Dell XPS /Dimension Gen 4 Service Manual

Contents

1. Follow the procedures in "Before You Begin."2. Open the computer cover.3. Remove any components that restrict access to the system board.4. Disconnect all cables from the system board.5. Before you remove the existing system board assembly, visually compare the replacement system board to the existing system board to make sure thatyou have the correct part.6. Remove the system board screw..7. Pull up on the two tabs, slide the system board assembly toward the front of the computer, and then lift the assembly up and away.8. Place the system board assembly that you just removed next to the replacement system board.Replacing the System Board1. Transfer components from the existing system board to the replacement system board:a. Remove the memory modules and install them on the replacement board.b. Remove the heat-sink assembly and processor from the existing system board and transfer them to the replacement system board.2. Configure the settings of the replacement system board.3. Set the jumpers on the replacement system board so that they are identical to the ones on the existing board.4. Orient the replacement board by aligning the notches on the bottom of the board with the tabs on the computer.5. Slide the system board assembly toward the back of the computer until the assembly clicks into position.6. Replace any components and cables that you removed from the system board.7. Reconnect all cables to their connectors at the back of the computer.8. Close the computer cover.CAUTION: The processor package and heat-sink assembly can get hot. To avoid burns, ensure that the package and assembly have had sufficienttime to cool before you touch them.NOTE: Some components and connectors on the replacement system board may be in different locations than the corresponding connectors on theexisting system board.