MAINTENANCE / TROUBLESHOOTING
cleaning your TV
Clean your TV regularly to keep the best performance and to extend the product lifespan.
y Make sure to turn the power off and disconnect the power cord and all other cables first.
y When the TV is left unattended and unused for a long time, disconnect the power cord from the wall
outlet to prevent possible damage from lightning or power surges.
Screen, frame, cabinet and stand
y To remove dust or light dirt, wipe the surface with a dry, clean, and soft cloth.
y To remove major dirt, wipe the surface with a soft cloth dampened in clean water or a diluted mild
detergent. Then wipe immediately with a dry cloth.
y Avoid touching the screen at all times, as this may result in damage to the screen.
y Do not push, rub, or hit the screen surface with your fingernail or a sharp object, as this may result in
scratches and image distortions.
y Do not use any chemicals as this may damage the product.
y Do not spray liquid onto the surface. If water enters the TV, it may result in fire, electric shock, or
Remove the accumulated dust or dirt on the power cord regularly.
y Check the remote control sensor on the product and try again.
the TV with the
y Check if there is any obstacle between the product and the remote control.
y Check if the batteries are still working and properly installed (
No image display
y Check if the product is turned on.
and no sound is
y Check if the power cord is connected to a wall outlet.
y Check if there is a problem in the wall outlet by connecting other products.
The TV turns off
y Check the power control settings. The power supply may be interrupted.
y Check if the Auto sleep feature is activated in the Time settings.
y If there is no signal while the TV is on, the TV will turn off automatically after
15 minutes of inactivity.
y Turn the TV off/on using the remote control.
to the PC (RGB/
y Reconnect the RGB/HDMI cable.
y Restart the PC with the TV on.
'No signal' or
'Invalid Format' is