Lenovo ThinkCentre A70 Hardware Maintenance Manual for ThinkCentre A70 - Page 123
the release button, slide the power supply assembly a little bit forward, and then remove the power
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Figure 56. Removing the heat sink fan duct 5. Disconnect the power supply assembly cables from all drives and from the 24-pin power connector and 4-pin power connector on the system board. See "Locating parts on the system board" on page 99. Note: You might also need to release the power supply assembly cables from some cable clips or ties that secure the cables to the chassis. Make sure that you note the cable routing before disconnecting the cables. 6. At the rear of the computer, remove the three screws that secure the power supply assembly. Press the release button 1 , slide the power supply assembly a little bit forward, and then remove the power supply assembly from the computer. Chapter 9. Replacing FRUs (Machine Types: 0889, 5023, and 7844.) 117