Instruction Manual
9
TROUBLESHOOTING
PROBLEM
SOLUTION
No video/ picture (led not lit)
• Make sure the video cable between the monitor
and computer is connected properly and securely.
• Use other electrical equipment to confirm that the
power outlet is working properly.
• Make sure the power button is pressed correctly.
• Make sure the correct input source is selected
through the input source menu.
No video/ power/ picture (led lit)
• Improve brightness and contrast with OSD.
• Check whether the indicators on the side are
normal.
• Check if the video cable connector pins are bent or
broken.
• Check whether the power adapter is properly
connected.
• Make sure the correct input source is selected
through the input source menu.
Missing pixels/ spots and light leaks on the
screen
• Turn off and on again.
• Restore the monitor to factory settings.
• Use OSD to adjust brightness and contrast.
• Pixels that are permanently off are an inherent
defect in LCD technology.
• Contact us about monitor quality and pixel issues.
Display fails when switching
• Make sure that the video cables of the monitor and
HDMI output device are properly connected.
• Reset the monitor to factory settings.
Picture is missing colours
• Make sure the video cable connecting the monitor
and the computer is properly connected.
• Adjust custom r / g / b values. Colour in the colour
menu of OSD.
• In the advanced settings OSD, change the input
color format to PCRGB or
YPbPr.
Screen image is too small
• Check the aspect ratio setting in the monitor
settings OSD
• Restore the monitor to factory settings.
Osd does not appear on the screen
• Turn off the monitor, disconnect and reconnect the
power cord, and turn on the monitor.
No picture, indicator light is blue
• Check the signal source. Make sure the computer
or phone is not in sleep mode.
• Check that the signal cable is properly inserted.
Reconnect the signal cable if necessary.
• Restart your computer or phone.
The picture does not fill the entire screen.
• Since the resolution of the same screen of the
mobile phone can be re-scaled (aspect ratio), the
display can be displayed in full screen.
• Computer equipment can be set to 16: 9
resolution, the display can be full screen display
• Play a video source with a 16: 9 video sources,
and the monitor can display full screen.