Problems
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Points to check with Possible Solutions
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1. No picture
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Check that the power cord is correctly connected. If the problem persists, turn off the monitor power for a few minutes, then turn it back on and try again.
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Check the "Brightness" setting.
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Switch the signal input by pressing the Input Signal Selection Button on the front control panel.
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Try pressing a key on the keyboard, or clicking the mouse.
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Indicator status: Flashing Yellow (twice for each)(L568-M only)
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Try pressing the power of the computer.
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2. Following messages appear. (Error messages shown below will remain on the screen for 40 seconds.)
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These messages appear when the signal is not inputted correctly, even if the monitor functions properly.
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When the image is displayed correctly after a short time, there is no problem with the monitor. (Some PCs do not output the signal soon after powering on.)
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Check that the signal cable is properly connected to the PC or graphics board.
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Switch the signal input by pressing the Input signal selection button on the front control panel.
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Whenever an error signal message appears, the signal frequency will be displayed in red.(Example)
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Use the graphics board's utility software to change the frequency setting. (Refer to the manual of the graphics board.)
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3. Display position is incorrect.
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Adjust the image position using the <Position>.
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The two display modes, VGA 720 x 400 (70 Hz) and 320 x 200 (70 Hz), have the same signal timings. Using <VGA Selection> selects the appropriate display mode. (This function effects only when the resolution is VGA 720 x 400 (70 Hz) or 320 x 200 (70 Hz).
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If the problem persists, use the graphics board's utility software to change the display position if available.
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4. Vertical bars of distortion appear.
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5. Horizontal bars of distortion appear.
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6. Letters and lines appear blurred.
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7. The screen is too bright or too dark.
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Adjust the <Brightness> (The backlight of the LCD monitor has a fixed life span. When the screen becomes dark or begins to flicker, please contact your dealer.)
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8. Afterimages appear.
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Do you use the screen saver or timer when displaying the same image for extended periods of time?
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Afterimages are particular to LCD monitors. Avoid displaying the same image for extended periods of time.
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9. The screen has defective pixels (e.g. slightly light or dark).
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This is due to the characteristics of the panel itself, and not the LCD product.
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10. Fingerprints remain on the screen.
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Leaving the screen white may solve the problem.
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11. The <Smoothing> cannot be selected.
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<Smoothing> is disabled when the screen is displayed in the 1280 x1024.
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12. The ScreenManager cannot be activated.
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The adjustment lock is probably on.
To unlock : switch the LCD monitor off. Then, while pressing the Auto adjustment button switch, the power on.
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13. The Auto Adjustment Button does not operate.
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The Auto adjustment button does not operate when the digital signal is inputted
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The adjustment lock is probably on.
To unlock : switch the monitor off. Then, while pressing the Auto adjustment button, switch the monitor on.
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