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Troubleshooting - LG M5201C User Manual

52” widescreen lcd monitor with portrait or landscape option
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Table of Contents
G Is the product power cord connected?
G Is the power indicator light on?
G Power is on, power indicator is blue but
the screen appears extremely dark.
G the power indicator amber?
G Does the 'Out of range' message
G Does the 'Check signal cable' message
'Unknown Product' message appears when the product is connected.
G Did you install the driver?
'Controls Locked' message appears.
G The 'Controls Locked' message
appears when pressing the Menu
* Vertical frequency: To enable the user to watch the product display, screen image should be changed tens of times
every second like a fluorescent lamp. The vertical frequency or refresh rate is the times of image display per second.
The unit is Hz.
* Horizontal frequency: The horizontal interval is the time to display one vertical line. When 1 is divided by the
horizontal interval, the number of horizontal lines displayed every second can be tabulated as the horizontal
frequency. The unit is kHz.


No image is displayed
• See if the power cord is properly connected to the
• See if the power switch is turned on.
• Adjust brightness and contrast again.
• If the product is in power saving mode, move the
• The signal from the PC (video card) is out of the
• The signal cable between PC and product is not
• Press the 'INPUT' menu in the remote Control to
• Install the product driver, which is provided with
• See if the plug&play function is supported by
• The control locking function prevents unintentional
mouse or press any key.
vertical or horizontal frequency range of the
product. Adjust the frequency range by referring
to the Specifications in this manual.
* Maximum resolution
RGB : 1920 x 1080 @60Hz
HDMI/DVI : 1920 x 1080 @60Hz
connected. Check the signal cable.
check the input signal.
the product, or download it from the web site.
referring to the video card user manual.
OSD setting change due to careless usage. To unlock
the controls, simultaneously press the Menu button
button for several seconds. (You cannot set this
function using the remote control buttons. You can set
this function in the product only.)


Table of Contents

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