Put the laptop lid-down on a soft cloth or clean surface to avoid scratching the top cover.
Touch a grounded metal object or wear an anti-static wrist strap to prevent electrostatic discharge (ESD) from damaging the motherboard. acer nitro an515-54 service manual
: The AN515-54 typically features two DDR4 slots. The manual identifies the maximum capacity and proper seating method. Put the laptop lid-down on a soft cloth
A small (most internal and external screws). carefully reassemble the unit:
Locate and remove the 11 Phillips screws securing the bottom cover. Note that all 11 screws are identical in length, making reassembly easier.
Once your maintenance or upgrade steps are complete, carefully reassemble the unit: