– Any damage caused during this upgrade might void the warranty.
– Check the spec from where you purchased the notebook.
– This video is applied to MSI GE62, GP62, GL62, WE62, PE60, CX62, and CR62 Series.
– Some models have a slim type of bottom cover so they have no optical disk drive (ODD).
“Reset EC” is to cut-off the power from the battery to avoid any damage from the short-circle.
After all the upgrade processes, you need to plug in the AC power adapter to power on the notebook because the battery power is cut-off by “Reset EC”.