Dell Precision Tower 7910 - Installing the PCIe card retention; Removing the System-Fan Assembly

4. Perform the following steps as shown in the illustration:
a. Unthread the cable from the latch [1].
b. Press and slide the latch out to release the PCIe card retention [2].
c. Lift and remove the PCIe card retention out of the computer [3].
Installing the PCIe card retention
1. Place the PCIe card retention in its slot and insert the latches.
2. Route the cables through latches.
3. Install the PCIe cards.
4. Install the computer cover.
5. Follow the procedures in After Working Inside Your Computer.
Removing the System-Fan Assembly
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove:
a. left cover
b. optical drive
c. PCIe card retention
d. memory shroud
3. Remove the screws that secure the optical-drive cage.
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