HP E22 G4 User Manual

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3) Lift the CN501 connector from the PCB.
4) Place the new component on the PCB. Be sure that it matches the PCB footprint.
5) Solder the new component.
Function test
Table 4-1: Function test
Support and troubleshooting
The following table lists possible problems, the possible cause or each problem, and the recommended solutions.
Test item
Operating description
Tool used
HDMI test
Confirm whether image displays and sound
plays correctly on the monitor
Computer or DVD player
DP test
Confirm whether image displays and sound plays
correctly on the monitor
Computer or DVD player
Audio test
Change volume and balance to confirm whether
volume is smooth and loud enough
Speaker
Table 4-2: Solving common problems
Problem
Possible cause
Solution
Screen is blank or
video is flashing.
Power cord is disconnected.
Connect the power cord.
Monitor is off.
Power the power button.
NOTE: If pressing the Power
button has no effect, press and
hold the power button for 10
seconds to disable the Power
button lockout feature.
Video cable is improperly connected.
Connect the video cable
properly.
System is in Sleep mode.
Press any key on the keyboard

HP E22 G4 Specifications

General

Color gamut	72 %
Pixel pitch	0.247 x 0.247 mm
Screen shape	Flat
Pixel density	94 ppi
Display diagonal	21.5 \
Surface hardness	3H
Anti-glare screen	Yes
Display technology	LCD
Native aspect ratio	16:9
Maximum refresh rate	60 Hz
Viewable size, vertical	267.7 mm
Contrast ratio (dynamic)	5000000:1
Contrast ratio (typical)	1000:1
Display number of colors	-
Viewable size, horizontal	476 mm
Digital vertical frequency	50 - 60 Hz
Digital horizontal frequency	30 - 80 kHz
Display brightness (typical)	250 cd/m²
Supported graphics resolutions	640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 720 (HD 720), 1280 x 800 (WXGA), 1440 x 900, 1600 x 900, 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080)
HDMI version	1.4
DisplayPort version	1.2
USB upstream port type	USB Type-B
USB Type-A downstream ports quantity	4
Number of USB Type-B upstream ports quantity	1
Sustainability certificates	ENERGY STAR
Pivot angle	-90 - 90 °
Tilt angle range	-5 - 23 °
Panel mounting interface	100 x 100 mm
Package depth	350 mm
Package width	565 mm
Package height	211 mm
Package weight	7700 g
Operating temperature (T-T)	5 - 35 °C
Operating relative humidity (H-H)	20 - 80 %
AC input voltage	100 - 240 V
Energy efficiency scale	A to G
Power consumption (max)	50 W
Power consumption (standby)	0.5 W
Power consumption (typical)	23 W
Product color	Black, Silver
Market positioning	Business
Cables included	AC, DisplayPort, HDMI, USB
Harmonized System (HS) code	85285210

Weight and Dimensions

Depth (with stand)	200.7 mm
Width (with stand)	488.7 mm
Height (with stand)	480.6 mm
Weight (with stand)	5300 g
Depth (without stand)	47 mm
Height (without stand)	294.6 mm
Weight (without stand)	2880 g