User Manual
Page 19
...you can self-diagnose the problem. (VGA Mode) Problems No Picture Abnormal Picture Abnormal Sound (Only AudioInput model) (Optional) Current Status Remedy LED ON Using OSD, adjust brightness and contrast to maximum or reset to their default settings. Unstable Picture Check if the ...of graphics adapter and monitor is in compliance which may be causing the input signal frequency mismatch. TROUBLESHOOTING Before sending your LCD monitor for a few seconds after adjusting the size of the image before changing or disconnecting the signal cable or powering OFF the monitor...
...you can self-diagnose the problem. (VGA Mode) Problems No Picture Abnormal Picture Abnormal Sound (Only AudioInput model) (Optional) Current Status Remedy LED ON Using OSD, adjust brightness and contrast to maximum or reset to their default settings. Unstable Picture Check if the ...of graphics adapter and monitor is in compliance which may be causing the input signal frequency mismatch. TROUBLESHOOTING Before sending your LCD monitor for a few seconds after adjusting the size of the image before changing or disconnecting the signal cable or powering OFF the monitor...