Support And Troubleshooting - HP Z24n G3 Maintenance And Service Manual

Table 4-1:
Test item
HDMI test
DP test
DP out test
USB Hub Test

Support and troubleshooting

The following table lists possible problems, the possible cause or each problem, and the recommended
solutions.
Table 4-2:
Problem
Screen is blank or
video is flashing.
Image appears
20
Function test
Operating description
Confirm whether image displays
Confirm whether image displays
Confirm whether image displays
Confirm USB function of 4-USB Type-A working
normally.
Solving common problems
Possible cause
Power cord is disconnected.
Monitor is turned off.
Master power switch is set to off.
Video cable is improperly connected.
System is in Sleep mode.
Video card is incompatible.
Brightness is too low.
Tool used
Computer or DVD player
Computer or DVD player
Computer / DVD player and
other monitor
Computer or Notebook
Solution
Connect the power cord.
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.
Set the master power switch
on the rear of the monitor to
the On position.
Connect the video cable
properly.
Press any key on the
keyboard or move the
mouse to exit Sleep mode.
Open the OSD menu and
select the Input menu.
Set Auto- Switch Input
to Off and manually
select the input.
or
Replace the video card or
connect the video cable to
one of the computer's on-
board video sources
.
Open the OSD menu and