I have abit of a strange issue with my 27" 2013 imac. First thing to note is ive run multiple extended hardware tests and consistently returns no errors. The internal harddrive has been formatted. Ram tested and is good and to cut possible causes down im just working with the minimum 1 x 4gb ram.
If i try to reinstall os x via cmd+r the process starts. Connects to internet. Shows globe with loading bar. Loading bar gets 1/3 of the way and stops. However i dont believe its stopped. Its as if the screen freezes as if i leave it, after a few mins i hear "please choose language etc etc" but the screen is frozen on that loading bar. It happens at the exact same point everytime. If i try reinstalling from bootable usb again the process starts and freezes at the same point.
I removed the harddrive and popped it in a caddy and installed os x on it via my dads imac. Install completed and loaded fine.
Popped it back into my imac. It starts but get the question mark folder. Tried booting from it externally. Nothing. Tried booting with option held down. Wont show the os x . It will show the bootable usb tho. Hardware tests consistently show no errors yet this must be some sort of hardware issue. Have even tried another drive with working os x on it and same thing. Everything seems fine yet it freezes at consistently the same place everytime no matter what method im using. Is this an issue with the graphics card? If its a thermal sensor how come it fails at exact same point everytime. I just wish i knew one way or the other if i shld keep trying to fix it or give up and buy a new one. Please note, taking to an apple shop isnt an option. Would be a waste of money and time to have them really not bother looking into it as in new zealand the mac experts are really just salesmen who just try sell you a new one and any fix they did offer would be more expensive than buying another used unit.
If i try to reinstall os x via cmd+r the process starts. Connects to internet. Shows globe with loading bar. Loading bar gets 1/3 of the way and stops. However i dont believe its stopped. Its as if the screen freezes as if i leave it, after a few mins i hear "please choose language etc etc" but the screen is frozen on that loading bar. It happens at the exact same point everytime. If i try reinstalling from bootable usb again the process starts and freezes at the same point.
I removed the harddrive and popped it in a caddy and installed os x on it via my dads imac. Install completed and loaded fine.
Popped it back into my imac. It starts but get the question mark folder. Tried booting from it externally. Nothing. Tried booting with option held down. Wont show the os x . It will show the bootable usb tho. Hardware tests consistently show no errors yet this must be some sort of hardware issue. Have even tried another drive with working os x on it and same thing. Everything seems fine yet it freezes at consistently the same place everytime no matter what method im using. Is this an issue with the graphics card? If its a thermal sensor how come it fails at exact same point everytime. I just wish i knew one way or the other if i shld keep trying to fix it or give up and buy a new one. Please note, taking to an apple shop isnt an option. Would be a waste of money and time to have them really not bother looking into it as in new zealand the mac experts are really just salesmen who just try sell you a new one and any fix they did offer would be more expensive than buying another used unit.