BenQ TL650 Large Display User Manual - Page 55
Troubleshooting
![]() |
View all BenQ TL650 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 55 highlights
Troubleshooting 55 Troubleshooting Problem No picture No sound The computer input image looks strange The control panel buttons do not work Solution Check the following: • Is the display turned on? Check the power indicator of the display. • Is the signal source device turned on? Turn on the device and try again. • Are there any loose cable connections? Make sure that all cables are connected firmly. • Have you chosen an unsupported output resolution on the computer? Refer to Supported input signal resolution on page 44 to select a supported resolution and try again. • Have you chosen an unsupported output resolution on the DVD or Blu-ray disc player? Refer to Supported input signal resolution on page 44 to select a supported resolution and try again. Check the following: • Have you turned on the mute function on the display or the input source device? Turn off the mute function or increase the audio volume level and try again. • Are there any loose cable connections? Make sure that all cables are connected firmly. • Have you chosen an unsupported output resolution on the computer? Refer to Supported input signal resolution on page 44 to select a supported resolution and try again. • Use the Auto Adjustment function (See Auto Adjustment on page 36) to let the display automatically optimize the display of computer image. • If the result of the Auto Adjustment function is not satisfactory, use the Clock Frequency, Phase, H Position and V Position functions to manually adjust the image. Have you locked the control panel buttons? Unlock the buttons and try again.
![](/manual_guide/products/benq-t420-large-display-user-manual-0fae36c/55.png)