BenQ PH460 User Manual - PH460 & PL460 - Page 44

Troubleshooting, Clock Frequency, Phase, Position

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44 Troubleshooting 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 41 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 41 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 41 to select a supported resolution and try again. • Use the Auto Adjustment function (See Adjust Screen on page 34) 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. DS - PH/PL - M - V0

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Troubleshooting
44
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 41
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 41
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 41
to select a supported resolution and try again.
• Use the
Auto Adjustment
function (
See Adjust Screen on
page 34
) 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.
The control panel
buttons do not work
Have you locked the control panel buttons? Unlock the
buttons and try again.
DS – PH/PL – M – V0