HP QuickDock Maintenance And Service Manual page 29

Problem
A connected home
entertainment system
does not have video.
A video device
connected to the
external monitor port on
the computer does not
work.
Maintenance and Service Guide
Table 2-3
Video Problems and Solutions
Possible Cause
The video cable is not
connected correctly.
The screen image is
displaying on the
computer.
The QuickDock is not
connected to AC power.
The computer is not
connected to the
QuickDock correctly.
When the computer is
connected to the
QuickDock, the external
monitor port on the
computer is disabled.
Troubleshooting
Solution
Disconnect and
reconnect the video
cable.
Press fn+f4 on the
computer to switch the
image from the computer
to the external display.
Connect the AC adapter
to the QuickDock and to
an AC outlet.
Disconnect the
expansion cable from the
computer, and then
reconnect the cable to
the computer.
Use the external monitor
port on the QuickDock.
2–5