The GS66 Stealth offers huge improvements over its predecessor. Perhaps the biggest of them is the fact that you can easily upgrade your hardware.
1. Remove the bottom plate
In order to get inside of this notebook, there are 9 Phillips-head screws you need to undo. Keep in mind that one of them has a Factory seal, which may or may not void your warranty.
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https://laptopmedia.com/highlights/inside-msi-gs66-stealth-disassembly-and-upgrade-options/
