iMac 27 Zoll Ende 2013 Grafikkarte GeForce GT 755 1024MB graphical problems

[Dozer]

hi friends,

I got from client this machine. Is it possible to have an grafic problem ? I still didint have newer machine from imac after 2011.

thanks

 

[2informaticos]

Try first external video...

 

[JohnB8812]

Does it do the same thing when you hook up and external monitor? If so, yes, it is possible. If no, then you likely have a broken LCD.