Installing The Power And Osd Buttons Board; Coin Cell Battery; Removing The Coin Cell Battery - Dell OptiPlex 7440 All-In-One W11C Owner's Manual

Installing the power and OSD buttons board

1. Connect the cable to the power and OSD buttons board.
2. Affix the tape on the OSD buttons board.
3. Insert the power and OSD buttons board into the slot.
4. Align the metal plate on the power and OSD buttons board.
5. Tighten the screw to secure the power and OSD buttons board.
6. Install the:
a) optical drive
b) back cover
c) stand
7. Follow the procedure in

Coin cell battery

Removing the coin cell battery

1. Follow the procedure in
2. Remove the:
a) stand
b) back cover
c) system board shield
3. Press the latch to release the coin cell battery and remove it from the computer.
After working inside your computer.
Before working inside your computer.
Disassembly and reassembly 55