3DLABS Wildcat 4210 - Manual (Page 36)

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4 Troubleshooting
This chapter describes common problems and solutions, obtaining a usable video resolution, reinstalling the
video driver, and how to get help.
Common Problems and Solutions
Monitor Checks
Problem Cause Solution
Display properties are not
set correctly Use the Last Known Good option
in Windows NT, or restart
Windows 2000 in Safe Mode and
select a supported resolution and
refresh rate. See “Obtaining a
Usable Video Resolution” later in
this chapter for instructions. Display is black, not
synchronized, or
distorted
Single monitor is not
plugged into primary
DVI-I port.
Turn off power to the workstation.
Disconnect monitor from
secondary DVI-I port and connect
to primary DVI-I port. Reboot the
workstation.
Use the Last Known Good option
in Windows NT, or restart
Windows 2000 in Safe Mode and
select a supported resolution and
refresh rate. See “Obtaining a
Usable Video Resolution” later in
this chapter for instructions. Monitor does not
support a selected
resolution or refresh
rate The selected settings are
not compatible with your
monitor and video card.
Reinstall the video driver.
Verify that the monitor cable is
securely fastened to the video card
and is fastened to the correct
monitor port
Make sure the monitor and
computer are plugged into
electrical outlets and are receiving
power.
Check any other external display
connectors, if applicable.
There is no VGA
bootup screen The connections may not
be set up properly.
Verify that the video card is seated
properly in its expansion slot.