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[* icon_caution] Before proceeding, unplug and power down your MacBook. Close the display and lay it on a soft surface, top-side down.
+[* icon_reminder] ***2015-2017 Macbook models only:*** To avoid logic board damage, when your MacBook repair is complete ''but before powering it on'', [guide|107711|connect it to low-voltage power] using a 5-Watt iPhone charger and a USB-C to USB-A cable.
[* black] Remove the following eight screws securing the lower case:
[* red] Two 1.8 mm P5 Pentalobe screws
[* orange] Four 2.9 mm P5 Pentalobe screws
[* yellow] Two 6.1 mm P5 Pentalobe screws
[* icon_reminder] Note the orientation of the screws as you remove them—they need to be reinstalled at a slight angle.
[* icon_reminder] Throughout this repair, [product|IF145-167-4|keep track of each screw|new_window=true] and make sure it goes back exactly where it came from to avoid damaging your device.