Acer Altos R520 M2 Series User Manual page 85

1 Perform the pre-installation instructions described on page 36.
2 Remove the air duct. Perform the instructions described in "To
remove the air duct" section on page 41.
3 Locate the DIMM slots on the mainboard.
4 Install the memory module.
(1) Align then insert the DIMMs into the sockets.
(2) Push the DIMM to the socket until the retaining clips snap
inward.
Note: The DIMM slot is slotted to ensure proper installation. If
you insert a DIMM but it does not fit easily into the socket, you
may have inserted it incorrectly. Reverse the orientation of the
DIMM and insert it again.
5 Observe the post-installation instructions described on page 36.
6 Reconfigure the system memory. See 'To reconfigure the system
memory" section on page 69 for more information.
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