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Dell Latitude 3390 - I;O Board and Touchpad Procedures

Dell Latitude 3390
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Installing the speakers
Steps
1. Insert the speakers into the slot on the laptop.
2. Route the speaker cable through the cable routing clips.
3. Paste the Mylar tape to secure the speaker cable on the system board.
4. Connect the speaker cable to the connector on the system board.
5. Install the:
a. LED board
b. battery
c. base cover
6. Follow the procedure in After working inside your computer.
Input-Output board
Removing the Input-Output board
Steps
1. Follow the procedure in Before working inside your computer.
2. Remove the:
a. base cover
b. battery
3. To remove the I/O board:
a. Peel and lift the plastic label of the I/O board cable [1].
b. Pull the copper lever to disconnect the I/O board cable on the system board [2].
Removing and installing components
27

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