Troubleshooting - BenQ BH2401T User Manual

42

Troubleshooting

Troubleshooting
Problem
No picture
No sound
The computer input
image looks strange
The control panel
buttons do not work
The remote control does
not work
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
on page 41 and Troubleshooting on page 42
supported resolution and try again.
• Have you chosen an unsupported output resolution on
the DVD or Blu-ray disc player? Refer to
signal resolution on page 41
42 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
page 41 and Troubleshooting on page 42
supported resolution and try again.
Have you locked the control panel buttons? Unlock the
buttons and try again.
• Have you locked the remote control function? Unlock the
function and try again.
• Check for incorrect battery orientation.
• Check for dead batteries.
• Check your distance and angle from the display.
• Check whether remote control is properly being pointed
at the display's remote control sensor window.
• Check for any obstacle between the remote control and
the remote control sensor window.
• Check that the remote control sensor window is not
under strong fluorescent lighting, or in direct sunlight.
• Check for any devices (computer or personal digital
assistant, PDA) nearby that transmit infrared signals which
may cause interference to signal transmission between the
remote control and the display. Turn off the infrared
function of these devices.
Solution
Supported input signal resolution
and Troubleshooting on page
Supported input signal resolution on
to select a
Supported input
to select a