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Dell U4021QW User Manual

Dell U4021QW
80 pages
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4 | Contents
Tilt, swivel and vertical extension . . . . . . . . . . . . . . . . . . . . . .33
Connecting your monitor . . . . . . . . . . . . . . . . . . . . 34
Organizing your cables . . . . . . . . . . . . . . . . . . . . . 38
Securing your monitor using Kensington lock (optional) . . . 38
Removing the monitor stand . . . . . . . . . . . . . . . . . . 39
Wall mounting (Optional) . . . . . . . . . . . . . . . . . . . . 40
Operating the monitor ..........................41
Power on the monitor . . . . . . . . . . . . . . . . . . . . . . 41
Using the joystick control . . . . . . . . . . . . . . . . . . . . 41
Using the OSD lock function . . . . . . . . . . . . . . . . . . 43
Front-panel button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Using the On-Screen Display (OSD) Menu . . . . . . . . . . . 47
Accessing the menu system . . . . . . . . . . . . . . . . . . . . . . . . .47
OSD warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Setting the maximum resolution. . . . . . . . . . . . . . . . . . . . . . .64
Setting the KVM USB Switch . . . . . . . . . . . . . . . . . . . . . . . .65
Setting the Auto KVM . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
Troubleshooting ...............................70
Self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Built-in diagnostics . . . . . . . . . . . . . . . . . . . . . . . 71
Common Problems. . . . . . . . . . . . . . . . . . . . . . . . 72
Product specific problems . . . . . . . . . . . . . . . . . . . 74
Universal Serial Bus (USB) specific problems . . . . . . . . . 78
Appendix.....................................80
FCC notices (U.S. only) and other regulatory information . . . 80
Contacting Dell . . . . . . . . . . . . . . . . . . . . . . . . . 80
EU product database for energy label and product information
sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

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Dell U4021QW Specifications

General IconGeneral
Screen Size39.7 inches
Panel TypeIPS
Aspect Ratio21:9
Refresh Rate60 Hz
Brightness300 cd/m²
Contrast Ratio1000:1
Color Support1.07 billion colors
Color Gamut100% sRGB, 98% DCI-P3
Resolution5120 x 2160
Response Time5 ms (GtG)
PortsThunderbolt 3, DisplayPort 1.4, HDMI 2.0, USB 3.2 Gen 1, RJ45, Audio out
Built-in SpeakersYes (2 x 9W)
Viewing Angle178° (H) / 178° (V)
VESA MountYes (100 x 100 mm)

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