HP M34D Maintenance And Service Guide

21
Function test
After repair, be sure to confirm that all functions are working.
Support and troubleshooting
The following table lists possible problems, the possible cause or each problem, and the recommended
solutions.
Function test
After repair, be sure to confirm that all functions are working.
Table 4-1: Function test
Te
st 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 4-1: Function test
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
USB-C test
Confirm whether image displays and sound
plays correctly on the monitor
Computer or USB-C 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.
Master power switch is set to off.
Set the master power
switch on the rear of the
monitor to the On position.
Video cable is improperly connected.
Connect the video cable
properly.
System is in Auto-Sleep Mode.
Press any key on the
keyboard or move the
mouse to inactivate the
screen blanking utility.
Video card is incompatible.
Open the OSD menu and
select the Input menu. Set
AutoSwitch Input to Off

HP M34D Specifications

General

Color	black
Screen Type	led
Tiltable	yes
Wall Mount	100mm x 100mm
Touch Screen	no
Webcam	no
OS Compatibility	chrome, mac, windows
Screen Size	34 inches
Panel Type	va
Aspect Ratio	21:9
Resolution	3440 x 1440
Native Resolution	3440 x 1440
Refresh Rate	100hz
Horizontal Viewing Angle	178 degrees
Vertical Viewing Angle	178 degrees
Response Time	5 milliseconds
Brightness	250 candela per square meter
Contrast Ratio	3500:1
Synchronization	not applicable
Horizontal Scan Rate	160 kilohertz
HDR	no
Built-In Speakers	yes
HDMI Ports	1
USB Type B Ports	0
Display Port Inputs	1
Mini Display Port	0
VGA Ports	0
DVI	0
Thunderbolt Ports	0
Headphones Output	yes
Voice Assistant	no
Depth with Stand	9.25 inches
Height with Stand	20.4 inches
Width with Stand	31.89 inches
Height without Stand	14.44 inches
Net Weight without Stand	23.17 pounds