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Hello to all,
So disassembling and trying to "double-bake" my broken nvidia card was one of the very less options available.

I decided it is worth a try, then carefully read few tutorials, because for example unmounting logic board and few other details were little bit different on my iMac than it the attached tutorial by twistedbydesign, but I succeeded to reassembly it and...

...and my iMac started to work again... now it's almost 2 months and I hope it would last...

razorme: I just wonder is your iMac still working?

That's great you were able to fix your iMac. My 2007 24" iMac is still working perfectly 16 months after double-baking it. It's my main computer and used daily (but not for much gaming). I wouldn't mind an upgrade to that retina iMac though!
 
That's great you were able to fix your iMac. My 2007 24" iMac is still working perfectly 16 months after double-baking it. It's my main computer and used daily (but not for much gaming). I wouldn't mind an upgrade to that retina iMac though!

Dear Razorme,

thank you for your quick reply. I'm happy your iMac is still working. I hope mine iMac will enjoy his second life as long as possible too :) Of course I wouldn't mind too to upgrade to recent models, but I use it for creating music and I would have to upgrade my sound device too because of lack of firewire 400 on the new models. The performance of my old iMac is still almost sufficient for my needs, so for now it's perfect as it is.

Best regards and thank you all once more
Andrzej
 
First off, I would like to thank you guys for help!

I am writing this in July 2017 and believe it or not, I still have iMac early 2008, 24". Not long ago, my screen started acting up and it would freeze and go black. I opened it up to see LED lights and the first three were on, while the fourth one was off. At first I thought it's either a bad LCD panel or burnt power supply. Then I found out about freakin GeForce 8800 and how it fails frequently and I figured that must be it..
I came across this forum and followed the instructions step by step and took the video card out w/o too much hustle. After that, I performed a double baking also following the instructions I found here. Finally, I reassembled and put everything back together (it took me approximately 3.5 hrs) and it WORKED!!! Well not at first because I forgot to put RAM memory inside lol I was ready to toss it. We'll see how long it's gonna work, but as soon as it falls again, I'll probably buy another one. After all, it's almost 10 years old...

Again, thanks a bunch!
 
First off, I would like to thank you guys for help!

I am writing this in July 2017 and believe it or not, I still have iMac early 2008, 24". Not long ago, my screen started acting up and it would freeze and go black. I opened it up to see LED lights and the first three were on, while the fourth one was off. At first I thought it's either a bad LCD panel or burnt power supply. Then I found out about freakin GeForce 8800 and how it fails frequently and I figured that must be it..
I came across this forum and followed the instructions step by step and took the video card out w/o too much hustle. After that, I performed a double baking also following the instructions I found here. Finally, I reassembled and put everything back together (it took me approximately 3.5 hrs) and it WORKED!!! Well not at first because I forgot to put RAM memory inside lol I was ready to toss it. We'll see how long it's gonna work, but as soon as it falls again, I'll probably buy another one. After all, it's almost 10 years old...

Again, thanks a bunch!

Wow, that's great! I finally upgraded to a retina iMac but I still have the 24" iMac lying around - and it still works! Whatever Mac you want to stick with, try and move to 100% SSD and you won't believe how much faster the computer will be, even really old models.
 
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