HP Envy 17 Series Maintenance And Service Manual page 50

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2. Remove the four Phillips PM2.0×3.0 screws (1) that secure the system board to the computer.
3. Lift the right side of the system board (2) until the USB/audio board cable and connector are accessible.
4. Disconnect the USB/audio board cable from the connector under the system board. See
on page 46
5. Remove the system board.
Reverse this procedure to install the system board.
42 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
for cable removal instructions.
USB/audio board