Dell Inspiron 24 7459 Service Manual - Page 55
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 www.dell.com/regulatory_compliance. NOTE: Your computer's Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board. NOTE: Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. 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 the cables correctly after you replace the system board. Prerequisites 1 Remove the memory module. 2 Remove the base cover. 3 Remove the wireless card. 4 Remove the computer base. 5 Follow the procedure from step 1 to step 4 in "Removing the hard drive". 6 Remove the mSATA card . 7 Remove the heat sink. Procedure 1 Disconnect the fan cable from the system board. 2 Peel off the tape from the USB-board cable. 55