noobfootball.blogg.se - Put mac in target mode

#Put mac in target mode install#
#Put mac in target mode password#

To do this you need to alter your RAM configuration first by adding or removing memory. Therefore I couldn't wipe the hard drive and reload OSX.

#Put mac in target mode password#

Stupidly I put in a firmware password and forgot it and I had recently blocked anybody accessing my CD drives etc. I had the same problem on my iMac dual-core 3.06gHz. I don't have Apple care nor warranty and there's no Apple store/Genius Bar nearby. I've looked around and found several guides dealing with this exact problem, but as you can see from the elaborate list above, none of those remedies have worked for me.Īny help is greatly appreciated, I'm on a tight deadline to finish this animation project and this is the only machine I have access to at the moment.

Then did "exit" and also "reboot" commands, both ended in white screen. I'm able to browse the HDD in single user mode using the shell. Entered sIngle user mode (Cmd+S) and ran fsck -fy on boot disk, it gave a few minor errors, so I repeated fsck -fy a few times until it no longer gave errors, still doesn't get past white screen.Tried to run through Mountain Lion Recovery Disk, same white screen.Ran a thorough Apple Hardware Test off the internet through ethernet cable, took 1:45 hours and it showed no errors.

#Put mac in target mode install#

Tried booting from an external Mountain Lion Install USB drive, it shows up in Disk Selector, am able to select it, but then it stops at white screen.

Holding down Option key during startup brings up the disk selector (I have 2 partitions one with Lion and one with Mountain Lion) neither boots up.

Removed ram cards and powered up, it did the SOS beep with 5 second intervals, so I'm guessing logic board is fine.

SMC reset (unplugged power source for 2-3 hrs, held down power button for 10 sec).

The keyboard doesn't work as caps-lock light wont come on. It does the chime sound, then the apple logo with indicator and then just goes to a white screen.

Yesterday, I was working in Autodesk Maya, and suddenly whole screen went black, so I did a hardware reset, by holding down the power button.Īfter that the iMac doesn't boot properly.