Dell P2720DCc User manual

Monitor Model: P2720DC
Regulatory Model: P2720DCc
Dell 27 USB-C Monitor - P2720DC
User’s Guide

NOTE: A NOTE indicates important information that helps you make
better use of your computer.
CAUTION: A CAUTION indicates potential damage to hardware or loss
of data if instructions are not followed.
WARNING: A WARNING indicates a potential for property damage,
personal injury, or death.
Copyright © 2019–2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks
are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective
owners.
2021 – 09
Rev. A05

│3
Contents
About your monitor ......................... 6
Package contents . . . . . . . . . . . . . . . . . . . . . . 6
Product features . . . . . . . . . . . . . . . . . . . . . . .8
Identifying parts and controls . . . . . . . . . . . . . . . 10
Front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Back view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Side view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Bottom view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Monitor specifications . . . . . . . . . . . . . . . . . . . 14
Resolution specifications . . . . . . . . . . . . . . . . . . . . . . 15
Supported video modes . . . . . . . . . . . . . . . . . . . . . . . 15
Preset display modes . . . . . . . . . . . . . . . . . . . . . . . . 16
MST Multi-Stream Transport (MST) Modes . . . . . . . . . . . . 16
Electrical specifications. . . . . . . . . . . . . . . . . . . . . . . 17
Physical characteristics. . . . . . . . . . . . . . . . . . . . . . . 19
Environmental characteristics . . . . . . . . . . . . . . . . . . . 20
DisplayPort connector . . . . . . . . . . . . . . . . . . . . . . . 20
Plug and play capability . . . . . . . . . . . . . . . . . . 25
LCD monitor quality and pixel policy . . . . . . . . . . . 25
Maintenance guidelines . . . . . . . . . . . . . . . . . . 25
Cleaning your monitor. . . . . . . . . . . . . . . . . . . . . . . .25
Setting up the monitor ...................... 26
Attaching the stand . . . . . . . . . . . . . . . . . . . . 26

4 │
Connecting your monitor . . . . . . . . . . . . . . . . . 28
Connecting the DP cable . . . . . . . . . . . . . . . . . . . . . . 28
Connecting the monitor for DP Multi-Stream Transport (MST)
function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Connecting the USB Type-C cable . . . . . . . . . . . . 29
Connecting the monitor for USB-C Multi-Stream Transport
(MST) function. . . . . . . . . . . . . . . . . . . . . . . 30
Organizing cables . . . . . . . . . . . . . . . . . . . . . 31
Removing the stand . . . . . . . . . . . . . . . . . . . . 32
Wall mounting (optional) . . . . . . . . . . . . . . . . . 33
Operating your monitor ..................... 34
Power on the monitor . . . . . . . . . . . . . . . . . . . 34
USB-C charging options . . . . . . . . . . . . . . . . . . 35
Using the control buttons . . . . . . . . . . . . . . . . . 35
OSD controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Using the On-Screen Display (OSD) menu . . . . . . . . 37
Accessing the OSD menu . . . . . . . . . . . . . . . . . . . . . . 37
Menu and Power button lock . . . . . . . . . . . . . . . . . . . . 49
OSD warning messages . . . . . . . . . . . . . . . . . . . . . . . 51
When you adjust the Brightness level for the first time, the
following message appears:. . . . . . . . . . . . . . . . . . . . . 51
Setting up your monitor . . . . . . . . . . . . . . . . . . 56
Setting the maximum resolution . . . . . . . . . . . . . . . . . . 56
If you have a Dell desktop or a Dell portable computer with internet
access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
If you have a non Dell desktop, portable computer, or graphics card
56

│5
Using the tilt, swivel, and vertical extension . . . . . . . 58
Tilt, Swivel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Vertical Extension . . . . . . . . . . . . . . . . . . . . . 58
Rotating the Monitor . . . . . . . . . . . . . . . . . . . . . . . . 59
Troubleshooting ............................61
Self-Test . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Built-in diagnostics . . . . . . . . . . . . . . . . . . . . 63
Setting USB-C Prioritization when USB-C Charging is set
to On In Off Mode . . . . . . . . . . . . . . . . . . . . . 65
Common problems . . . . . . . . . . . . . . . . . . . . . 66
Product-specific problems . . . . . . . . . . . . . . . . 69
Appendix..................................71
Safety Instructions. . . . . . . . . . . . . . . . . . . . . 71
FCC notices (U.S. Only) and other regulatory information 71
Contacting Dell. . . . . . . . . . . . . . . . . . . . . . . 72

6 │About your monitor
About your monitor
Package contents
Your monitor ships with the components shown below. Ensure that you have
received all the components and see Contacting Dell for more information if
something is missing.
NOTE: Some items may be optional and may not ship with your
monitor. Some features or media may not be available in certain
countries.
Monitor
Stand riser
Stand base
Power cable (varies by
countries)

About your monitor │7
DP 1.2 cable
USB Type-C cable (C to C)
Cable Tie
∞Quick Setup Guide
∞Safety and Regulatory
Information

8 │About your monitor
Product features
The Dell P2720DC monitor has an active matrix, Thin-Film Transistor (TFT), Liquid
Crystal Display (LCD), anti-static, and LED backlight. The monitor features include:
∞68.47 cm (27.0 in.) viewable area display (measured diagonally). 2560 x 1440
resolution, with full-screen support for lower resolutions.
∞Wide viewing angle to allow viewing from a sitting or standing position, or while
moving from side-to-side.
∞Color gamut of 99% sRGB.
∞High Dynamic Contrast Ratio.
∞Tilt, swivel, height, and rotate adjustment capabilities.
∞Removable stand and Video Electronics Standards Association (VESA™) 100 mm
mounting holes for flexible mounting solutions.
∞Digital connectivity with DisplayPort and HDMI.
∞Equipped with 4 USB downstream ports.
∞Single USB Type-C to supply power to compatible notebook while receiving
video signal.
∞Plug and play capability if supported by your system.
∞On-Screen Display (OSD) adjustments for ease of set-up and screen
optimization.
∞Software and documentation media includes an Information File (INF), Image
Color Matching File (ICM), and product documentation.
∞Security lock slot.
∞Stand lock.
∞Capability to switch from wide aspect to standard aspect ratio while maintaining
the image quality.
∞≤0.3 W in the Standby Mode.
∞Optimize eye comfort with a flicker-free screen.
WARNING:If provided with a 3-pin attachment plug on the power
cord, plug the cord into a grounded (earthed) 3-pin outlet. Do not disable
the power cord grounding pin, for example, by attaching a 2-pin adapter.
The grounding pin is an important safety feature.
WARNING:Please confirm the distribution system in building
installation shall provide the circuit breaker rated 120/240V, 20A
(maximum).

About your monitor │9
WARNING:The possible long-term effects of blue light emission from
the monitor may cause damage to the eyes, including eye fatigue, digital
eye strain, and so on. ComfortView feature is designed to reduce the
amount of blue light emitted from the monitor to optimize eye comfort.

10 │About your monitor
Identifying parts and controls
Front view
1 2
Control buttons
Label Description Use
1Function buttons Use the function buttons to adjust
items in the OSD menu. (For more
information, see Using the control
buttons)
2Power On/Off button
(with power-status light)
To turn the monitor on or off.
Solid white light indicates the monitor
is turned on and functioning normally.
Blinking white light indicates the
monitor is in Standby Mode.