AOC LM740 - Manual (Page 21)

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Frequently Asked Questions
The image is blurred, how can I get the best quality picture?
♦ Read chapter 6, Setting the Display Resolution, and select a graphics
signal with the correct resolution and refresh rate. Then read chapter 7,
Adjusting the Monitor, and make adjustments to the displayed image
based on these instructions.
♦ Have you used a VGA extension cable?
If so, remove the extension cable and check the displayed image. Has the
image quality improved? Optimise the image using the procedures in
chapter 7 with the extension cable removed. Reconnect the extension
cable once the image has been optimised. Depending on the
characteristics and type of the extension cable, some blurring or distortion
may occur due to conduction losses of the extension cable. You can
minimise these losses by using an extension cable with better conduction
quality or with a built-in booster.
♦ Does the blurring only occur at resolutions lower than the native
(maximum) resolution?
Please read chapter 6, Setting the Display Resolution. Select a graphics
signal that uses the monitor’s the native resolution (1280 x 1024 pixels).
Why does the image look yellow, blue or pink instead of showing the
correct colours?
♦ The most common cause of this problem is a loose VGA signal cable or
connector. Check that the cable is securely connected to the computer.
♦ Check the VGA signal cable for damage. If any pins are bent or broken off,
contact your dealer or an authorized Envision Peripherals Inc. service
agent