BenQ RM8602K User Manual - Page 77

Troubleshooting

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Troubleshooting 73 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 71 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 71 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 71 to select a supported resolution and try again. • Use the Auto function (VGA only) to let the display automatically optimize the display of computer image. • If the result of the Auto function is not satisfactory, use the 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.

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Troubleshooting
73
Troubleshooting
Problem
Solution
No picture
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 71
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 71
to select a supported
resolution and try again.
No sound
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.
The computer input
image looks strange
• Have you chosen an unsupported output resolution on
the computer? Refer to
Supported input signal resolution
on page 71
to select a supported resolution and try again.
• Use the
Auto
function (VGA only) to let the display
automatically optimize the display of computer image.
• If the result of the
Auto
function is not satisfactory, use
the
Phase
,
H Position
and
V Position
functions to
manually adjust the image.
The control panel
buttons do not work
Have you locked the control panel buttons? Unlock the
buttons and try again.