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I have a 2016 MacBook Pro running Sierra and the screen has gone black. I'm using my HDTV now for an external monitor. I want to do a diagnostics test to find out what to fix. But the external monitor doesn't work when I try to run the diagnostics, so I can't see the results. Also screen sharing works but not when I try to run diagnostics. I have tried holding D key at startup and also Option-D. I have tried SNC reset, PRAM reset, booting from an external drive, all the usual. Does anyone have a workaround? Thanks!

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This may not work in diagnostics recovery mode, but its worth a try.

After booting into diagnostics mode with the D key at boot, try pressing Command and F5 keys, to activate voicover utility. Then, navigate the utility using voiceover.

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  • Well, I never would have thought of that one! Worth a try, as you say. Thanks, Dan! – silentrebel Jan 1 at 15:43
  • I tried to activate the voiceover thing, but on the diagnostics run, the touch strip doesn't illuminate! Oh well... – silentrebel Jan 2 at 5:51

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