User Manual
Page 21
...signal cable is properly connected at the back of monitor. · Check if the power of computer system is in compliance which may be causing the input signal frequency mismatch. X223W 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. Unstable Picture · Check if the specification of missing full-screen size...
...signal cable is properly connected at the back of monitor. · Check if the power of computer system is in compliance which may be causing the input signal frequency mismatch. X223W 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. Unstable Picture · Check if the specification of missing full-screen size...