Dell Precision 3650 Tower, Service Manual

Page: 48 / 70

Steps
1. Slide the rear I/O-ports on the system board into the rear I/O-slots on the chassis
2. Align the screw holes on the system board with the screw holes on the chassis.
3. Replace the eight screws (#6-32) that secure the system board to the chassis.
4. Route and connect all the cables to the connectors on the system board.
Next steps
1. Install the processor .
2. Install the processor fan and heat-sink assembly .
3. Install the coin-cell battery .
4. Install the graphics card .
5. Install the / M.2 2280 SSD .
6. Install the WLAN .
7. Install the memory module .
8. Close the PSU cage
9. Install the front bezel .
10. Install the side cover .
11. Follow the procedure in after working inside your computer .
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 that you have made to the BIOS using the BIOS setup
program. You must make the appropriate changes again after you replace the system board.
48 Disassembly and reassembly