Dell OptiPlex 3000 Thin Client Service Manual page 48

a. Use the folding lines on the mylar sheet to fold the mylar sheet.
b. Insert one end of the mylar sheet under the RTC socket.
c. Insert another end of the mylar sheet under another side of the RTC socket.
3. Align and place the speaker holder into the speaker holder slot on the system board.
4. Replace the screw (M3x5) to secure the speaker holder to the system board.
Next steps
1. Install the heat sink.
2. Install the WLAN card.
3. Install the memory .
4. Install the solid-state drive
5. Install the speaker.
6. Install the side cover.
7. Follow the procedure in
48 Removing and installing components
assembly.
after working inside your computer.