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Recent content by iMacDKOwner2013

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    iMac AMD Radeon 5750 (5850m) flash error

    Well I have to dissemble the damn thing again! I'm starting to hate my machine, but I like the challenge. This is turning into a Greek tragedy, but if it breaks, then I want it to be me who does it. Apple has really done everything in their power to make it as difficult as possible to modify or...
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    iMac AMD Radeon 5750 (5850m) flash error

    Damn now its only showing half the RAM in my machine. I have 4 slots, and only 2 of the slots are working. Could it be because I maybe tightened the cooler screws too hard? Too much paste? Im so tired of all these problems... I think I dis- and re-assembled it like 7 times now! And these iMacs...
  3. I

    iMac AMD Radeon 5750 (5850m) flash error

    Its an Apple GFX card from the 2012 iMac series.
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    iMac AMD Radeon 5750 (5850m) flash error

    I went to the place and they could not fix so.... So I just bought a new card.... And just replaced it with a AMD Radeon HD 7970M... It didnt fit, so I had to modify my spacing within my cabinet and the VGA card (MXM)... But when I turn the computer on all the fans are running at high speed like...
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    iMac AMD Radeon 5750 (5850m) flash error

    It was a bad ATIFlash. Sh!t happens and I have actually flashed 4 BIOS'es since that. I have been modding things, flashing, soldering and such for over 20 years now... And I think that it has gone bad 2-3 times in the period. But I would strongly recommend people not to do so without being able...
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    iMac AMD Radeon 5750 (5850m) flash error

    I was actually planning on using thermal paste arctic mx-4 :) I already retrieved my data and extracted the BIOS. The reason why I wanted to have SSH access was so that I could flash within the OSX system and use my backup VGA rom file. :) I already did extract the backup BIOS from my iMac...
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    iMac AMD Radeon 5750 (5850m) flash error

    Well I thought it could be a possible solution so that I could access the machine from my other Mac computers and PCs. Well, where there is a will there is a way I guess :-D You Sir are my hero with OneMoar of course :-) I will be fixing it later today or tomorrow! So fingers crossed! :-)...
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    iMac AMD Radeon 5750 (5850m) flash error

    I read it, but from what I gathered from the FAQ was the it was simply how it would get detected in Windows. This was my initial understanding of it. Can you please see my latest UPDATE 3! I have posted new pictures and retrieved the original backup rom. And have also for the benefit of the...
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    iMac AMD Radeon 5750 (5850m) flash error

    Update 3! UPDATE 3: I have now managed to extract the original stock VGA BIOS backup from my iMac harddrive! And I have loaded the one from this site, my backup and the modified bios and taken screen shots of them, so the people that wants to help me in here can see it too :-)
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    iMac AMD Radeon 5750 (5850m) flash error

    Oh ok :-) But I meant the clockspeed and missed the "M" in Mhz :-) Im uploading some screenshots now for all to see :-)
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    iMac AMD Radeon 5750 (5850m) flash error

    The iMacs uses a MXM video card... Which is a stand-alone Mobile GFX - simplified. The refresh-rate is not an issue and should not be relevant in this case or situation :-) However, I do understand your statement, because if you set your refresh-rate too high in Windows, then the screen just...
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    iMac AMD Radeon 5750 (5850m) flash error

    However, Its not like it changed architectures, but it should just be recognized as a 6870 driver-wise and nothing else. The 6870 is just a rebrand of the 5870. And the difference between a 5850 and a 5870 is just clock-speed. Simplified.
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