Dell Vostro 5402 Service Manual - Page 62
Installing the power button with finger reader - UMA
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4. Remove the two screws (M2x2.5) that secure the power button with optional fingerprint reader to the palm-rest and keyboard assembly. 5. Lift the power button with optional fingerprint reader, along with the fingerprint reader cable, off the palm-rest and keyboard assembly. Installing the power button with finger reader - UMA Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The figure indicates the location of the power button with fingerprint reader and provides a visual representation of the installation procedure. Steps 1. Using the alignment post, place the power button with fingerprint reader on the palm-rest and keyboard assembly. 2. Replace the two screws (M2x2.5) to secure the power button with optional fingerprint reader to the palm-rest and keyboard assembly. 3. Plug the I/O cable into the connector on palm-rest and keyboard assembly and close the latch. 4. Plug the fingerprint reader cable into the connector on palm-rest and keyboard assembly. Next steps 1. Install the I/O board. 2. Install the system fan. 3. Install the coin-cell battery. 4. Install the M.2 2280 SSD card or M.2 2230 SSD card. 5. Install the battery (3-cell or 4-cell) based on the configuration. 6. Install the base cover. 7. Follow the procedure in after working inside your computer. 62 Disassembly and reassembly