HP Z38c Maintenance And Service Guide

23
Support and troubleshooting
The following table lists possible problems, the possible cause or each problem, and the recommended
solutions.
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 or move the
mouse to exit Sleep mode.
Video card is incompatible.
Open the OSD menu and
select the Input Control
menu. Set Auto-Switch
Input to Off and manually
select the input
Image appears
blurred,
indistinct, or too
dark.
Brightness is too low.
Open the OSD menu and
select Brightness to adjust
the brightness scale as
needed.
Check Video
Cable is
displayed on
screen.
Monitor video cable is disconnected.
Connect the appropriate
video signal cable
between the computer and
monitor. Be sure that the

HP Z38c Specifications

General

3D	No
HD type	UltraWide Quad HD+
Pixel pitch	0.22908 x 0.22908 mm
Display diagonal	37.5 \
Display resolution	3840 x 1600 pixels
Display technology	LED
Native aspect ratio	21:9
Viewable size, vertical	366.5 mm
Contrast ratio (dynamic)	5000000:1
Contrast ratio (typical)	1000:1
Display number of colors	1.073 billion colors
Viewable size, horizontal	879.6 mm
Digital vertical frequency	24 - 76 Hz
Digital horizontal frequency	27 - 130 kHz
Display brightness (typical)	300 cd/m²
Supported graphics resolutions	640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1280 x 1024 (SXGA), 1280 x 720 (HD 720), 1280 x 768 (WXGA), 1440 x 900 (WXGA+), 1600 x 1200 (UXGA), 1600 x 900, 1920 x 1080 (HD 1080), 1920 x 1200 (WUXGA), 1920 x 1600, 2560 x 1080, 2560 x 1600 (WQXGA)
On/off switch	Yes
USB hub version	3.2 Gen 1 (3.1 Gen 1)
USB upstream port type	USB Type-C
VGA (D-Sub) ports quantity	0
USB Type-A downstream ports quantity	3
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (max)	195 W
Annual energy consumption	93 kWh
Power consumption (standby)	0.5 W
Power consumption (typical)	80 W
Product color	Black
Country of origin	China
Market positioning	Business
Tilt angle range	-5 - 20 °
Number of OSD languages	10
Panel mounting interface	100 x 100 mm
On Screen Display (OSD) languages	CHI (SIMPL), CHI (TR), DEU, DUT, ENG, ESP, FRE, ITA, JPN, POR

Weight and Dimensions

Depth (with stand)	248 mm
Height (with stand)	558.7 mm
Weight (with stand)	13800 g
Depth (without stand)	104.2 mm
Width (without stand)	895.5 mm
Height (without stand)	399.5 mm
Weight (without stand)	9800 g