Top appearance, functionality flop

Positives:
+ Price
+ Design
Neutral:
o color representation and contrast adequately
Negatives:
- Touch buttons inaccurate
- DP 1.2 MST (Mehrer displays connect consecutively) unstable.

Conclusion:
If you have the monitor always in standby mode and want to use only one, you do not get with the same good design for this price.
However, I am disappointed by Dell and would have expected more.

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Review:

I bought this monitor because of its extremely thin margin equal to two times.
The commissioning of the first monitor went smoothly from equip and was done quickly. What is immediately noticeable is that the touch buttons of the appliance does not work reliably. You always need 2-4 attempts to press a button to the right. (Especially annoying when on / off button.)
The color display was like expecting not outstanding but for a 200 unit quite sufficient.

Now for the second monitor.
First, it must be activated during the first 1.2 DP. This is done quickly, even though it is made more difficult by the imprecise buttons.
After that the second monitor is connected to the first (DP out => DP in). The monitor is detected after repeated restart of Windows and man would think everything would be fine.

After some time (the same day), the second monitor is no longer recognized. This only goes into power saving mode.
When looking at now looking on the internet you will find plenty of others have similar problems, but no solution. The monitor is now in Device Manager also only as "Unknown Device".