Dell XPS /Dimension Gen 2 Service Manual - Page 25

6. Replace any components and cables that you removed from the system board. Reconnect all cables to their connectors at the back of the computer. 7. Close the computer cover. NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer. 8. Connect your computer and devices to electrical outlets, and turn them on. Power Supply CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual. Removing the Power Supply NOTICE: Before disconnecting a device from the computer, wait 10 to 20 seconds after disconnecting the computer from its electrical outlet. Before removing a component from the system board, verify that the standby power light on the system board has turned off. To locate this light, see "System Board Components." 1. Follow the instructions in "Before You Begin." 2. Open the computer cover. 3. Remove the card and the card fan. 4. Disconnect the power supply cables and the card fan cable. 5. Remove the card fan guide: a. Pull up on the fan-guide release button. b. Slide the card fan guide to the right. c. Lift the card fan guide out of the four securing slots in the computer. 6. While pressing the power-supply release button, slide the power supply toward the back of the computer.