Lenovo ThinkStation P720 Hardware Maintenance Manual page 122

b. Insert the new slim optical drive into the kit until you hear a click. The slim optical drive is secured in
place.
Figure 34. Installing the slim optical drive into the kit
5. Slide the kit into the flex bay and reconnect the cables.
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 220.
3.5-inch storage drive
To remove or install a 3.5-inch storage drive, do the following:
1. Prepare your computer. See "Preparing your computer and removing the computer cover" on page 103.
2. Ensure that all the cables are disconnected from the kit. Remove the kit from the front of the computer.
See "Device in the flex bay" on page 105.
3. Press the clip as shown to open the rear cover of the kit.
Figure 35. Opening the rear cover of the kit
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P720 Hardware Maintenance Manual