Lenovo 7099U1U Hardware Maintenance Manual page 123

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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

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