I'm having trouble with my 4K display on mu Mac Pro. I'm using the Samsung U28E590 display and a MiniDisplay Port to Display Port adapter. Recently, i see that my computer will not properly wake from sleep. I have been on Apple Support multiple times, and have reset RAMs, and tried new cables, but the fact of the matter is that the display 'powers' up when awaking from sleep, but the picture never comes on. The only way I can fix it is by changing the wire from one thunderbolt port in the back to another. Then it powers up normally with the picture. Monitor works normally with HDMI, but the refresh rate cuts in half with it. So, has anyone else experienced this and/or found a fix?

Feb 04, 2017 I still cannot have sound on my U28E590D Samsung UHD monitor. In System Preferences Sound, I did select my HDMI screen in the ouput tab, but I still have no sound (my monitor is not on mute and volume slider shows a medium level ). I am running MacOS Sierra 10.12.3. Thank you very much in advance for your help. Main Samsung Display Solutions.

Also I note that when booting up, the screen does not show the apple logo and the progress bar. It eventually comes on to the login screen. Sometimes it doesn't come on at all, and I have to change the thunderbolt port again.

1. UE590 Series U28E590. 28' UHD monitor with vibrant colors and enhanced gaming functionality. Stunningly realistic UHD resolution (3840.2160) Seperior picture quality with 1 billion colors and 370-nit high brightness. Fast, smooth gameplay with a super-fast 1ms response time. More natural viewing comfort with Eye saver mode and Flicker.
2. The Samsung U28E590D is definitely a 4K monitor worth taking a serious look at. If you’re a 4K PC gamer who wants a screen that performs very nicely and also offers exceptional PC gaming connectivity, this model is a great choice.

The Samsung UE590 UHD monitor offers PC viewing, gaming and more, all in stunning Ultra HD picture quality. With resolution that's four times higher than Full HD, this ultra high-definition (UHD) monitor delivers stunning images that use a staggering 8 million pixels for unparalleled realism.

This is my second Samsung monitor (different 4K versions). Same issue with both, so I believe its either a Mac issue, or a Samsung technology issue. The cable was switched as well without a remedy.

Driver Monitor Samsung U28e590 Laptop

All apps are up to date, and running El Capitan. - latest version.

Thoughts??

Mac Pro, OS X Yosemite (10.10), 3.5 GHz 6-Core E5 64GB RAM 2x D700

Posted on Dec 8, 2015 10:09 PM

175 drivers total Last updated: Nov 25th 2017, 11:03 GMT RSS Feed

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