Troubleshooting Criteria - HP AMD Radeon 7000 Installation Manual

Table 3-2 Troubleshooting Criteria (continued)
Problem
Blank or corrupt screen display.
Visual noise or anomalies on the
screen.
Description
The DECW$SERVER_0 process is
running as is DTGREET, but the screen
is blank or corrupt.
Flashes of dots or other random
artifacts on the screen.
Solution
Is the screen saver active? Press a KB
key or move the mouse.
Is the monitor connected to the VGA
output on the HP PCI AMD Radeon
7000 Graphics Adapter card?
Does the monitor support the
resolution and refresh rate being used?
Some monitors may need to be
manually adjusted using their front
panel controls.
Are you connected to the HP PCI AMD
Radeon 7000 Graphics Adapter card
or to the embedded graphics option?
This type of problem can arise at high
resolutions and refresh rates.
Use only high quality cables and
connectors.
Change orientation of the monitor
which may be exposed to RF
interference.
Lower the refresh rate or the
resolution.
Troubleshooting 19