3.3Troubleshooting (FAQ)
Problem
Power LED is not ON
Possible Solution
•Press the 
button to check if the monitor is in the ON mode.
•Check if the power cord is properly connected to the monitor and the power outlet.
The power LED lights amber and | • Check if the monitor and the computer are in the |
there is no screen image | ON mode. |
| • Make sure the signal cable is properly connected |
| the monitor and the computer. |
| • Inspect the signal cable and make sure none of the |
| pins are bent. |
| • Connect the computer with another available |
| monitor to check if the computer is properly working. |
Screen image is too light or dark | • Adjust the Contrast and Brightness settings via |
| OSD. |
Screen image is not centered or sized properly
•Press the 
button for two seconds to automatically adjust the image (for VGA input only).
•Adjust the
Screen image bounces or a wave | • | Make sure the signal cable is properly connected to |
pattern is present in the image |
| the monitor and the computer. |
| • | Move electrical devices that may cause electrical |
|
| interference. |
Screen image has color defects (white does not look white)
•Inspect the signal cable and make sure that none of the pins are bent.
•Perform All Reset via OSD.
•Adjust the R/G/B color settings or select the Color Temperature via OSD.
Screen image is blurry or fuzzy
•Press the 
button for two seconds to automatically adjust the image (for VGA input only).
•Adjust the Phase and Clock settings via OSD.
No sound or sound is low (VB199T/S)
•Ensure that the audio cable is properly connected to the monitor and the computer.
•Adjust the volume settings of both your monitor and computer.
•Ensure that the computer sound card driver is properly installed and activated.
Chapter 3: General Instruction |
