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My first computer was a Macintosh 128k in 1984. I was a service tech at MicroAge Computers in CA in 1989 and later obtained my EE degree. I am very much an Apple products guy, offering repair solutions that focus on the Macintosh.
Graduate of CSU Fresno with a BS in Electrical Engineering (class of ‘94).
I like to tinker and repair where possible, never afraid to try new things even if unconventional.
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Thank you for sharing your story of success with the 6779M in your 2011 iMac! Please feel free to leave an update in the future as to how your video card is doing over time, either in the comments section here or on my YouTube channel. Best wishes!
Baking it twice like that isn’t a problem. Very glad to hear you got it up and running!
I take it you baked it a 2nd time at the correct 400°F (392°F, actually), which is required for the bake to work long term. Thank you for sharing your story! Best wishes to you and your newly resurrected iMac!
Great job, Brad. Thank you for making time to let me know. Feel free to keep me informed here or on YouTube as to the status of your video card over time. Some people who have baked their card are going on 3 years of life now, as per YouTube comments!
I certainly appreciate the regular updates on your video card. Three years is very, very good! Fingers crossed you get another 3!
That’s really great to hear, Will! Thank you for making time to let me know!
That’s great to hear Zesstra. Thank you for letting me know your success. By the way, what replacement paste did you apply to your GPU and then to your memory chips after your bake? If K4 & K5 Pro, I believe all will be well. Or if you used K5 Pro on the memory chips and another good CPU/GPU paste like Thermal Grizzly Kryonaut or MX-4 on the GPU, you will also be fine. Some people have used Arctic Silver V (myself included on my 1st bake) on the video card’s GPU, but the problem with that paste is that spill-over will touch the surrounding SMD capacitors, and since Arctic Silver V is electrically capacitive, it most likely will cause problems down the line. You don’t have that problem with K4 Pro, Kryonaut or MX-4 pastes, and of course K5 Pro doesn’t have that problem either. Best wishes!
I am guessing it is 80x25mm and runs at 12V, but is it 2-wire or 3-wire?
I ask in order to know what kind of replacement to buy. Thanks!
Roberto, what size is the fan? 60x25mm? And can you remove the stock fan from that metal housing so as to replace it with a quieter modern version? Thanks.
Thank you for your kind comments and for making time to let me know your story of success! Best wishes to you and your newly resurrected iMac this new year!
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