HP Elite 8300 HP Compaq Business PC Maintenance and Service Guide Elite 8300 S - Page 123

Power Supply Description Power supply, 320W, 90% efficient Power supply, 320W Spare part number 613764-001 613765-001 WARNING! To reduce potential safety issues, only the power supply provided with the computer, a replacement power supply provided by HP, or a power supply purchased as an accessory from HP should be used with the computer. The power supply is secured to the rear of the chassis by four Torx screws. A lever on the chassis floor also holds the power supply in place. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 72). 2. Remove the computer access panel (Access Panel on page 73). 3. Disconnect all power cables from the system board as follows: ● white 4-pin PWRCPU ● white 6-pin PWR ● white 6-pin PWRCMD 4. Remove the power cables from the white plastic clamp on the chassis floor. 5. Remove the four Torx screws (1) that secure the power supply to the chassis. 6. Press the tab (2) in front of the power supply, slide the power supply toward the front of the computer, and then lift the power supply out of the chassis (3). Figure 6-38 Removing the power supply 112 Chapter 6 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis