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I can't start my MacBook Pro 2017 using controlR, controloptionR, or shiftcontroloptionR.

For all combinations I only get the folder with a question mark shown.

What can it mean and how can I fix it?

  • did you try this Press and hold the Option key immediately after turning on or restarting your Mac. Release the Option key when you see the Startup Manager window. – Ruskes Sep 27 '18 at 20:06
  • In addition to @Buscar웃 's question, do you mean the command key instead of the Control key you're asking about? – Monomeeth Sep 28 '18 at 4:17
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This is pretty easy - the folder with a question mark means no bootable volume is connected to the computer despite what disk used to be the startup disk was in the past.

You'll want to connect to a WiFi or wired network and try booting to internet recovery or bring a known good bootable OS to this machine so you can boot to disk utility and see if the internal drive needs first aid or a wipe and erase.

To manually start up from macOS Recovery over the Internet, hold down Option-Command-R or Shift-Option-Command-R at startup.

Barring that, you'll need to seek hardware service if you don't have internet boot or a way to bring a bootable OS to this Mac.

The only one thing to try is resetting the NVRAM one time. Hold Command - Option - P - R at boot and make sure you hear the startup chime twice before letting go.

Apple support image showing option + command + P + R All the other commands won't help get you past the folder with a question mark.

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