5-2 Before Requesting Service
Please check the following before requesting
A blank screen appears / I cannot turn the product on
Is the power cord connected properly? | Check the connection status of the power cord. | |
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| Check the cable connecting the PC and the product. | |
Is the <Check Signal Cable> message displayed on the | (Connected using the DVI cable) | |
screen? | If the message appears on the screen even if the cable is | |
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| properly connected, recheck the input signal by pressing the [ | |
| ] button of the product. | |
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| This occurs when the signal from the graphics card exceeds | |
Is the <Not Optimum Mode> message displayed on the | the maximum resolution or the maximum frequency of the | |
product. | ||
screen? | ||
In this case, set up the appropriate resolution and the fre- | ||
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| quency for the product. | |
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| 1. This occurs when the power saving function is running. | |
| If you click the mouse or press any key, the screen will be | |
Is a blank screen displayed and does the power LED blink at | turned on. | |
a 1 second interval? | 2. If the "Check Signal Cable" condition persists for more than | |
| five minutes, Lossless mode will be activated.In Lossless | |
| mode, the backlight of the monitor will turn off. | |
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| If you connect the DVI cable when the PC has booted up or if | |
| you reconnect the DVI cable after disconnecting the cable | |
Did you connect with a DVI cable? | while using a PC, the screen may not be displayed because | |
| some graphics cards do not output the video signal. | |
| In this case, reboot the PC while the DVI cable is connected. | |
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THE IMAGE IS TOO LIGHT OR TOO DARK.
Adjust the <Brightness> and <Contrast>. (Refer to the <Brightness>, <Contrast>)
The display brightness can differ according to the mode set for < |
| Angle>. | ||||
If < |
| Bright> is set to <Dynamic Contrast>, the display brightness can differ according to the input signal. | ||||
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| The on screen adjustment menu (OSD) does not appear. | ||||
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Did you cancel the screen adjustment? | Check if the OSD Adjustment Lock function is set to Off. | |||||
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| The color is weird / The picture is displayed in black and white | ||||
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Is the entire screen displayed in the same color as if viewing | Check the cable connection to the computer. | |||||
the screen through a cellophane paper? | Reinsert the graphics card into the computer completely. | |||||
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Is the graphics card configured correctly? | Set up the graphics card referring to the user manual. | |||||
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| The display area suddenly moves to an edge or to the center. | ||||
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Did you change the graphics card or the driver? | Please press the [AUTO] button to run the auto adjustment | |||||
function. | ||||||
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Troubleshooting |
