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I recently installed Ubuntu 16.04 on a MacBook Pro with Thunderbolt. I also have an iMac with Thunderbolt which I wish to use as a monitor via target display mode. Is it possible to set this up? It seems as though Ubuntu is not recognizing the Thunderbolt cable as a display.

Thanks for any help.

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  • AMD, What kind of Intel chip does your Mac have? Perhaps the iGPU doesn't have the right driver. Also could you update your question with the output of lspci -tv? – WinEunuuchs2Unix Mar 5 '18 at 4:21
  • I'm not sure how to find out what kind of intel chip the macbook has while running Ubuntu. How can I find this out? Question has been updated with that output. – AMD Mar 5 '18 at 4:27
  • To get the CPU model include output of cat /proc/cpuinfo | grep 'name'| uniq – WinEunuuchs2Unix Mar 5 '18 at 4:35
  • Welcome. I didn't even know the third generation had Thunderbolt. I thought it came out in the sixth generation, Skylake, ie like my i7 6700HQ CPU. – WinEunuuchs2Unix Mar 5 '18 at 4:39
1

From this spec sheet:

  • Thunderbolt is backwards-compatible with Mini DisplayPort-equipped displays as well as adapters that are compatible with Mini DisplayPort (DVI, VGA, dual-link DVI and HDMI). It also can support other peripherals that use the Thunderbolt standard, which provides a maximum theoretical 10 Gbps of bandwidth in both directions.

You have a Thunderbolt 1 port which only supports 10 Gbps and not the common Thunderbolt 3 port USB Type C rated at 40 Gbps that are common today. Also keep in mind Apple cables/converters can be different than PC ones so make sure the specs are correct.

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  • Thanks for your answer. I found this adapter which after reading the overview looks like it may do the trick. However it is quite expensive and want to be sure before I buy it. Do you think this will work? apple.com/shop/product/MMEL2AM/A/… – AMD Mar 6 '18 at 4:37
  • That's going the opposite direction from Thunderbolt 3 to Thunderbolt 2. You have a Thunderbolt 1 and you want to go to HDMI or Display Port right? – WinEunuuchs2Unix Mar 6 '18 at 5:32
  • I want to go from Thunderbolt 1 to Thunderbolt 3 – AMD Mar 6 '18 at 5:34
  • It' impossible to go from Thunderbolt 1 to Thunderbolt 3. That's like asking to make a slow car go faster. The adapter in your link is like making a fast car go slower which is possible when you apply brakes. – WinEunuuchs2Unix Mar 6 '18 at 5:35

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