LG Ultrafine 5k doesn't turn on with Mac pro cylinder!

Discussion in 'Mac Accessories' started by deepredbear, Aug 16, 2017.

  1. deepredbear, Aug 16, 2017
    Last edited: Aug 16, 2017

    deepredbear macrumors newbie

    deepredbear

    Joined:
    Aug 16, 2017
    #1
    Hey there guys!
    I have just received the lg monitor + the adaptor for mac pro that I purchased online from belgium (I live in Casablanca). I have a mac pro 6 core intel xeon 5 and I am a sound engineer upgrading my system (using pro tools HD).
    First day, everything went brilliant, I used the monitor via the thunderbolt 3 adapter (usb c) connecting the LG thunderbolt port 3 to my thunderbolt 2 port on my mac pro. I installed pro tools hd, upgraded everything and it was spot on! The next day, I turned on my mac pro (everything was plugged as usual) But the LG Ultrafine monitor's screen went black! not turned on at all! I tried unplugging and plugging the thunderbolt cable and the adapter, nothing works!? it's like it's not even detected! I tried hooking up an old ASUS monitor I had, through the hdmi port of my mac pro! and it's working of course, then I tried to hook up the lg as well via the adaptor as a second screen, it seems like my mac pro doesn't even recognize it! it's undetected!! I don't know what happened?! I don't know if someone has the same problem!! I just need some help guys! if there is anything I can do... Thanks
     
  2. bknaepen macrumors newbie

    bknaepen

    Joined:
    Jan 11, 2017
    #2
    Did you try to reboot with the display connected? (sorry to ask if it sounds too obvious...).
     
  3. deepredbear thread starter macrumors newbie

    deepredbear

    Joined:
    Aug 16, 2017
    #3
    Hey there/ i did yeah ! thanks for your reply man anyways! i really dont know what happened! first time trying it, works fine, turn off mac pro at night, turn it on the next morning and the LG doesnt wanna turn on! not even detected!
     

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