Acer AL2021 사용자 설명서

 

9

English 

 

 

Power LED is not ON 

•  Check to see if the power switch is in the 

ON position. 

•  Ensure that the Power Cord is connected. 

No Picture 

•  Check to see if the power switch is in the 

ON position. 

•  Ensure that the Power Cord is connected. 
•  Ensure the video cable is securely 

connected to the back of the monitor and 
the computer. 

•  Move the mouse or press any key on the 

keyboard to bring the monitor out of "active 
off" mode. 

Picture shows inappropriate colors 

•  See "Color Adjustment" to adjust RGB 

color or to select color temperature. 

Picture bounces or a wave pattern 
is present in the picture 

•  Move or switch off electrical devices that 

may be causing interference. 

•  Inspect the monitor's video cable and ensure 

that none of the pins are bent. 

Image is not sized or centered 
properly 

•  Press select/auto key and the monitor will 

automatically optimize the position of your 
display. 

•  See "Position adjustment". 

 

 

Caution:  Do not attempt to service the monitor yourself or open the computer 

yourself. Please refer all servicing to qualified service personnel if 
the problems cannot be solved in "Troubleshooting" section.