Acer Nitro 5 Lifecycle Extension Manual page 12

DIMM Modules Removal
Prerequisite:

Remove the screw securing the DDR shielding to the mainboard.
1.
Release the DDR shielding from the clips, and then remove it from the mainboard.
2.
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Battery Removal on page
Figure 1-9. Removing the Screw
Figure 1-10. Removing the DDR Shielding
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Disassembly Procedures