Troubleshooting - IBM E74M User Manual

Troubleshooting

Self diagnostics message.
■The signal cable is not connected, or is loose. Check and secure
the connection.
OUT OF FREQUENCY message appears.
■ The frequency of the signal from the video card is outside the
operating range of the monitor.
O U T O F F R E Q U E N C Y
H F : 1 2 0 . 8 K H Z
V F : 1 1 0 . 1 H Z
O P E R A T I N G F R E Q U E N C Y
H F : 3 0 - 7 0 K H Z
V F : 5 0 - 1 6 0 H Z
P O W E R M A N A G E M E N T 2 0 S E C .
Use the graphics board's utility software to change the
frequency setting (Refer to the manual for graphics board).
The power LED is illuminated amber.
■ 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 image on the SCREEN is not centered, or too small, or not
a rectangle shape.
■ Image adjustment not been done yet in the current operating
mode. Use the SELECT and ◀ or ▶ buttons to set the image
to your liking.
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.
An abnormal picture is displayed on the screen. For example, the
upper part of the picture may be missing or dark.
■If using certain non-VESA Standard video card, an abnormal picture
may be displayed. Try setting it to one of the factory preset modes,
or selecting to a resolution and refresh rate within the specification
limits of the monitor.
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.
*Horizontal Frequency: 30-70kHz
*Vertical Frequency: 50-160Hz
A18