User's Manual
Cleaning
Troubleshooting
LCD pixel statement
1. Gently wipe the screen with a clean, soft, lens brush or a soft
clean, lint-free cloth. This removes dust and other particles that
can scratch the screen.
2. Do not apply pressure to the screen surface when wiping it clean.
3. Do not pour or spray any liquid directly onto the screen or case
of the LCD monitor. Chemical cleaners may damage the screen of
LCD monitor.
• There is no picture on the screen.
A: Please check the color of the LED indicatior on the LCD monitor.
1. "GREEN": During normal operation the LED light will be green. If it is green
and there is no picture, contact the customer service line.
2. "RED": Please check the connection of the VGA cable to the monitor and the
connection to the computer.
3. "NO POWER": Make sure the power cord is securely connected to the socket.
• Missing Colors
A: If any of the red, green, or blue colors are missing, check the signal cable to
make sure it is tightened correctly. the pins in the cable could be loose and
cause a bad connection.
• No Image
A: 1. Make sure power button is ON.
2. Check whether the LCD monitor and computer power cords are connected
and whether there is a supply of power.
• No Signal Input
A: Please check the signal connection between the computer and LCD monitor.
The LCD unit is produced with high-precision manufacturing techniques.
Nevertheless, some pixels may occasionally misre or appear as black
or colored dots. This has no effect on the recorded image and does not
constitute a malfunction.
Normally, a 17" WXGA+ (1440 x 900) display has nearly 4 million sub-
pixels. There are 8 non-performing pixels on the LCD screen, which is
only 0.0002@ of the total sub-pixels. This percentage is acceptable for
any inspection specications.
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