NEC M Series 32" Commercial PCAP Touchscreen Display - Manual (Page 65)

English−61
Chapter 7
Troubleshooting
This Chapter Includes:
> “Screen Image and Video Signal Issues” on page 62
> “No picture” on page 62
> “Image persistence” on page 62
> “The image is blinking” on page 62
> “The image is unstable, unfocused or swimming is apparent” on page 63
> “The image is not properly reproduced” on page 63
> “Selected resolution is not displayed properly” on page 63
> “Video contrast is either too high or too low” on page 63
> “Hardware Issues” on page 63
> “ ⏻ button does not respond” on page 63
> “No sound” on page 63
> “The remote control is not functioning” on page 63
> “The SCHEDULE/OFF TIMER function is not working properly” on page 63
> “Snowy picture, poor Sound in TV” on page 64
> “The USB hub does not operate” on page 64
> “Interference in TV” on page 64
> “RS-232C or LAN control is not available” on page 64
> “The monitor goes into standby automatically” on page 64
> “Media player function does not recognize the USB storage device” on page 64
> “Power Indicator Patterns” on page 64
> “LED on the monitor is not lit (no blue or red color can be seen)” on page 64
> “LED colors, except for blue, are blinking or glowing” on page 64