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TROUBLESHOOTING
Symptom
No image is displayed.
The 'Out of Range' message is
displayed on the screen.
The 'No Signal' message is
displayed on the screen.
The screen position is incorrect
when using a PC.
There are still images sticking after
power off.
The display is discoloured (16
Colour).
The screen Colour is unstable or
the images are displayed in only
one Colour.
Spots appear on the screen.
The 'Key Locked' message
displays on the screen.
The remote control is not working.
Nothing is displayed on the TV
screen.
Troubleshooting
Check whether there is a power cut or whether the power
y
cord is properly connected to the power outlet.
Check if the standby indicator is turned off.
y
If the screen is turned off due to use of the Energy Saving
y
mode, press any button on the remote control to disable
the Energy Saving mode and display the image.
Move the mouse or press any key, then the screen will
y
appear.
This symptom occurs when signals from the PC (video
y
card) are out of the horizontal or vertical frequency range of
the product. Please see the Product Specification section
of this manual and configure your display again.
This symptom occurs when the signal cable between the
y
PC and the product is not connected. Check the signal
cable and connect it again.
Check if the input setting is correct when the PC and the
y
product are connected.
Check whether the resolution or frequency of the video
y
card is set within the appropriate range for the product
and go to Control Panel> Display> Settings to set it to the
recommended resolution.
Displaying a still image for a prolonged time may cause
y
damage to the screen, resulting in the retention of the
image.
Use a screen saver to protect the screen when using the
y
product for a prolonged period of time.
Set the Colour to 24 bit (true Colour) or higher. In Windows,
y
go to Control Panel> Display> Settings> Colour Quality.
Check if the signal cable is connected properly. Reconnect
y
the cable or reinsert the PC's video card.
When using the Product, pixilated spots (red, green, blue,
y
white or black) may appear on the screen. This is normal
for the LCD screen. It is not an error nor is it related to the
Product's performance.
The key lock is enabled. Go to Menu> Settings (Lock) and
y
set 'Key Lock' to Off.
Make sure that there are no obstacles between the remote
y
control and the Product.
Check whether the batteries are correctly inserted with the
y
correct polarity.
If the batteries are weak, replace both of the batteries with
y
new ones.
The product may malfunction in a place where a lamp with
y
an electronic stabilizer (3-wavelength lamp) is installed.
Use the TV/PC switch key to select TV.
y
TROUBLESHOOTING
65
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