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martinmusic

martinmusic

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Membro dal 30/11/2016

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Rispondi a "GPU update iMac 2011" 17/12/2016
Hi my friends, Just to save you some time here! My dream is over... Was going down the Nvidia road on a late 2009 27"Core 2 Duo system using the web-drivers for gtx660m2gb - replacing a 256 MB ATI card. Well... it was kind of working, nice fast clock speed. Download the latest Nvidia drivers before you change your card. Thanks Jason for that tip! It boots... but thats it for good news. No 2nd monitor available via cdmi using miniDisplay port, no brightness control on the main screen either. It does boosts the energy consumption of the system to double. It's getting hot in here! Also lost my e-SATA connection to a 2nd external hard drive... aaargggg. The worst thing was after updating to Sierra the "new" system starts with the OS-X GPU drivers by default. Which leaves your in unsupported GPU in the dark so you don't have a working screen whatsoever. Have fun working with a black screen and no means to access a 2nd screen. So for me this is a dead end my sport friends. Without a proper firmware code on your...

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iMac Intel 27" (Late 2009 or Mid 2010) Graphics Card Replacement 20/12/2016

steves77, craparo, Tiago Lima,

YES u can. late 2009 3,06-c2d. changed the ati4670-256mb to a non apple gtx660-2GB.

lost the bootscreen the brightnescontrol and the mini-display port. when using non Apple-EFI nvidia cards, make shure to install the latest- nvidia-web drivers an make them the default drivers. the BIG downside with non appleEFI pulled cards is: after updating the systems os- osx will use the osx drivers again as the main default drivers. this will leave you with a black screen and no idea how to change the drivers... had to change the card back again to make this operation. if the money, go for a appel-GPU. i guess almost any apple EFI gpu card (pulled from a Imac) will work just fine without worrying about lost boot screen- brightnescontrol and 2nd monitor out and update issues. have to say, it made rendering much easyer but the CPU speed is still the botlehead of this. so dont overdo it. gtx 660m is almost to much for my c2d- no need for more. hope that helps my brave friends.

cheers, m