Samsung LS19LFUGFZ-ZC - Manual (Page 43)

(The maximum frequency per resolution may differ from product to product.)
There are only 16 colors shown on the screen. The screen colors have changed after
changing the video card.
Q: Have the Windows colors been set properly?
A: Windows XP :
Set the resolution at the Control Panel → Appearance and Themes → Display → Set-
tings.
A: Windows ME/2000 :
Set the resolution at the Control Panel → Display → Settings.
Q: Has the video card been set properly?
A: Set the video card by referring to the video card manual.
There is a message that reads "Unrecognized monitor, Plug & Play (VESA DDC) mon-
itor found".
Q: Have you installed the monitor driver?
A: Install the monitor driver according to the Monitor Driver.
Q: See the video card manual to see if the Plug & Play (VESA DDC) function can be
supported.
A: Install the monitor driver according to the Monitor Driver.
Check the following items if there is trouble with the monitor.
Check if the power cord and the video cables are properly connected to the computer.
Check if the computer beeps more than 3 times when booting.
(If it does, request an a service for the main board of the computer.)
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.
Check if the scanning ratio of the video screen is set to between 50 Hz ~ 75 Hz(LD190/
LD190G)/56 Hz ~ 61 Hz(LD220/LD220G).
(Do not exceed 75 Hz(LD190/LD190G) /61 Hz(LD220/LD220G) when using the maximum
resolution.)
If you have problems in installing the adapter (video) driver, boot the computer in Safe Mode,
remove the Display Adapter in the "Control Panel → System → Device Administrator" and
then reboot the computer to reinstall the adapter (video) driver.
Note
If problems repeatedly occur, contact an authorized service center.
Q & A
Q: How can I change the frequency?
Troubleshooting