Wide IF2105M, User Manual, Page: 19 / 22

18
Appendix
Troubleshooting
No picture
• Make sure that the power cord is completely connected. (See page 8.)
• Make sure that the LCD Monitor and computer power switch are on.
• Check the signal cable connector for bent or pushed-in pins.
The display image is too light or too dark.
• Adjust the Brightness. (See page 10.)
Screen is blank and power indicator light is steady red or blinks every 0.5 or 1
seconds.
• Make sure that the signal cable is completely connected to the display card or
computer.
• Make sure that the display sources or computer are turned on. (See page 8.)
• The monitor is in the power management system.
• Press any key on the keyboard or move the computer's mouse.