Jak wyłączyć uszkodzoną kartę GPU w macbook-pro-2011

[Alpha01]

Reset SMC

Shutdown, unplug everything except power and hold

leftShift + Ctrl + Option + Power
I holded for 5 seconds, but holding just for an instant should work

Reset NVRAM: Power up and hold

Command + Option + p + r
Until you hear the startup chime two times.

Shutdown computer


Power up and boot into Single User Recovery by holding

if you are on high sierra 10.13.6+ you might need to use Command + r instead

Command + r + s
Disable SIP (This takes a bit to complete so wait for it)

csrutil disable


Disable Discrete GPU on boot by running

nvram fa4ce28d-b62f-4c99-9cc3-6815686e30f9:gpu-power-prefs=%01%00%00%00


Enable verbose boot mode (This will show text everytime you boot up, shutdownor restart your mac)

nvram boot-args="-v"

Reboot