Video Problems - HP 3005PR User Manual

Video problems

Problem
The screen resolution of an external
monitor connected to the DisplayPort
cannot be changed.
Fonts and other characters on the
external monitor appear large.
The graphics application does not
detect the external monitor.
The external monitor cannot be set as
the primary monitor when using some
Intel graphics applications.
The computer monitor does not work.
A video device connected to the
external monitor port on the computer
displays a black screen when playing
Blu-ray or other protected content.
18 Chapter 4 Troubleshooting
Possible cause
The monitor attached to the DisplayPort
may be a dual-link monitor.
The external monitor screen resolution
is higher than the maximum limits of
1600 x 1200 or 1680 x 1050.
Some graphics applications do not
detect external monitors connected to
the port replicator.
Older Intel graphics applications do not
support setting the external monitor as
the primary monitor.
The external monitor has been
disconnected from the port replicator
before the port replicator was
disconnected from the computer.
The port replicator does not support
viewing Blu-ray or other protected
content on an external display device
connected to the external monitor port
on the port replicator.
Solution
Use a single-link monitor.
Set the screen resolution equal to or
lower than the maximum limits.
Use the DisplayLink software to
configure the external monitor. Refer to
Using the software on page 7.
Download the latest Intel drivers from
http://www.hp.com/support.
Disconnect the port replicator from the
computer, and then disconnect the
external monitor from the port
replicator.
Use the display device on the
computer.