Dell Vostro 3267/3268 Owner's Manual

Removing the system board

1. Follow the procedure in Before working inside your computer.
2. Remove the
   1. cover
   2. bezel
   3. expansion cards
   4. memory module
   5. cooling shroud
   6. hard drive assembly
   7. optical drive
   8. WLAN card
   9. heat sink assembly
   10. power supply unit
   11. system fan
   12. coin cell battery
3. Disconnect the cables from the system board:
   
4. Follow the steps to release the I/O panel:
   1. Remove the 6-32xL6.35 screw that secures the I/O panel to the chassis [1].
   2. Press the tab to release the I/O panel from the chassis [2].
   3. Pull the I/O panel to release the I/O panel.
   
5. Follow the steps to remove the system board:
   1. Remove the 6-32xL6.35 screws that secure system board to the chassis [1].
   2. Lift the system board from the chassis.