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Q.

Why is the screen distorted on the right edge of the monitor when connected to Mac Pro (Late 2013) via DisplayPort?

 

A.

This problem occurs when displaying a 4K resolution on a Mac Pro (Late 2013) equipped with FirePro D500 or D700. To avoid this problem, please take the following measures depending on your Mac environment.

If you face the problem, please update Mac OS X to the latest version.

Note: The problem is not caussed by FirePro D300.

If you cannot update Mac OS to Yosemite 10.10.3 or later, please see the followings.

(1) This problem can usually be solved by updating your OS X Mavericks (10.9) to Yosemite (10.10).

(2) This problem occurs with OS X Yosemite (10.10) after coming out of sleep mode. You can restore the screen by turning the monitor 's main power switch off and then on again. In addition, you can avoid this problem by disabling the OS's sleep function.

(Apple menu > System Preferences > Energy Saver, check [Prevent computer from sleeping automatically when the display is off].)

(3) Change the DisplayPort version setting of the monitor from 1.2 to 1.1 to display the screen at 30 Hz.

 

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