HP 7500 PCI Installation Manual page 21

HP OpenVMS I64 – Graphics Software Installation & Customization
ATI RADEON 7500 PCI Graphics Controller Installation Guide
Problem
Visual noise or anomalies on the
screen
14
Description
Flashes of dots, or other random
artifacts on the screen
Solution
resolution and refresh rate being
used? Some monitors may need
to be manually adjusted using
their front panel controls.
Are you connected to the ATI
RADEON 7500 or to the
embedded graphics option?
At high resolutions and refresh
rates, this type of problem can
arise.
Use only high quality cables and
connectors.
Re-orient the monitor which may
be seeing RF interference.
Lower the refresh rate, or the
resolution.
Chapter 3