Dell Latitude 12–7275 Owner's Manual

Also see for Latitude 12-7275: Owner's manual

Contents

24Replacing the system boardWARNING: Before working inside your tablet, read the safety information that shipped with yourtablet and follow the steps in Before working inside your tablet. After working inside your tablet,follow the instructions in After working inside your tablet. For more safety best practices, see theRegulatory Compliance home page at www.dell.com/regulatory_compliance.NOTE: Your tablet’s Service Tag is stored in the system board. You must enter the Service Tag in theBIOS setup program after you replace the system board.NOTE: Replacing the system board removes any changes you have made to the BIOS using theBIOS setup program. You must make the desired changes again after you replace the system board.Procedure1. Align the screw holes on the system board with the screw holes on the back-cover assembly.2. Replace the screws that secure the system board to the back-cover assembly.3. Align the screw holes on the I/O bracket with the screw holes on the system board.4. Replace the screws that secure the I/O bracket to the system board.5. Slide in the headset-port cable, power-button board cable and display assembly cable into therespective connectors on the system board and press down the latches to secure the cables.6. Connect the speaker cables, camera cables, microphone cable, and coin-cell battery cable to therespective connectors on the system board.Post-requisites1. Replace the wireless card.2. Replace the solid-state drive.3. Replace the battery.38