Recall apple macbook pro 20115/10/2023 What does it do? It tells the laptop to turn off discrete AMD graphics and to use Intel card. Mount -t efivarfs rw /sys/firmware/efi/efivars/ & This is the script I have used while booted to Arch Linux live cd. So far I've managed to use a EFI hack to disable the discrete AMD graphics. This laptop has a i7 cpu, 4 cores 8 threads, I've extended its memory to 8 GB and I keep trying to bring it back to life. I am not a wealthy person and I love to tinker with the hardware. Its a common fault in those machines and the users were offered a replacement - there was a special recall program which ended long before I got my hands on this laptop. The discrete graphics in the laptop (AMD Radeon HD 6750M) is dead. This machine as many of its generation was dumped because of a graphics fault. I own a MacBook Pro 2011 A1286 which I got as a freebie from a friend who saved it from the corporate dumpster.
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