I, for the life of me, am unable to figure out why booting up with laptop closed always results in either mirroring or one display not working at all but booting with the laptop open regularly allows extended view and both external monitors working.
When this stops working, which it periodically does, I have to hot plug the Thunderbolt (actaully USB-C) connected monitor to the dock and it will work again. Close the laptop and both external monitors will stay in extended mode. I usually log in at this point and boot to the desktop and all 3 monitors will be on and in extended mode.Ĥ. I completely boot my Macbook pro to the log in screen while openģ. I connect to the dock with the laptop openĢ. Typically if I connect 1 monitor to Displayport out and and another to the Thunderbolt port it will work but ONLY if:ġ. In Mojave I can get it to work but it is nothing I would call a solution. Upgrading to Mojave does not resolve this issue.Įven in Mojave Apple only seems to support MST to multiple Thunderbolt monitors not DisplayPort. Could of been a real WIN if everything worked out, everyone at work is looking for the perfect dock. It coule be an apple problem, but what a shame on the whole situation. Currently we are using one macbook thunderbolt cable to dock then from dock to monitor, then one additional macbook thunderbolt cable to monitor to get dual displays. I know an earlier post mentioned you could do displayport (from hub) -> displayport on monitor + thunderbolt (from hub) -> displayport on monitor, but that didn't work for any of us. Which is a shame because we cannnot recommend it to anyone else due to the display driver. Myself and at least 10+ other co-workers have this problem. Probably the best hub for a usbc macbook, but the display driving problem is a deal killer for us. It's a shame, because except for this, the hub is actually great. We've tried all possible combinations of, displayport, displayport + thunderbolt (from hub), displayport + vga, different ports on the hub, dual thunderbolt ports, and no matter what the config, all the displays coming from the HUB are mirrored. Im using a 2016 15" macbook pro touchbar, with the thunderbolt G2 dock/hub, and no matter what port configuration used, all displays from the hub are mirrored. Was having the same problem, was googling around and found this forum.
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