Dell P3421W Monitor
Dell P3421W Monitor
User's Guide
Model: P3421W Regulatory model: P3421Wb
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 - 10 Rev. A00
Contents
About your monitor . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Package contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Product features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Identifying parts and controls . . . . . . . . . . . . . . . . . . . . . . 9
Front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Back view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Bottom view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Monitor specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Resolution specifications. . . . . . . . . . . . . . . . . . . . . . . . . 14
Supported video modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Preset display modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Environmental characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Pin assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Plug and play capability . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Universal Serial Bus (USB) interface . . . . . . . . . . . . . . . . 21
SuperSpeed USB 5 Gbps (USB 3.2 Gen1). . . . . . . . . . . . . . . . . . . . 21 USB 2.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 USB Type-C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 USB 3.2 Gen1 (5 Gbps) upstream connector . . . . . . . . . . . . . . . . 22 USB 3.2 Gen1 (5 Gbps) downstream connector . . . . . . . . . . . . . . 22 USB 2.0 downstream connector . . . . . . . . . . . . . . . . . . . . . . . . . . 23 USB Type-C connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 USB ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
LCD monitor quality and pixel policy . . . . . . . . . . . . . . . . 24 Maintenance guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . 24
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Cleaning your monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Setting up the monitor . . . . . . . . . . . . . . . . . . . . . . 25
Attaching the stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Connecting your monitor . . . . . . . . . . . . . . . . . . . . . . . . . 28
Connecting the DisplayPort (DisplayPort to DisplayPort) cable. . 29 Connecting the HDMI cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Connecting the USB Type-C cable . . . . . . . . . . . . . . . . . . . . . . . . 31 Connecting the USB 3.2 Gen1 (5 Gbps) cable . . . . . . . . . . . . . . . . 31
Organizing your cables. . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Removing the monitor stand . . . . . . . . . . . . . . . . . . . . . . 33 VESA wall mounting (optional) . . . . . . . . . . . . . . . . . . . . 34
Operating the monitor . . . . . . . . . . . . . . . . . . . . . . 35
Power on the monitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Using the joystick control . . . . . . . . . . . . . . . . . . . . . . . . 35 Using the On-Screen Display (OSD) menu . . . . . . . . . . . 36
Accessing the Menu Launcher . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Using the navigation keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Accessing the menu system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 OSD warning message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Setting the maximum resolution . . . . . . . . . . . . . . . . . . . 59 Setting the KVM switch . . . . . . . . . . . . . . . . . . . . . . . . . . 60 Setting the Auto KVM . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Using the tilt, swivel, and vertical extension . . . . . . . . . . 64
Tilt, swivel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Vertical extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Slant adjust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Self-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
4
Built-in diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Common problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Product specific problems . . . . . . . . . . . . . . . . . . . . . . . . 72 Universal Serial Bus (USB) specific problems . . . . . . . . . 73
Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
FCC notices (U.S. only) and other regulatory information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Contact Dell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 EU product database for energy label and product information sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
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