HP ProBook 630 Maintenance and Service Guide - Page 95

DisplayPort/VGA, HDMI, No or bad external video via docking, Table 7-30

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DisplayPort/VGA Use this information to troubleshoot DisplayPort and VGA issues. See No video (external) on page 82. HDMI Use this information to troubleshoot HDMI issues. Table 7-30 Issues, possible causes, and fixes Items Procedures Symptoms ● Display issue ● Sound issue Possible causes Cable, connection, settings. Troubleshooting steps Quick Check 1. Verify that the HDMI device input source is set correctly (for example, HDMI1). 2. Be sure you are using the correct HDMI cable. 3. Check connection and reconnect the HDMI cable. 4. Verify whether sound output is configured correctly in Control Panel > Sound Manager. 1. Perform hard reset (4. Update BIOS and drivers on page 52). 2. Update BIOS and drivers (4. Update BIOS and drivers on page 52) when you hear sound but do not see video on HDTV. References http://support.hp.com/us-en/document/c01186408 No or bad external video via docking Use this information to troubleshoot video issues while docking. Table 7-31 Issues, possible causes, and fixes Items Procedures Symptoms No or bad image on external monitor via ports of docking station (such as VGA, DP, TB, display port, and others) Possible causes Rooted from system board, software or drivers, dock connectors, docking station hardware or firmware, dock video ports (DP, VGA, and others). Troubleshooting steps 1. Be sure that external monitor is turned on. 2. Be sure that external monitor is compatible with the computer. 3. If applicable, plug the dock in different Type-C ports. For more information, see the technical white paper titled "HP Elite Dock with Thunderbolt 3 & HP ZBook Dock with Thunderbolt 3." Go to http://www.hp.com/ and search for HP ZBook Thunderbolt 3 Dock User Guide. 4. If the screen image is distorted, try a DP-to-VGA adapter. Connect the adapter to each DisplayPort and VGA port of the dock. Common issues and possible solutions 83

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DisplayPort/VGA
Use this information to troubleshoot DisplayPort and VGA issues.
See
No video (external)
on page
82
.
HDMI
Use this information to troubleshoot HDMI issues.
Table 7-30
Issues, possible causes, and fixes
Items
Procedures
Symptoms
●
Display issue
●
Sound issue
Possible causes
Cable, connection, settings.
Troubleshooting steps
Quick Check
1.
Verify that the HDMI device input source is set correctly (for example, HDMI1).
2.
Be sure you are using the correct HDMI cable.
3.
Check connection and reconnect the HDMI cable.
4.
Verify whether sound output is configured correctly in
Control Panel > Sound Manager
.
1.
Perform hard reset (
4. Update BIOS and drivers
on page
52
).
2.
Update BIOS and drivers (
4. Update BIOS and drivers
on page
52
) when you hear sound but
do not see video on HDTV.
References
us-en/document/c01186408
No or bad external video via docking
Use this information to troubleshoot video issues while docking.
Table 7-31
Issues, possible causes, and fixes
Items
Procedures
Symptoms
No or bad image on external monitor
via ports of docking station (such as
VGA, DP, TB, display port, and others)
Possible causes
Rooted from system board, software or drivers, dock connectors, docking station hardware
or firmware, dock video ports (DP, VGA, and others).
Troubleshooting steps
1.
Be sure that external monitor is turned on.
2.
Be sure that external monitor is compatible with the computer.
3.
If applicable, plug the dock in different Type-C ports.
For more information, see the technical white paper titled ”HP Elite Dock with
Thunderbolt 3 & HP ZBook Dock with Thunderbolt 3.” Go to
and
search for HP ZBook Thunderbolt 3 Dock User Guide.
4.
If the screen image is distorted, try a DP-to-VGA adapter. Connect the adapter to each
DisplayPort and VGA port of the dock.
Common issues and possible solutions
83