Troubleshooting
Consult the following table for troubleshooting a problem.
Symptom |
| Cause and remedy | Reference | |
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The monitor displays nothing. (The power lamp doesn't | Check that the power cord is connected securely. | P.9 | ||
illuminate.) | Using other device, check that the wall outlet is receiving | - | ||
| power. |
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| |
| Check that the main power switch isn't off. | P.7 | ||
The monitor displays nothing. (The power lamp is blinking | An error may have occurred. Contact your MITSUBISHI | - | ||
red.) | dealer. |
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| Blinking red |
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| 0.5 sec. 3 times ↔1 sec. 1 time | Power error |
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| 0.5 sec. 1 time ↔1 sec. 1 time | Fan error |
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| 0.5 sec. 4 times ↔1 sec. 1 time | Temperature error |
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| 0.5 sec. 2 times ↔1 sec. 1 time | Memory check error |
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The monitor displays nothing. (The power lamp illuminates | The monitor displays nothing when the power saving | - | ||
orange.) | function of your computer is active. Hit any key on the |
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| keyboard or move the mouse. |
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| |
| Connect the signal cable correctly. |
| - | |
| Check that the computer isn't turned off. | - | ||
The monitor becomes dark, flickers, or displays nothing | Replace the LCD panel with new one. Contact your MIT- | - | ||
though it was displaying images properly. | SUBISHI dealer. |
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| |
There are black spots (which don't illuminate) or bright | They are not a failure, but due to the characteristics of | - | ||
spots (which stay illuminated) on the monitor. | the LCD panel. |
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| |
The monitor has uneven brightness. | This symptom may occur depending on the displayed im- | - | ||
| ages. This is not a failure, but due to the characteristics |
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| of the LCD panel. |
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| |
Faint vertical stripes appear on the monitor. | This symptom may occur depending on the displayed im- | - | ||
| ages. This is not a failure, but due to the characteristics |
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| of the LCD panel. |
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| |
Flickers and moire patterns appear when a fine pattern is | This symptom may occur when a fine pattern is dis- | - | ||
displayed. | played. This is not a failure, but due to the characteris- |
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| tics of the LCD panel. |
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| |
Lines aren't displayed in correct width. | This symptom may occur when an image of other than | - | ||
| 3840x2160 resolution is displayed. This is not a failure, |
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| but due to the characteristics of the LCD panel. |
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"Afterimage" appears on the | This symptom may occur when the entire monitor isn't | P.4, P.10 | ||
| filled with the display area and the same image is kept |
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| displayed for a long time. This is not a failure, but due to |
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| the characteristics of the LCD panel. |
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| |
The contrast varies depending on the viewing angle | Depending on the viewing angle (angle at which you view | - | ||
| the monitor), the contrast varies. This is not a failure, but |
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| due to the characteristics of the LCD panel. |
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The display quality varies. | Because the LCD panel uses a fluorescent light, its | - | ||
| display quality varies with the lapse of the operating time. |
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| In addition, the display quality is affected by the ambient |
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| temperature. This is not a failure, but due to the charac- |
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| teristics of the LCD panel. |
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| |
A faint object persists on the screen even after switching | This symptom called "afterimage" may occur when the | P.4, P.10 | ||
the displayed image. | same still picture is kept displayed for a long time. The |
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| faint object fades away gradually by turning off the moni- |
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| tor or displaying a motion picture. Sometimes it cannot |
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| be eliminated but this is not a failure. |
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The monitor flickers (when connected via a distributor). | Connect the monitor and the computer directly each | - | ||
| other, not via a distributor. |
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Others
Symptom | Cause | Remedy | Reference |
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| page |
The resolution and | Signals aren't input/output correctly in rare | Turn off the monitor and the computer and turn | - |
number of colors | cases. | them back on. |
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cannot be changed/ | When your computer's operating system isn't | Reinstall the driver for the graphic board. As | - |
they are fixed. | Windows→, it may not be able to recognize | for reinstallation, see the user's guide of your |
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| the driver for the graphic board correctly. | computer or consult the support center for your |
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| computer. |
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