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2-2 Before Requesting Service
• Please check the following solutions before requesting
A BLANK SCREEN APPEARS / I CANNOT TURN THE PRODUCT ON
Is the power cord connected properly? | Make sure the power cord is plugged in correctly at both ends. |
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Is the “Check Signal Cable” message displayed on the | Check the cable connecting the PC and the product. |
screen? | If the cable is connected properly, press the [ /SOURCE] |
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| button repeatedly to confirm that the product is set to the cor- |
| rect source and that it is receiving an input signal. |
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Is the “Not Optimum Mode” message displayed on the | This occurs when the signal from the graphics card exceeds |
screen? | the maximum resolution or the maximum frequency (refresh |
| rate) capability of the product. |
| In this case, set up the appropriate resolution and the fre- |
| quency for the product. For the correct values, see the Stan- |
| dard Signal Mode Table. |
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Is a blank screen displayed and does the power LED blink at | This occurs when the power saving function is running. |
a 1 second interval? | To turn on the screen, click the mouse or press any key. |
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Did you connect with a DVI cable? | If you connect the DVI cable while the PC is booting up or if |
| you reconnect the DVI cable after disconnecting the cable |
| while the PC is on, the screen may not display because some |
| graphics cards can not output a video signal under these con- |
| ditions. |
| In this case, reboot the PC while the DVI cable is connected. |
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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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| Check if the <Color Effect> is set to <Off>. |
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Is the graphics card configured correctly? | Reconfigure the graphics card referring to the card's 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? | Try to run <Auto Adjustment> in <Picture> under <Settings>. |
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Did you change the resolution or frequency (refresh rate)? | Set the graphics card to the appropriate resolution and fre- |
| quency. |
| For the correct values, see the Standard Signal Mode Table. |
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Is the graphics card configured correctly? | Reconfigure the graphics card referring to the card's user |
| manual. |
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THE PICTURES ARE OUT-OF-FOCUS.
Did you change the resolution or frequency (refresh rate)?
Set the graphics card to the appropriate resolution and fre- quency.
For the correct values, see the Standard Signal Mode Table.
Troubleshooting |