User Manual
Page 22
...LED OFF · Check the power switch. Unstable Picture · Check if the specification of graphics adapter and monitor is properly connected to their default settings. EN-21 small or too large in display · Using OSD, in compliance which may be causing the input signal frequency mismatch. TROUBLESHOOTING Before sending your LCD monitor.... (VGA Mode) Problems Current Status Remedy LED ON · Using OSD, adjust brightness and contrast to maximum or reset to the monitor. shift, or too POSITION with non-standard signals. LED displays blinking blue · Check if video...
...LED OFF · Check the power switch. Unstable Picture · Check if the specification of graphics adapter and monitor is properly connected to their default settings. EN-21 small or too large in display · Using OSD, in compliance which may be causing the input signal frequency mismatch. TROUBLESHOOTING Before sending your LCD monitor.... (VGA Mode) Problems Current Status Remedy LED ON · Using OSD, adjust brightness and contrast to maximum or reset to the monitor. shift, or too POSITION with non-standard signals. LED displays blinking blue · Check if video...