Q: Network boot black screen

Hi guys,

I'm having a problem running network boot on my MB Pro (Model A1398). When I press N during boot I hear a start chime and then all I get is a black screen. So far I tried:

resetting PRAM
resetting SMC
using option during boot (there's no network boot option)
selecting network boot from System Preferences -> Startup disk (same effect - black screen)
using internet recovery (same effect)
updating to latest El Capitan

And still no effect. Is there something else I should try? It's definitely some issue with this machine, since on another one network boot and/or internet recovery works like a charm. Please help.

MacBook Pro with Retina display, OS X El Capitan (10.11.4)

Posted on May 10, 2016 12:52 AM

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Q: Network boot black screen

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by alex_h1,

alex_h1 May 11, 2016 7:15 AM in response to bagienny
Community Specialists

May 11, 2016 7:15 AM in response to bagienny

Hello bagienny,
Thanks for using Apple Support Communities.

I understand you're unable to start from a NetBoot server. I suggest your server admin follows through the steps in the link below.

If your NetBoot clients can‘t start up from the server

Take care.
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by bagienny,

bagienny May 11, 2016 8:38 AM in response to alex_h1
Level 1 (4 points)

Notebooks

May 11, 2016 8:38 AM in response to alex_h1

This is a solution for other problem. Let me tell you why - normally, even if the computer isn't connected to any wired network, booting it with pressed N key results in black screen with a blinking globe which indicates waiting for DHCP to assign an address. In my case with network connected or not all i get is the black screen. Like the part of the operating system responsible for PXE boot process was corrupt.
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Q: Network boot black screen

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by alex_h1,

by bagienny,

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