AMM170TK2/AMM17TK2/AMM18TK2/AMM19TK2/AMM19TK2(HB) 29
TROUBLESHOOTING
Before sending your LCD monitor for servicing, please check the troubleshooting list below to see if you can
Problems | Current Status | Remedy | ||
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| LED ON | • | Using OSD, adjust brightness and contrast to | |
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| maximum or reset to their default settings. | |
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| LED OFF | • | Check the power switch. | |
No |
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| • | Check if AC power cord is properly | ||
Picture |
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| connected to the AC adapter. | |
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| LED Blinking | • | Check if video signal cable is properly | |
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| connected at the back of monitor. | |
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| • | Check if the power to computer system is ON. | |
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| Unstable Picture | • | Check if the specification of graphics adapter | |
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| and monitor is in compliance which may be | |
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| causing the input signal frequency mismatch. | |
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| Display is | • | Using Auto Setup button, if still display | |
| missing, center |
| abnormal picture then adjust CLOCK, | |
| shift, or too small |
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Abnormal | or too large in |
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display size |
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• | Using OSD, in case of missing | |||
Picture |
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| image, please select other resolution in your | |
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| Operating System (Windows 95/98, NT) or | |
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| other vertical refresh timing. | |
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| • | Must wait for a few seconds after adjusting | |
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| the size of the image before changing or | |
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| disconnecting the signal or powering OFF the | |
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| monitor. | |
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