Dell Inspiron 16 Plus 7620, Service Manual, Page: 44 / 69

Steps
1. Place the power button with optional fingerprint reader on the palm-rest and keyboard assembly.
2. Align the screw hole on the power button with optional fingerprint reader with the screw hole on the palm-rest and keyboard
assembly.
3. Replace the screw (M2x1.8) that secures the power button with optional fingerprint reader to the palm-rest and keyboard
assembly.
4. Adhere the Mylar back over the fingerprint-reader cable.
5. Connect the fingerprint-reader cable to the system board and close the latch.
Next steps
1. Install the power-button board .
2. Install the heat sink .
3. Install the left fan .
4. Install the base cover .
5. Follow the procedure in After working inside your computer .
System board
Removing the system board
Prerequisites
1. Follow the procedure in Before working inside your computer .
NOTE: Ensure that your computer is in Service Mode. For more information see, step 6 in Before working inside your
computer .
2. Remove the base cover .
3. Remove the memory module .
4. Remove the M.2 2230 solid-state drive or M.2 2280 solid-state drive , whichever applicable.
5. Remove the wireless card .
6. Remove the heat sink .
7. Remove the left fan.
8. Remove the right fan.
44 Removing and installing components