Compaq 470013-444 Deskpro EX Series of Personal Computers Maintenance&Serv - Page 52
Power Supply, Remove the screw that connects the power supply to the bottom of the unit
UPC - 720591804381
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4.14 Power Supply 1. Prepare the computer for disassembly (Section 4.2). WARNING: Power is continuous to the system board and power supply even when the power switch is turned off. To prevent damage to the unit, disconnect the power cord from the power source or the unit before beginning disassembly procedures. 2. Remove the computer cover (Section 4.3). 3. Disconnect all power cables from the mass storage devices and the system board. ✎ Power connectors are keyed for correct installation. Note the orientation of each cable connector and the routing of the cables to facilitate reassembly. 4. Place the computer on its side on a protected surface. 5. Remove the screw that connects the power supply to the bottom of the unit 1. 6. Remove the three screws that secure the power supply to the back of the chassis 2. 7. Slide the power supply toward the front of the computer, then remove it from the chassis 3. To replace the power supply, reverse the above procedure. 4-28 Removal and Replacement Procedures