English−26
Screen Image and Video Signal Issues
Oo picture
• Make sure the signal cable is fully connected to the monitor and the computer.
• Make sure there is no DisplayPort converter adapter connected. The monitor does not support DisplayPort converter
adapter.
• Make sure the computer’s display card is fully seated in its slot.
• Make sure both the computer and monitor are powered on.
• Make sure that a supported resolution has been selected on the display card or system being used. If in doubt, please refer
to the user’s manual of the display controller or system to change the resolution.
• Check the monitor and your display card with respect to compatibility and recommended signal timings.
• Check the signal cable connector for bent or pushed-in pins.
• The monitor may be in power saving mode. The monitor automatically goes into standby at the preset time period after the
video signal is lost.
• Make sure the connected device outputs a signal to the monitor.
Image Persistence
• If a ghost or residual image occurs, please check Image Persistence (see
).
The image is unstable, unfocused or swimming is apparent
• Make sure the signal cable is fully connected to the monitor and the computer.
• Check the monitor and your display card with respect to compatibility and recommended signal timings.
Picture is not bright
• Make sure [ECO MODE] is [Off].
• Make sure the signal cable is fully connected to the monitor and the computer.
• LCD brightness degradation occurs due to long-term usage or extreme cold conditions.
• If the brightness fluctuates, make sure [DV MODE] is set to [Off]. Please refer to
Selected resolution is not displayed properly
• If the resolution you set is over or under a range, “OUT OF RANGE” window will appear then warn you. Please set
supported resolution at the connected computer.
Brightness variations over time
• Change [DV MODE] to [Off] and adjust brightness. Please refer to
OOTEN
When [DV MODE] is set to [On], the monitor automatically adjusts brightness based on the video signal.