Dell P2421 User Manual

4  │ 
Maintenance guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Cleaning your monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Setting up the monitor . . . . . . . . . . . . . . . . . . . . . . 28
Attaching the stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Connecting your monitor . . . . . . . . . . . . . . . . . . . . . . . . . 31
Connecting the DisplayPort (DisplayPort to DisplayPort) cable. . 31
Connecting the HDMI cable (optional) . . . . . . . . . . . . . . . . . . . . . 32
Connecting the VGA cable (optional) . . . . . . . . . . . . . . . . . . . . . . 32
Connecting the DVI cable (optional) . . . . . . . . . . . . . . . . . . . . . . . 32
Connecting the USB 3.0 cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Organizing your cables. . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Removing the monitor stand . . . . . . . . . . . . . . . . . . . . . . 34
VESA wall mounting (optional) . . . . . . . . . . . . . . . . . . . . 34
Operating the monitor . . . . . . . . . . . . . . . . . . . . . . 36
Power on the monitor. . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Using the front-panel controls. . . . . . . . . . . . . . . . . . . . . 36
Front-panel button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Using the On-Screen Display (OSD) menu . . . . . . . . . . . 38
Accessing the menu system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
OSD warning message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Setting the maximum resolution . . . . . . . . . . . . . . . . . . . 54
Using the tilt, swivel, and vertical extension . . . . . . . . . . 55
Tilt, swivel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Vertical extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Rotating the monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Rotate clockwise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Rotate counterclockwise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Adjusting the rotation display settings of your system . . 58

Dell P2421 Specifications

General

HD type	WUXGA
Pixel pitch	0.27 x 0.27 mm
Screen shape	Flat
Pixel density	94 ppi
Response time	8 ms
Backlight type	LED
Display diagonal	24.1 \
Display resolution	1920 x 1200 pixels
Display technology	LCD
Native aspect ratio	16:10
Vertical scan range	56 - 76 Hz
Maximum refresh rate	60 Hz
Response time (fast)	5 ms
Horizontal scan range	30 - 83 kHz
Supported video modes	480i, 480p, 576i, 576p, 720p, 1080i, 1080p
Viewable size diagonal	611.3 mm
Viewable size, vertical	324 mm
sRGB coverage (typical)	99 %
Contrast ratio (typical)	1000:1
Display number of colors	16.7 million colors
Viewable size, horizontal	518.4 mm
Display brightness (typical)	300 cd/m²
Supported graphics resolutions	640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1280 x 1024 (SXGA), 1600 x 1200 (UXGA), 1920 x 1200 (WUXGA)
HDMI version	1.4
USB hub version	2.0 / 3.2 Gen 1 (3.1 Gen 1)
Built-in USB hub	Yes
DisplayPort version	1.2
Number of upstream ports	1
USB Type-A downstream ports quantity	4
Pivot angle	-90 - 90 °
Tilt angle range	-5 - 21 °
Panel mounting interface	100 x 100 mm
AC input voltage	120 - 230 V
Power supply type	Internal
AC input frequency	50 - 60 Hz
Energy efficiency scale	A to G
Power consumption (max)	42 W
Power consumption (standby)	0.2 W
Power consumption (typical)	14.8 W
Operating altitude	0 - 5000 m
Non-operating altitude	5000 - 12192 m
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	10 - 90 %
Operating relative humidity (H-H)	20 - 80 %
Product color	Black
Market positioning	Business
Sustainability certificates	RoHS, ENERGY STAR
Package depth	608 mm
Package width	167 mm
Package height	420 mm
Package weight	7300 g
Cables included	AC, DVI, DisplayPort, USB Type-C to USB Type-C, VGA
Harmonized System (HS) code	85285210
Ethernet LAN (RJ-45) ports	0

Weight and Dimensions

Bezel width (side)	6.3 mm
Depth (with stand)	166 mm
Width (with stand)	531 mm
Height (with stand)	500.8 mm
Weight (with stand)	5100 g
Bezel width (bottom)	19.2 mm
Depth (without stand)	44.1 mm
Height (without stand)	349.5 mm
Weight (without stand)	3500 g