iMac 2011 Gpu failed

[cMP MACPRO]

Hi macrumors. I hope I can find help here.
I have a 2011 27°” iMac
specs 16gb ram 1333
i7 3.4
some radeon card
850 Evo ssd 1tb

The Gpu isn’t working anymore it burned about and getting hot every time I’m starting it. The Mac isn’t booting it just shows a white screen when I start it. I can’t go to recovery os.

So the most important part for me is that I want to get the data from it to and external hard drive connected to the Mac Pro I have. I know I can connect them together like iMac>Mac Pro with a FireWire 800 cable I have . As I know I can enter the target disk mode without booting into masc is like when starting I have to press a and the iMac would show up as an external hard drive on the Mac Pro.

 

[Juicy Box]

I hope I can find help here.

What do you need help with?

when starting I have to press a and the iMac would show up as an external hard drive on the Mac Pro.

I think you mean press and hold "T".

If you cannot get Target Disk Mode to work, you can take off the glass and display, and remove the HDD. It is really easy, you can look up a guide on ifixit.

The first time you do it, it might take 30 minutes. I have done this many times and can probably swap the drive in less than 5 minutes.

 

[cMP MACPRO]

Yes i mean press and hold T. Can i boot into the imac with firwwire?

 

[Juicy Box]

Yes i mean press and hold T. Can i boot into the imac with firwwire?

Yes, as long as TDM will work.

You have to have the correct cables/adapters as well.

 

[cMP MACPRO]

Yes, as long as TDM will work.

You have to have the correct cables/adapters as well.

I am sorry I am not really pro. So what is a TDM?

 

[cMP MACPRO]

Oh that’s just the shortening of the word target disk mode ?