Microtek C589P User Manual page 22

Display is not
synchronized.
4. While the "ATTENTION" message is displayed on the screen:
It can be classified into two categories, i.e, Power Management is set to OFF
and Power Management is set to ON.
a)Power Management is set to OFF.
l Check if the signal cable is connected correctly to the computer.
l Check if the cable is broken.
b) Power Management is set to ON.
l Check if the signal cable is connected correctly to computer.
l Check if the cable line is broken
l
Check if the Power Management Function is operating correctly.
The signal cable is properly connected.
The signal timing of the computer is within the specs.
The video output level of the computer is within the specs.
2 0