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5. Trouble Shooting
Symptom
Possible Cause
Solution
The screen does not display
anything; there is no sound,
and the indicator does not
come on
Looseness of power plug,
power connection failure
Check if the power cord is
properly connected
Pictures shown on the product
have dotted line or stripe
interference
Signal interference caused by
automobile, neon light, electric
hair dryer, etc.
Do not use electric hair dryer
near the product; adjust the
antenna orientation to reduce
interference
Pictures are colorless
Color saturation is set too low
Enter “Picture” settings to
increase the color saturation
The product has no
accompanying sound
1. Volume is set too low
2. Sound is muted
1. Adjust the volume to a
proper level
2. Press the “MUTE” key
on the remote control to
unmute the product
The Display does not display
anything, and gives a prompt
indicating no signal input; the
red indicator blinks
Looseness or removal of the
signal connection cable
Check if the signal connection
cable is loosened or has come
off; if so, reconnect it
Pictures shown on the Display
are offset, do not cover the
entire screen, go beyond the
screen, or are blurred
1. Improper adjustment
2. Wrong display mode
1. Use the auto adjustment
function
2. Enter “Screen Adjustment”
to adjust the horizontal or
vertical position
3. Use the recommended
mode
Short remote control distance,
malfunction of remote control
1. The remote receiver of
the product is blocked by
some object
2. Battery level of the remote
control is low
1. Move the object to avoid
blocking the remote
receiver
2. Replace the battery
A link cannot be accessed via
the browser
1. Wrong network parameter
configuration
2. Improper network
connection
3. Network service is not
activated
1. Ask the network
administrator for available
network IP addresses and
other parameters
2. Check if the network
connection cable is
properly connected
3. Consult the network
service provider