17
APPENDICES
TROUBLESHOOTING
The tables provided below include some problems that the user may encounter while
using the display and the corresponding solutions. Please refer to the contents of this
section prior to contacting service personnel.
Problem
Possible Causes
Solutions
No
picture
1. Is the power cable
connected to the
unit?
2. Is the unit turned
on?
3. Is the signal cable
connected to the
unit?
4. Is the unit in power
saving mode?
1. Make sure the power cable has been properly
connected to the unit.
2. Turn on the unit.
3. Make sure the signal cable has been properly
connected to the unit.
4. Press any key on computer keyboard.
Strange
color
1. Is the signal cable
connected to the
unit?
1. Make sure the signal cable has been properly
connected to the unit.
Picture
distortion
1. Is the signal cable
connected to the
unit?
2. Is the video input
signal within the
unit's specified
frequency range?
1. Make sure the signal cable has been properly
connected to the unit.
2. Make sure the input signal is within the unit's
specified frequency range.
Picture
is too
dim
1. Have the unit's
brightness and
contrast settings
been set to the
lowest level?
1. Adjust brightness and contrast
Only
sound
but no
picture
1. Is the connection
of the input signal
correct?
1. Check connection of input signal.
2. Make sure the signal cable has been properly
connected.
Only
picture
but no
sound
1. Is the signal cable
connected to the
unit?
2. Has the volume
been set to the min
level?
3. Is the audio cable
connected to the
unit?
1. Make sure the signal cable has been properly
connected to the unit.
2. Adjust the volume to an appropriate setting.
3. Make sure the audio cable has been properly
connected to the unit.
