Acer Aspire Predator G7700 Series User Manual page 110

98
5 Align the DIMM so that the notch on the slot fits the keyed edge of the
module, then press the module at both ends to seat it fully into the slot (1).
If you insert a DIMM but it does not fit easily into the slot, you have
inserted it incorrectly. Reverse the orientation of the module and insert it
again.
6 Firmly press the holding clips inward to lock the DIMM in place (2).
If the holding clips do not close, the DIMM is not properly inserted.
7 Observe the post-installation instructions described on page 85.
The system automatically detects the amount of memory installed. Run the
BIOS setup to view the new value for total system memory and make a
note of it.
6 Upgrading your computer