Dell Inspiron 15 7572 Inspiron 15 7000 Service Manual - Page 46

32 Replacing the system board NOTE: 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 appropriate changes again after you replace the system board. Procedure CAUTION: To avoid damaging the system board, ensure that no cables are placed under it. 1. Align the screw holes on the system board with the screw holes on the palm rest and keyboard assembly. 2. Replace the five screws (M2x3) that secure the system board to the palm rest and keyboard assembly. 3. Slide the touch-pad cable and the keyboard-backlit cable into the connectors on the system board and close the latches to secure the cables. 4. Slide the keyboard cable and the status-light board cable into the connectors on the system board and close the latches to secure the cables. 5. Adhere the tape that secures the keyboard cable to the system board. 6. Connect the speaker cable to the system board. 7. Slide the display cable into the connector on the system board and close the latch to secure the cable. 8. Connect the power-adapter port cable to the system board. Post-requisites 1. Follow the procedure from step 4 to step 5 in "Replacing the hard drive". 2. Replace the solid-state drive. 3. Replace the heat sink. 4. Replace the fan. 5. Replace the wireless card. 6. Replace the memory module. 7. Replace the battery. 8. Replace the base cover. 46 Replacing the system board