Lenovo ThinkStation P900, Hardware Maintenance Manual, Page: 132 / 218

• If you are replacing a storage drive, do the following:
a. Remove the front-access storage enclosure from the optical drive bay. See “Removing and
installing a device in an optical drive bay” on page 130.
b. Open the cover of the front-access storage enclosure. See step b. on page 117.
c. Open the handles on both sides of the hard disk drive bracket. Then, pull the bracket with the
storage drive out of the front-access storage enclosure.
d. Remove the storage drive from the bracket. See step 5 on page 119.
6. Install the new storage drive into the storage drive bracket. See step 6 on page 120.
7. Note the orientation of the connector on the storage drive and you might need to turn over the bracket.
Then, slide the bracket with the new storage drive into the front-access storage enclosure until it snaps
into position.
8. Close the handles on both sides of the hard disk drive bracket. Then, close the cover of the front-access
storage enclosure. See step 8 on page 118.
9. Install the front-access storage enclosure into the optical drive bay. See “Removing and installing
a device in an optical drive bay” on page 130.
10. Reinstall the direct cooling air baffle. See “Removing and reinstalling the direct cooling air baffle” on
page 128.
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 183.
Installing or replacing an M.2 solid-state drive
Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 “Read this first: Important safety information” on page 1.
To install or replace an M.2 solid-state drive, 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 111.
3. Lay the computer on its side for easier access to the flex adapter slots.
4. Locate the flex adapter slots. See “Locating parts on the system board” on page 34.
Note: If your computer is not installed with a flex adapter, ensure you install flex adapters into the flex
adapter slot 1 first, and then the flex adapter slot 2.
5. In the flex adapter slots or the new flex adapter package, locate the flex adapter with two M.2 slots
on which you want to install or replace an M.2 solid-state drive.
6. Depending on whether you are installing or replacing an M.2 solid-state drive, do one of the following:
• If you are installing an M.2 solid-state drive, do the following:
a. Remove the flex adapter if it is installed in a flex adapter slot. See “Installing or replacing a
flex adapter” on page 146.
b. Locate the M.2 slot into which you want to install an M.2 solid-state drive on the flex adapter.
Note: If the flex adapter is new, ensure that you install M.2 solid-state drives in the numerical
order printed on the flex adapter (SLOT 1 and SLOT 2).
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ThinkStation P900 Hardware Maintenance Manual