Dell Inspiron 5490 Service Manual - Page 53

4. Connect the coin-cell battery cable and the speaker cable to the connectors on the system board. 5. Connect the power-adapter port cable to the system board and close the latch. 6. Connect the I/O-board cable to the system board and close the latch. Next steps 1. Install the display assembly. 2. Install the heat sink (for integrated graphics) or the heat sink (for discrete graphics). 3. Install the wireless card. 4. Install the memory module. 5. Install the solid-state drive. 6. Install the battery. 7. Install the base cover. 8. Follow the procedure in After working inside your computer. Palm-rest and keyboard assembly Removing the palm-rest and keyboard assembly Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. 4. Remove the memory module. 5. Remove the solid-state drive. 6. Remove the wireless card. 7. Remove the I/O board. 8. Remove the touchpad. 9. Remove the fan. 10. Remove the display assembly. 11. Remove the coin-cell battery. 12. Remove the speakers. 13. Remove the power-adapter port. 14. Remove the power-button board or the power-button with fingerprint reader. 15. Remove the system board. NOTE: The system board is removed and installed with the heat sink attached, when replacing the palm-rest and keyboard assembly. This simplifies the procedure and avoids breaking the thermal bond between system board and the heat sink. About this task After performing the preceding steps, you are left with the palm-rest and keyboard assembly. Removing and installing components 53