Adjust the retainer on the M.2 adapter
Use this information to adjust the retainer on the M.2 adapter.
About this task
Sometimes you need to adjust the M.2 drive retainer to a correct keyhole that can accommodate the 
particular size of the M.2 drive you wish to install.
Attention: 
•  Read “Installation Guidelines” on page 185 to ensure that you work safely.
•  Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static- 
sensitive components in their static-protective packages until installation, and handling these devices with 
an electrostatic-discharge wrist strap or other grounding system.
A video for this task is available at:  
•  Youtube: 
https://www.youtube.com/playlist?list=PLYV5R7hVcs-DqVplE36HIvdM_sq_Auw3U
•  Youku: https://list.youku.com/albumlist/show/id_59643657.html
Procedure
Figure 192. M.2 retainer adjustment
Step 1.  Press both sides of the retainer.
Step 2.  Move the retainer forward until it is in the large opening of the keyhole.
Step 3.  Take the retainer out of the keyhole.
Step 4.  Insert the retainer into the correct keyhole.
Step 5.  Press both sides of the retainer.
Step 6.  Slide the retainer backwards (toward the small opening of the keyhole) until it is seated in place.
Chapter 4. Hardware replacement procedures 247