Appendix – LG M2280D-PU User Manual
Page 110

110
APPENDIX
A
P
P
EN
D
IX
Audio Problems
There is no output from one
of the speakers.
■ Adjust the balance in the menu.
There is an unusual sound
from inside the product.
■ A change in ambient humidity or temperature may result in an unusu-
al noise when the product is turned on or off and does not indicate a
fault with the product.
There is no sound
when connecting via HDMI/
USB.
■ Check that you are using a High Speed HDMI cable.
■ Check that your USB cable is version 2.0 or late
■ Use a normal MP3 file
PC Mode Problems
The signal is out of range.
■ Adjust resolution, horizontal frequency, or vertical frequency on the PC.
■ Check the input source.
There is a vertical bar or
stripe in the background &
horizontal noise & incorrect
position.
■ Activate the Auto configure feature or adjust size, phase, or H/V posi-
tion. (Option)
The screen color is unstable
or in a single color.
■ TThe signal from the PC (video card) is out of the vertical or horizontal
frequency range of the product. Adjust the frequency range by refer-
ring to the Specifications in this user’s guide.
When connecting with an
HDMI cable to the PC, there
is no audio.
■ Check the manual for the video card in the PC to see if it supports
HDMI audio and how to set it up properly.