Function Test; Support And Troubleshooting - HP OMEN 27u Maintenance And Service Manual

Function test

After repair, be sure to confirm that all functions are working.
Table 4-1: Function test
Test item Te
Function test
st item
HDMI test
After repair, be sure to confirm that all functions are working.
HDMI test
DP test
DP test
Audio test
Table 4-1: Function test
Audio test
USB test
USB test

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
Screen is blank or
video is flashing.
Operating description Operating description
Confirm whether image displays and sound plays
correctly on the monitor.
Confirm whether image displays and sound plays
correctly on the monitor.
Confirm whether image displays correctly on the
monitor.
Confirm whether image displays and sound plays
correctly on the monitor.
Change volume and balance to confirm whether
volume is smooth and loud enough.
Change volume and balance to confirm whether
volume is smooth and loud enough.
Confirm whether transmitting data between
computer and USB devices.
Confirm whether transmitting data between
computer and USB devices.
Possible cause
Power cord is disconnected.
Monitor is off.
Video cable is improperly connected.
System is in Sleep mode.
Video card is incompatible.
Tool used Tool used
Computer or DVD player
Computer or DVD player
Computer or DVD player
Computer or DVD player
Speaker
Speaker
Computer and USB devices
Computer
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.
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 Control
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