow the instructions in "After Working Inside Your Computer" on page 10.