- #Apple netboot alt how to#
- #Apple netboot alt mac os x#
- #Apple netboot alt mac os#
- #Apple netboot alt install#
How to fix this: Hopefully you have a spare HD that will work with your system (older SATA I or SATA II jumpered for SATA I). As to why your DVD is not working is related to the fact the system IS seeing the HD and expects it to load (which it can't).
#Apple netboot alt mac os#
I still suspect you have corrupted boot blocks and the installed Mac OS is likely corrupted as well, your description of how far into the boot cycle implies this. I still don't think you have a firmware issue here. Here's a small writeup on it: review last section. Revew the following Apple TN: Startup sequence and error codes, Here's another more detailed description from another source Peachpit-Macintosh Reference Guide.Īs to EFI, there's a lot of confusion as Apple's version is heavily modified. Since the BootConsole (ALT on boot) do not work at all, it is very likely to be the firmware.Īpple's technical support has two different ways to restore the firmware when the machine comes for reparation:ġ.- Propietary SW to reinitializate locked/corrupt firmware, based on machine's ID specific.Īt home I can only proceed with the method 2: Firmware restoration CD. Therefore I should continue Stage 2, firmware intervention. now back to Stage 1Īt this point of the Stage 1, only 1.3 and 1.5 trials are missing, since I don't have additional Apple's device. Stage 1 - Check all external booting possibilities:ġ.2.- USB with Apple's original restoration tool.
#Apple netboot alt mac os x#
TEST 2.5 - Apple's Mac OS Installer/Reparation from External USB HardDrive.ī) Fill the partition with the Mac OS X installer (only the version your iMac came with, no newer, no older). => If no NetBoot after 15 minutes: NetBoot from StartUp ManagerĪ) Keep hold Power Button 10 seconds to reboot the machine.ī) Press ALT key while black screen, before you hear the chime.Ĭ) Keep hold the ALT key until you see the StartUp Manager.ĭ) From StartUp Manager, choose NetInstall as booting option. => Prepare NetInstall Mac OS NetBoot ServerĬ) Press N key while black screen, before you hear the chime.ĭ) Keep hold the N key until you see the Mac OS X Installation screen. Option 2.- Using an Ethernet switch with no additional devices plugged to the switch.Ĭ) Press ALT key while black screen, before you hear the chime.ĭ) Keep hold the ALT key until you see the StartUp Manager.Į) From StartUp Manager, choose NetInstall as booting option. Option 1.- Crossover Ethernet wire direct connection, => Physical Direct Network Connection between Remote Installation Server and iMacĪ) Unplug power cord from iMac for 15 minutes.ī) Connect to the Server Machine this way:
#Apple netboot alt install#
You can run this test twice: remote installation from PC and MAC.ī) Install Network Client (just run setup.exe from DVD and follow the steps until everything is installed).Ĭ) Keep open a window saying.
TEST 2.2 - Firewire cable and Target Mode: run installer from external Mac.
H) From StartUp Manager, choose DVD as booting option. G) Insert Apple's Mac OS DVD on machine while StarUp Manager is running. => If still no boot from DVD: StartUp Manager without DVD inside the machine.ĭ) Press F12 key while black screen, before you hear the chime.Į) Keep hold the F12 key until DVD is spelled from the iMac.į) Run StartUp Manager again (see steps above). => If still no boot from DVD: StartUp Manager with DVD inside the machine.Ĭ) Keep hold Power Button 10 seconds to reboot the machine.ĭ) Press ALT key while black screen, before you hear the chime.Į) Keep hold the ALT key until you see the StartUp Manager.į) From StartUp Manager, choose DVD as booting option.
A) Introduce Apple's Mac OS original DVD on the unit.ĭ) Press C key while black screen, before you hear the chime.Į) Keep hold the C key until you see the MacOS installer window.
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