Question: What should I do if there is no picture?
z Make sure the cable is connected to the port on your PC’s display card.
z Make sure the computer and screen are both turned on.
z Make sure the pins on the connector head of the cable are not bent or broken.
Question: What should I do if amber LED lights are on but there is no picture?
z Make sure the cable is connected to the port on your PC’s display card.
z Check if the computer is in sleep mode or not.
Question: What should I do if green LED lights are on but there is no picture?
z Check if the output frequency of computer is outside the monitor’s range. Refer to the material
above on timing mode .
z Check and adjust BRIGHTNESS, CONTRAST, BACKGROUND BRIGHTNESS using the OSD
menus.
Question: What should I do if RGB NO INPUT SIGNAL is displayed on the
screen?
z Make sure the signal cable is connected to the port on your PC’s display card.
z Check that your computer is operating normally.
Question: What should I do if SIGNAL OVER RANGE is displayed on the screen?
z Check your PC’s display card specification, set vertical frequency to 55 ~ 75 Hz, and make sure
resolution is less than 1280 x 1024. Refer to the material above on timing mode for further
information.
Question: What should I do if the screen image is not clear?
z Confirm that the computer signal output is normal, and then check the AUTO ADJUST and Recall
items in the OSD menu.
z Check the PHASE & Clock items.
z Set the screen image to 1280 x 1024 @ 75Hz.
Question: What should I do if the screen image size is incorrect?
z Check the Recall & AUTO ADJUST items of the OSD menu.
z Adjust horizontal and vertical position using the OSD menu.
z Make sure that your display card is compatible with the LCD specifications. (Please refer to
relevant diagrams or manual and updated information as well).
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