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Non-volatile random access memory; RAM that doesn't lose the stored information when the power is turned off, unlike traditional RAM

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How to get write access to High Sierra (APFS) drive in Read-Only mode on Macbook with faulty...

I've tried to outline the steps I followed as accurately as possible to help someone else: Disable the GPU on start up Boot into Single-User Mode (CMD + S) Executing the nvram command (in the terminal … ) to disable the GPU on boot nvram fa4ce28d-b62f-4c99-9cc3-6815686e30f9:gpu-power-prefs=%01%00%00%00 With High Sierra & APFS you won't be able to write to the file system at this stage. …
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How to get write access to High Sierra (APFS) drive in Read-Only mode on Macbook with faulty...

This answer was particularly useful and I managed to get as far as disabling the GPU on by setting the NVRAM variable: nvram fa4ce28d-b62f-4c99-9cc3-6815686e30f9:gpu-power-prefs=%01%00%00%00 The only …
Daniel's user avatar
  • 105