Dell Inspiron 14 3442 Owners Manual - Page 61
Removing the System Board, Prerequisites, Procedure
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Removing the System Board 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 dell.com/regulatory_compliance. NOTE: Your computer's Service Tag is stored in the system board. You must enter the Service Tag in the system setup after you replace the system board. NOTE: Replacing the system board removes any changes you have made to the BIOS using System Setup. You must make the desired changes again after you replace the system board. NOTE: Before disconnecting the cables from the system board, note the location of the connectors so that you can reconnect them correctly after you replace the system board. Prerequisites 1 Remove the battery. 2 Remove the optical drive. 3 Remove the base cover. 4 Remove the memory module(s). 5 Remove the wireless card. 6 Remove the hard drive. 7 Remove the keyboard. 8 Remove the palm rest. Procedure 1 Peel the tape that secures the display cable to the connector on the system board. 2 Lift the latch and, using the pull-tab, disconnect the display cable from the connector on the system board. 3 Peel the display cable from the fan. 4 Lift the latch and, using the pull-tab, disconnect the I/O-board cable from the connector on the system board. 61