Acer 501 Computer Monitor User Manual


 
12
Troubleshooting
Please refer to the following solutions for the failure symptoms that occur the most
frequent. If the symptom remains after trying these suggested solutions, please
contact your local authorized service center.
Problem: Power LED is not lit when monitor is powered on.
Check to make sure that the power cord is connected properly.
Make sure that the extension cord or the surge protector is turned on
if the monitor is plugged into a power extension cord or a surge
protector.
Problem: No display appears on screen.
Make sure that the computer switch is in the “On” position.
Make sure that the video cable’s D-shaped connector is properly
connected to the video adapter port on the back of the PC.
Check to make sure that the brightness and contrast controls are not
turned to their dimmest position.
Problem: Display image is either flickering or unstable.
Make sure that the video cable’s D-shaped connector is connected
properly to the video adapter port on the back of the PC.
Problem: Image is bouncing or in a wave pattern.
Move any electrical devices that can cause interference away from the
monitor.
(
Note: Please refers to the FCC statement at the beginning of the
manual for more details on display interference.)