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Model A1286. Released February 2011 / 2.0, 2.2, or 2.3 GHz Quad-core Intel Core i7 Processor

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How can I get back to root# command line read-write

I can only log in to my computer in command S single user mode due to GPU problems. I believe recently my computer updated or reinstalled high sierra 10.13.6 and now when I started up single user mode I am gettin -sh-3.2# instead of the :/root # , how can i go back to root command line? Fsck comes back OK, anything I type @ the -sh-3.2# returns command not found or device read only. Any Thoughts?

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Are you able to boot up in Target Disk Mode?

Restart your system and press the T key. You should see either a FireWire or Thunderbolt icon on your screen do you?

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Yes I see the FireWire /Thunderbolt icon.

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OK your GPU has failed, what you are seeing now is the Intel Iris graphics services within the CPU.

You need to alter your so it doesn’t try to use the D-GPU here’s more on it Macbook Pro 2011 GPU issue: SOLVED by dosdude1

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Lynn will be eternally grateful.
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