Troubleshooting
No power
n Make sure the power button is ON
n Make sure the power cord is firmly connected to the back of the monitor and to a power
outlet.
Power on but no screen image
n Make sure the video cable supplied with the monitor is tightly secured to the video
output port on the back of the computer. If the other end of the video cable is not
attached permanently to the monitor, tightly secure it to the monitor.
n Adjust brightness and contrast.
Flicker
n There may not be enough power supplied. Connect the monitor to a different power
outlet, or if you are using a surge protector, reduce the number of devices plugged in.
n Use the OSD (On Screen Display) controls to verify that the refresh rate (vertical
frequency) is 75Hz or higher.
n Make sure the graphic card in your computer can use non-interlaced mode at the desired
frequencies. To enable your graphics card to support higher refresh rates, try selecting a
lower number of display colors or using lower resolutions.
n Remove from the area near the monitor any devices, such as radios, unshielded speakers,
or AC power converters that emit magnetic fields.
Incorrect display of colors
n If any colors (red, green, or blue) are missing, check that the video cable is firmly
connected. Damaged pins in the cable connector may also result in a faulty connection.
n Select Degauss from OSD menu.
Entire screen image scrolls (rolls) vertically
n Make sure the video input signals from your computers graphics adapter are within the
monitor’s specified frequency range.
n Try the monitor with a different power source, graphics card, or computer system to
locate the source of the problem.
n Make sure that the video cable is securely connected.