Removing And Reinstalling The Multi-Function Brackets - Lenovo ThinkStation P900 User Manual

4. Locate the optical drive bay into which you want to install an optical drive. See "Locating internal
drives" on page 7.
5. Press the clip underneath the plastic cover of the optical drive bay so that the cover is ejected out of the
bay. Then, remove the metal shield in the bay.
1. Note the orientation of the new optical drive. Then, slide the optical drive into the optical drive bay from
the front of the chassis until it snaps into position.
Figure 34. Installing the optical drive
2. Connect the cables to the optical drive.
Note: If you install a flex module or a front-access storage enclosure, you might need to connect the
cables to the device, a PCI card, or the system board. See "Locating parts on the system board"
on page 5.
3. Reinstall the direct cooling air baffle. See "Removing and reinstalling the direct cooling air baffle"
on page 94.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 125.

Removing and reinstalling the multi-function brackets

Attention: Do not open your computer or attempt any repair before reading and understanding the "Read
this first: Important safety information" on page v.
You computer is installed with two multi-function brackets. The brackets are used to secure the front fan
assembly, flex adapters, and full-length PCI Express cards. The bracket installed in the upper position of
the chassis also can be used to secure the power supply assembly.
To remove and reinstall either of the multi-function brackets, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Remove the computer cover. See "Removing the computer cover" on page 77.
3. If necessary, remove the direct cooling air baffle for easier operation. See "Removing and reinstalling
the direct cooling air baffle" on page 94.
4. Locate the multi-function bracket you want to remove. See "Locating components" on page 4.
5. If you are replacing the multi-function bracket installed in the upper position of the chassis, remove the
power supply assembly. See "Replacing the power supply assembly" on page 101.
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ThinkStation P900 User Guide