MacBook Air not booting, Boot loader not available, Internet recovery not available

bootinternet-recoverymacbook propartitionrecovery

Recently I tried to factory reset my Mid 2012 MacBook Air. In order to do that:

  1. I booted into Recovery mode with Command + R.

  2. Then navigated to Disk utility and Erased Macintosh HD.

  3. Then I restarted the Mac and booted into Recovery mode again (Command + R). Now clicked on Reinstall macOS.

  4. It asked me to log in with Apple ID. I logged in with my Apple ID. (Before resetting, MacBook is running OS X El Capitan, and logged in with my friend's Apple ID).

  5. After logging in, it shows an error: This Item is Temporarily Unavailable.

  6. I tried to install via Internet Recovery Mode (Command + Option + R). But not able to enter Internet recovery mode.

    I also created a bootable USB drive and tried to install macOS High Sierra. Tried to open boot options by holding Option key while starting the Mac. But still boot option was not available.

  7. I really ran out of options, so I followed the procedure outlined in the link, which involves simply making a bootable USB drive and restoring it to Macintosh HD.:

  8. Then I tried to boot again, got prohibitory symbol.

  9. Then tried to boot into recovery mode, but unable to boot into recovery or to macOS.

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Now, I do not have any other option to fix my Mac. Please advice on how can I fix this. I'm in desperate need to fix this.

I tried all the above using an external USB keyboard as well.

Updated:

I even tried to clear NVRAM with Option + Command + P + R. but not luck at all.

Looks like most of the key combinations are not working while booting.

Best Answer

I think I had one such MacBook Air. It was permanently resolved by replacing the LCD assembly at AASP as the warranty was active - it did essentially qualify for DOA (wtf? - still do not know the possible answer to that)

Workaround was to get the system in the target mode (T at startup and connect with a Thunderbolt cable to some other Mac) and install the MacOS from a good source. ASD may help to point the finger to the dead part in need of replacement.

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