Lenovo 04N7322 - Manual (Page 15)

A12
Troubleshooting
Symptom: The power LED is amber.
Possible causes:
Display power management mode.
There is no sync signal.
The signal cable is not fastened securely.
Check the computer power and graphics adapters configuration.
The frequency of the sync input is outside the operating range of
the monitor.
HORZ: 30kHz-49kHz
VERT: 50Hz-90Hz
Symptom: The image on the SCREEN is not centered, or too small
or not a rectangle shape.
Possible Causes: Image adjustment not been done yet in the current
operating mode. Use the SELECT and +/- buttons to set the image to
your liking.
Symptom:The monitor doesn't enter the power saving off mode
(Amber led).
Possible Causes:Computer video signal is not VESA DPMS
standard. Enter the PC or the video controller card is not using the
VESA DPMS power management function.
3828TUO032A-1 99.5.31 1:35 PM ˘ ` A12