Troubleshooting - LG FLATRON LCD 575MS User Manual

NOTE
If the power indicator(LED) light is
blinking amber, may result in
abnomal condition of the monitor.
Then press a power ON/OFF
button on the front panel control
and call your service technician for
more information.

Troubleshooting

Check the following before calling for service.
Display Position is incorrect.
Push the AUTO/SET Button.
If the results are unsatisfactory, adjust the image position using the H
position and V position icon in the on screen display.
On the screen background, vertical bars or stripes are visible.
Push the AUTO/SET Button.
If the results are unsatisfactory, decrease the vertical bars or stripes
using the CLOCK icon in the on screen display.
Any horizontal noise appearing in any image or characters are
not clearly portraid.
Push the AUTO/SET Button.
If the results are unsatisfactory, decrease the horizontal bars using the
PHASE icon in the on screen display.
NO SIGNAL message.
The signal cable is not connected, or is loose. Check and secure the
connection.
OUT OF RANGE message appears.
Picture is blank.
The frequency of the signal from the video card is outside the operating
range of the monitor.
*Horizontal Frequency: 31kHz-69kHz
*Vertical Frequency: 56Hz-85Hz
Use the graphics board's utility software to change the frequency setting (Refer
to the manual for graphics board).
You can change the setup to the supported resolution using the Safe Mode
(Press the F8 key during booting the system).
The power LED is illuminated amber.
The monitor is in its display power management mode.
There is no active signal coming from the PC.
The signal cable is not fastened securely.
Check the computer power and graphics adapter configuration.
The monitor doesn't enter the power saving off mode (Amber).
Computer video signal is not VESA DPMS standard. Either the PC or
the video controller card is not using the VESA DPMS power
management function.
A14
Technical Information