Native resolution for Eizo monitor CX271 2560x1440 ...AMD gfx card is not capable of this ...why ?
This seems to be a common issue manual monitor settings need to be used, as opposed to on screen settings.
You will have better luck by 'moving' this post to the FirePro forum > The specified item was not found.
• DVI: When displaying a dedicated resolution and vertical scan frequency for Single Link.
• HDMI: When displaying PC signals.
• DVI: Dual Link / Single Link
• HDMI : Video / PC
In other words make sure you are in PC mode not video... this needs changing on the front of the monitor adjustment buttons.
This seems to catch people out on various monitor makes.
Txt and apps need to be taken up to approx 125% or you'll struggle reading what's on the screen.