Dell S3221QS User manual

Monitor Model: S3221QS
Regulatory Model: S3221QSc
Dell S3221QS Monitor
User’s Guide

2 │
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 © 2020 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.
2020 – 08
Rev. A00

│3
Contents
Safety instructions.......................... 6
About your monitor ..........................7
Package contents . . . . . . . . . . . . . . . . . . . . . . 7
Product features . . . . . . . . . . . . . . . . . . . . . . .9
Identifying parts and controls . . . . . . . . . . . . . . . 10
Front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Back view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Side view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Bottom view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Monitor specifications . . . . . . . . . . . . . . . . . . . 14
Speaker Specifications . . . . . . . . . . . . . . . . . . . . . . . 15
Resolution specifications . . . . . . . . . . . . . . . . . . . . . . 16
Supported video modes . . . . . . . . . . . . . . . . . . . . . . . 16
Preset display modes . . . . . . . . . . . . . . . . . . . . . . . . 17
Physical characteristics. . . . . . . . . . . . . . . . . . . . . . . 22
Environmental characteristics . . . . . . . . . . . . . . . . . . . 23
Power management modes . . . . . . . . . . . . . . . . . . . . . 24
Plug and play capability . . . . . . . . . . . . . . . . . . 25
LCD monitor quality and pixel policy . . . . . . . . . . . 25
Ergonomics. . . . . . . . . . . . . . . . . . . . . . . . . 26
Handling and moving your display . . . . . . . . . . . . . 28
Maintenance guidelines . . . . . . . . . . . . . . . . . . 29

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Cleaning your monitor. . . . . . . . . . . . . . . . . . . . . . . .29
Setting up the monitor...................... 30
Connecting the stand . . . . . . . . . . . . . . . . . . . 30
Connecting your monitor . . . . . . . . . . . . . . . . . 32
Connecting the HDMI and USB 3.0 cable. . . . . . . . . . . . . . 32
Organizing cables . . . . . . . . . . . . . . . . . . . . . 33
Securing your monitor using Kensington lock (optional) 34
Removing the stand . . . . . . . . . . . . . . . . . . . . 35
Wall mounting (optional) . . . . . . . . . . . . . . . . . 36
Operating your monitor ......................37
Power on the monitor . . . . . . . . . . . . . . . . . . . 37
Using the control buttons . . . . . . . . . . . . . . . . . 37
Control buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
OSD controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Using the On-Screen Display (OSD) menu . . . . . . . . 40
Accessing the OSD menu . . . . . . . . . . . . . . . . . . . . . . 40
Menu and Power button lock . . . . . . . . . . . . . . . . . . . . 53
OSD warning messages . . . . . . . . . . . . . . . . . . . . . . .55
Setting the maximum resolution . . . . . . . . . . . . . 58
Using the tilt and vertical extension. . . . . . . . . . . . 60
Tilt Extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Vertical Extension . . . . . . . . . . . . . . . . . . . . . . . . . .60
Troubleshooting ............................61
Self-Test . . . . . . . . . . . . . . . . . . . . . . . . . . 61

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Built-in diagnostics . . . . . . . . . . . . . . . . . . . . 63
Common problems . . . . . . . . . . . . . . . . . . . . . 65
Product-specific problems . . . . . . . . . . . . . . . . 68
Appendix................................. 69
FCC notices (U.S. Only) and other regulatory information69
Contacting Dell. . . . . . . . . . . . . . . . . . . . . . . 69
S3221QS Outline Dimension...................70

6 │Safety instructions
Safety instructions
Use the following safety guidelines to protect your monitor from potential damage
and to ensure your personal safety. Unless otherwise noted, each procedure
included in this document assumes that you have read the safety information that
shipped with your monitor.
Before using the monitor, read the safety information that is
shipped with your monitor and also printed on the product. Keep the
documentation at a secure location for future reference.
CAUTION: Use of controls, adjustments, or procedures other than
those specified in this documentation may result in exposure to shock,
electrical hazards, and/or mechanical hazards.
• Place the monitor on a solid surface and handle it carefully. The screen is fragile
and can be damaged if dropped or hit sharply.
• Always be sure that your monitor is electrically rated to operate with the AC
power available in your location.
• Keep the monitor in room temperature. Excessive cold or hot conditions can have
an adverse effect on the liquid crystal of the display.
• Connect the power cable from the monitor to a wall outlet that is near and
accessible. See Connecting your monitor.
• Do not place and use the monitor on a wet surface or near water.
• Do not subject the monitor to severe vibration or high impact conditions. For
example, do not place the monitor inside a car trunk.
• Unplug the monitor when it is going to be left unused for an extended period of
time.
• To avoid electric shock, do not attempt to remove any cover or touch the inside
of the monitor.

About your monitor │7
About your monitor
Package contents
Your monitor ships with the components shown in the table below. If any
component is missing, contact Dell. For more information, see Contacting Dell.
NOTE: Some items may be optional and may not ship with your monitor.
Some features or media may not be available in certain countries.
Display
Stand riser
Stand base
Power cable (varies by
countries)

8 │About your monitor
HDMI 2.0 cable
USB 3.0 upstream cable
(enables the USB ports on
the monitor)
• Quick Setup Guide
• Safety and Regulatory
Information

About your monitor │9
Product features
The Dell S3221QS monitor has an active matrix, Thin-Film Transistor (TFT), Liquid
Crystal Display (LCD), anti-static, and LED backlight. The monitor features include:
• 80.01 cm (31.5 in.) viewable area display (measured diagonally).
• 3840 x 2160 resolution, with full-screen support for lower resolutions.
• Supports AMD FreeSync™ or No Sync, a rapid response time of 4 ms.
• Supports 40 Hz to 60 Hz (HDMI) and 40 Hz to 60 Hz (DisplayPort) in FreeSync
Mode.
• Supports High Dynamic Range.
• Supports Picture by Picture (PBP) and Picture in Picture (PIP) modes.
• Build-in Speaker (5 W) x 2.
• Supports Audio line out to connect external speaker or sub-woofer.
• Color gamut of 99% sRGB.
• Digital connectivity with DisplayPort and HDMI.
• Equipped with 1 USB upstream port and 2 USB downstream ports.
• Plug and play capability if supported by your computer.
• On-Screen Display (OSD) adjustments for ease of setup and screen optimization.
• Removable stand and Video Electronics Standards Association (VESA™) 100 mm
mounting holes for flexible mounting solutions.
• Tilt and height adjustment capabilities.
• Security-lock slot.
• 0.3 W standby power when in Standby Mode.
• Supports Dell Display Manager.
• Optimize eye comfort with a flicker-free screen.
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
21
Control buttons
Label Description Use
1Function buttons To adjust the items in the OSD menu.
(For more information, see Using the
control buttons)
2Power On/Off button To turn the monitor On and Off.