Setting up the dp1.2 display, 60 hz. see, Setting up – Dell UP3214Q Monitor User Manual
Page 45: The dp1.2 display, Operating the monitor 45

Operating the Monitor 45
Setting Up the DP1.2 Display
The default out of factory setting in the UP3214Q is DP1.1a.
To enable 3840 x 2160 at 60 Hz, ensure the graphics card of the DP source is
DP1.2 certified with MST feature, capable of supporting resolution up to 3840
x 2160 at 60 Hz, and its driver supports DisplayID v1.3, then change the DP
setting to DP1.2 by performing the below steps:
A) Monitor is able to show content
1. Use OSD button to navigate to Display Settings.
Dell UP3214Q
Brightness/Contrast
Input Source
Resolution: 3840x2160, 30Hz
Color Settings
Aspect Ratio
16:9
50
Disable
Dynamic Contrast
Uniformity Compensation
DisplayPort 1.2
Display Info
Reset Display Settings
Display Settings
PBP Settings
Energy Settings
Menu Settings
Other Settings
Personalize
Energy Use
Sharpness
Noise Reduction
Off
2. Go to DisplayPort 1.2 selection
3. Select
Enable or Disable accordingly
4. Follow the screen message to confirm selection of DP1.2 or DP1.1a.
Dell UP3214Q
Please ensure your Graphics Card can support DP MST(Daisy Chain)/HBR2(High
Bit Rate) before changing the monitor setting to DP1.2.
Incorrect setting may result in blank screen on monitor.
Confirm
Exit