Troubleshooting
If the picture quality is poor or there is some other problem, check the adjustments, operations, etc., before requesting service.
Symptom |
| Checks | Remedy |
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Picture is disturbed. | • | Is a connected component set directly in | • Leave some space between the display and |
Sound is noisy. |
| front or at the side of the display? | the connected components. |
Remote control unit operates errone- |
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ously. |
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The remote controller does not work. | • | Are the remote controller’s batteries worn | • Replace both batteries with new ones. |
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| out? |
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Monitor’s power does not turn on when | • | Is the monitor’s power cord plugged into | • Plug the monitor’s power cord into a power |
the remote controller’s power button is |
| a power outlet? | outlet. |
pressed. | • | Are all the monitor’s indicators off? | • Press the power button on the monitor to |
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| turn on the power. |
| • Are the remote controller’s batteries worn | • Replace both batteries with new ones. | |
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| out? |
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Monitor does not operate when the re- | • | Is the remote controller pointed at the | • Point the remote controller at the monitor’s |
mote controller’s buttons are pressed. |
| monitor, or is there an obstacle between | remote control sensor when pressing but- |
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| the remote controller and the monitor? | tons, or remove the obstacle. |
| • Is direct sunlight or strong artificial light | • Eliminate the light by closing curtains, point- | |
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| shining on the monitor’s remote control | ing the light in a different direction, etc. |
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| sensor? |
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| • Are the remote controller’s batteries worn | • Replace both batteries with new ones. | |
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| out? |
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No sound or picture is produced. | • | Is the monitor’s power cord plugged into | • Plug the monitor’s power cord into a power |
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| a power outlet? | outlet. |
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Picture appears but no sound is pro- | • | Is the volume set at the minimum? | • Increase the volume. |
duced. | • | Is the mute mode set? | • Press the remote controller’s mute button. |
| • Are the speakers properly connected? | • Connect the speakers properly. | |
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Tint is poor or colors are weak. | • | Are the tint and colors properly adjusted? | • Adjust the tint and color (under “PIC- |
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| TURE”). |
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Nothing appears on screen. | • | Is the computer’s power turned on? | • Turn on the computer’s power. |
| • Is a source connected? | • Connect source to the monitor. | |
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| • | Is the power manager function in the | • Operate the computer (move the mouse, |
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| standby or off mode? | etc.). |
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Part of picture is cut off or picture is | • | Is the position adjustment appropriate? | • Adjust the “RGB ADJ.” properly. |
not centered. |
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Image is too large or too small. | • | Is the screen size adjustment appropri- | • Press the “WIDE/AUTO WIDE” button on |
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| ate? | the remote controller and adjust properly. |
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Picture is unstable. | • | Is the computer’s resolution setting ap- | • Set to the proper resolution. |
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| propriate? |
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