The image is not properly reproduced, Selected resolution is not displayed properly, Video contrast is either too high or too low – NEC MultiSync M491 49" Class HDR 4K UHD Commercial IPS LED Display User Manual
Page 68: Hardware issues, Button does not respond, No sound, The remote control is not functioning, No sound the remote control is not functioning
![The image is not properly reproduced, Selected resolution is not displayed properly, Video contrast is either too high or too low | Hardware issues, Button does not respond, No sound, The remote control is not functioning, No sound the remote control is not functioning | NEC MultiSync M491 49" Class HDR 4K UHD Commercial IPS LED Display User Manual | Page 68 / 97](/screens/870933/68.png)