Dell Studio 15z Service Manual - Page 45

Back to Contents Page System Board Assembly Dell Studio™ 1555 Service Manual Removing the System Board Assembly Replacing the System Board Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as the back panel) on the computer. CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™ is not covered by your warranty. CAUTION: To help prevent damage to the system board, remove the main battery (see Before Working Inside Your Computer) before working inside the computer. The BIOS chip in the system board contains the Service Tag, which is also visible on a barcode label on the bottom of the computer. The replacement kit for the system board includes media that provides a utility for transferring the Service Tag to the replacement system board. Removing the System Board Assembly 1. Follow the instructions in Before You Begin. 2. Remove the palm rest (see Removing the Palm Rest). 3. Remove the optical drive (see Removing the Optical Drive). 4. Disconnect the fan cable, AC adapter cable, USB cable, ExpressCard cables, and subwoofer cable from the respective system board connectors. 5. Remove the six screws that secure the system board to the computer base. 1 fan cable connector 3 AC adapter cable connector 5 ExpressCard cables 7 system board 2 screws (6) 4 USB cable connector 6 subwoofer cable connector 6. Remove the processor heat sink (see Removing the Processor Heat Sink). 7. Remove the processor (see Removing the Processor Module). 8. Remove the processor bracket from the system board.