R5911667 /03
AMM215WTTP
22
6.1 Troubleshooting list
To diagnose a problem
Before sending your LCD display for servicing, check the troubleshooting list below to see if you can self-
diagnose the problem.
Problem
Remedy
No image
Check that all the I/O and power connectors and
correctly and well connected. Make sure the pins of
the connectors are not crooked or broken.
Partial image or incorrectly displayed image
Check to see if the resolution of your computer is
higher than that of the LCD display. Reconfigure
the resolution of your computer to make it less than
or equal to 1920 x 1080.
Image has vertical flickering line bars
Use
“
Horizontal size
”
to make an adjustment.
Check and reconfigure the display mode of the
vertical refresh rate of your graphic card to make it
compatible with the LCD display.
Image is unstable and flickering
Use
“
Fine
”
to make an adjustment.
Image is scrolling
Check and make sure the VGA signal cable (or
adapter) is securely connected. Check and
reconfigure the display mode of the vertical refresh
rate of your graphics card to make it compatible
with the LCD display.
Vague image (characters and graphics)
Use
“
Horizontal size
”
to make an adjustment. If the
problem still exists, use
“
Fine
”
to make an
adjustment.
6.2 Warning Signal
Overview
If you see warning messages on your LCD screen, this means that the LCD display cannot receive a clean
signal from the computer graphics card. The three kinds of warming signals are listed below. Please check the
cable connections or contact your local dealer or service center for more information.
No signal
The LCD display has been powered on but it cannot receive any signal
from the computer graphics card. Check all the power switches, power
cables, and VGA/DVI signal cable.
Going to sleep
The LCD display is under the power saving mode. In addition, the LCD
display will enter power saving mode when experiencing a sudden
signal disconnecting problem. The monitor can be activated by
pressing any keyboard, triggering the mouse or touching the screen.
Out of range
The signal of the computer graphic card is not compatible with the LCD
display. When the signal is not included in the
“
Modes
”
listed, the LCD
monitor will display this message.
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Summary of Contents for AMM215WTTP
Page 1: ...ENABLING BRIGHT OUTCOMES User Guide LCD Color Display AMM215WTTP...
Page 4: ...R5911667 03 AMM215WTTP 4...
Page 8: ...R5911667 03 AMM215WTTP 8 Welcome...
Page 11: ...11 R5911667 03 AMM215WTTP Image 2 1 Installation...
Page 13: ...13 R5911667 03 AMM215WTTP Daily Operation 3...
Page 15: ...15 R5911667 03 AMM215WTTP Advanced Operation 4...
Page 19: ...19 R5911667 03 AMM215WTTP Cleaning your display 5...
Page 21: ...21 R5911667 03 AMM215WTTP Troubleshooting 6...
Page 23: ...23 R5911667 03 AMM215WTTP Important Information 7...
Page 37: ......