Acer AT350 F1 - Manual (Page 49)

37
(1) Use the lever to push the HDD carrier in the empty bay until it
locks into place.
(2) Close the HDD carrier lever.
(3) Lock the HDD carrier.
3.5-inch HDD with carrier
2.5-inch HDD with carrier
5 Close the bezel door.
6 Observe the post-installation instructions on page 27.