Q: The screen can be unbalanced due to the cycle of the video card signals. Readjust
Position by referring to the OSD.
The screen is out of focus or OSD cannot be adjusted.Q: Have you adjusted the resolution or frequency on the monitor?
A: Adjust the resolution and frequency of the video card.
(Refer to the Preset Timing Modes).
LED is blinking but no images on the screen.Q: Is the frequency properly adjusted when checking the Display Timing on the menu?
A: Adjust the frequency properly by referring to the video card manual and the Preset
Timing Modes.
(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) monitor found".Q: Have you installed the monitor driver?
A: Install the monitor driver according to the Driver Installation Instructions.
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 Driver Installation Instructions.
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 56 Hz ~ 75 Hz.
(Do not exceed 75 Hz when using the maximum resolution.)
Troubleshooting