Macbook Pro 2017 (w/TB) + Samsung u28d590d

[maviso5]

Hi All,

So recently got a Macbook Pro (2017) with Touchbar (Model Identifier: MacBookPro14,3). I've had my Samsung screen a while (U28D590D) - 4k Screen. I've purchased the USB-C Digital AV Multiport Adapter.

1)I've set the screens to mirror'd temporarily as I get some weird screen flicker if I don't.
2)I was expecting when I shut the lid down (I have keyboard and mouse via USB) for the display to be main screen but the Mac just hangs/goes to sleep (either green flicker on Samsung screen or frozen screen).


Can anyone comment or confirm behaviour on 1) and 2) above as I cannot get my setup to play ball currently.

Any info much appreciated.

 

[andy9l]

Although it shouldn't cause your Mac to freeze, using the USB-C Digital AV Adapter will limit you to 4K @30Hz. You should use a USB-C to HDMI 2.0 cable or adapter. The adapter you have is HDMI 1.4.

It might be an issue with the monitor not being happy with the 1.4 input it's receiving.

 

[shatal]

Hi All,

So recently got a Macbook Pro (2017) with Touchbar (Model Identifier: MacBookPro14,3). I've had my Samsung screen a while (U28D590D) - 4k Screen. I've purchased the USB-C Digital AV Multiport Adapter.

1)I've set the screens to mirror'd temporarily as I get some weird screen flicker if I don't.
2)I was expecting when I shut the lid down (I have keyboard and mouse via USB) for the display to be main screen but the Mac just hangs/goes to sleep (either green flicker on Samsung screen or frozen screen).


Can anyone comment or confirm behaviour on 1) and 2) above as I cannot get my setup to play ball currently.

Any info much appreciated.

Did you connect the charger to the computer before closing the lid?

 

[trueredsoxfan58]

Although it shouldn't cause your Mac to freeze, using the USB-C Digital AV Adapter will limit you to 4K @30Hz. You should use a USB-C to HDMI 2.0 cable or adapter. The adapter you have is HDMI 1.4.

It might be an issue with the monitor not being happy with the 1.4 input it's receiving.

I have this monitor (both the U590D and U590E), The D model does not support HDMI 2.0, however it does support DP 1.2. I believe DP is a far superior standard and you are better off using a USB-C to Displayport adapter

 

[maviso5]

Did you connect the charger to the computer before closing the lid?

Yep
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I have this monitor (both the U590D and U590E), The D model does not support HDMI 2.0, however it does support DP 1.2. I believe DP is a far superior standard and you are better off using a USB-C to Displayport adapter

Thanks, going to try a USB C to DP cable.