No video (external)
Symptom
No image on external monitor
Possible causes
External monitor, resolution, display configuration, drivers.
Troubleshooting steps
1.
Be sure external monitor is compatible with the computer.
2.
Be sure that external monitor is turned on.
3.
Press any key to get out power saving mode.
4.
Adjust the brightness of the monitor.
5.
Test with a verified working monitor.
6.
Test the monitor via internal ports (VGA, DP ports).
7.
Install latest video driver.
8.
Reset the screen resolution as described in the documentation.
9.
Configure display choice, and then force output to external video by closing the
notebook lid or pressing
Fn + F4
to switch screen output.
DisplayPort/VGA
See
No video (external) on page 116
.
HDMI
Symptoms
●
Display issue
●
Sound issue
Possible causes
Cable, connection, settings.
Troubleshooting steps
Quick Check
1.
Verify HDMI device input source is set correctly (i.e., HDMI1).
2.
Be sure you are using the correct HDMI cable.
3.
Check connection and reconnect the HDMI cable.
4.
Verify if sound output is configured correctly in Control Panel > Sound Manager.
1.
Perform hard reset (
4. Update BIOS and drivers on page 81
).
2.
Update BIOS and drivers (
4. Update BIOS and drivers on page 81
) when sound is heard but
no video on HDTV.
References
HP Notebook PCs - Troubleshooting HDMI Display and Sound Issues
116 Chapter 7 Troubleshooting guide
Summary of Contents for zbook 15 G3
Page 1: ...HP ZBook 15 G3 Mobile Workstation Maintenance and Service Guide ...
Page 4: ...iv Safety warning notice ...
Page 12: ...xii ...
Page 28: ...3 Illustrated parts catalog Computer major components 16 Chapter 3 Illustrated parts catalog ...
Page 157: ...6 Open the crash dump file Additional information 145 ...