Mac Powers on but won't boot after the sound
After the replacement of the hard drive to an SSD (Samsung EVO 850 500GB) the iMac won't boot. When you push the button a short flash is seen on the screen and you hear the startup sound. The background light is on of the screen but only shows black.
The installation of the new hard drive was clean an we made sure, that we have no static electricity in us. Everything went well without the use of force.
So far I tried:
PRAM reset, getting into different boot menues or recovery modes and have an external monitor attached. Nothing worked. still the same. The store said that there are no replacement party available anymore do you guys have any idea where I could check?
Thanks for your help!
Have a good start in 2016!
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