polarfire.blogg.se - Imac does not start -3403d osx 2017

#Imac does not start 3403d osx 2017 install
#Imac does not start 3403d osx 2017 update
#Imac does not start 3403d osx 2017 password
#Imac does not start 3403d osx 2017 windows

The fusion drive was using the 3TB seagate baracuda that was under the apple recall, and it failed. I have a similar issue, with my imac 27" EMC 2546 from late 2012. Reboot into Single User mode and reload your OSX system.Īt step (5) You may not have to reload your system files, just set up your PRAM. You can access your CD drive now, put in your BOOT CD (OSX disk). I cannot remember if I hit EJECT on the boot menu or on the keyboard. You MUST use the COMMAND-OPTION keys on the RIGHT side of the keyboard.ģ) Let the machine boot THREE times (mouse lights up on each boot cycle, turn it over to see)Ĥ) After the THIRD or FOURTH boot cycle hold the OPTION key down ONLY.ĥ) A BOOT MENU should appear. You will still need enough RAM to run the machine of course.ġ) After changing your RAM either up or down.Ģ) Using a wired keyboard, start computer with keys COMMAND-OPTION-P-R pressed in. 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.

#Imac does not start 3403d osx 2017 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.

#Imac does not start 3403d osx 2017 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. Your suggestions will be greatly received.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.

I'm getting to the point where I think that this is more trouble than what it's worth :(

#Imac does not start 3403d osx 2017 update

I am aware that there is a Firmware update available but not sure what version it's at. HDD put into MBP and Internet recovered to Mountain Lion and then placed into iMac but still no boot. Lion USB Boot Disk used - Selected from Boot Menu but nothing loads

#Imac does not start 3403d osx 2017 windows

When existing HDD removed and checked for Faults there was Lion OSX installed and Windows Boot Camp PartitionĮl Capitan USB Boot Disk used - Selected from Boot Menu but nothing loads Pressing Command+R does not go into internet/recovery On power up I hear the startup sound and Apple Logo appears on screen timer spins and then screen starts to flicker (mainly at the top) and then white screen for a while and then Apple Logo reappears and then it stays like that. Good morning fellow Experts, I am having issues with my iMac, I have done quite a lot of fault finding which I will document below and need your help to resolve this issue.