Samsung 150S Owner's Manual page 32

Troubleshooting
Check List
There are only 16
colors shown on the
screen. The screen
colors have
changed after
changing the video
card.
There is a message
that reads
"Unrecognized
monitor, Plug & Play
(VESA DDC) monitor
found".
Check the following items if there is trouble with the monitor.
1. Check if the power cord and the cable are properly connected to the computer.
2. Check if the computer beeps more than 3 times when booting.
(If it does, request an after-service for the main board of the computer.)
3. If you installed a new video card or if you assembled the PC, check if the installed the adapter
(video) driver and the monitor driver.
4. Check if the scanning ratio of the video screen is set at 75Hz or 85Hz.
(Do not exceed 60Hz when using the maximum resolution.)
5. If you have problems in installing the adapter (video) driver, boot the computer in Safe Mode,
remove the Display Adapter at the "Control Panel, System, Device Administrator" and then
reboot the computer to reinstall the adapter (video) driver.
Note: If problems repeatedly occur,
Have the Windows colors been
set properly?
Has the video card been set
properly?
Have you installed the monitor
driver?
See the video card manual to
see if the Plug & Play (VESA
DDC) function can be supported.
contact an authorized service
User's Manual
For WindowsME/XP/2000:
Set the colors properly at the Control
Panel, Display, Settings.
Set the video card by referring to the
video card manual.
Install the monitor driver according to
the Driver Installation Instructions.
Install the monitor driver according to
the Driver Installation Instructions.
center.