Dell Vostro 3681 Service Manual page 56

8. Install the HDD/ODD Bracket.
9. Install the front bezel.
10. Install the side cover.
11. Follow the procedure in
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.
56 Disassembly and reassembly
After working inside your computer.