Troubleshooting - Vivitek NovoTouch LK9810i User Manual

Troubleshooting

If the display does not function normally
Remote control failure
Machine automatically shuts
down
PC mode issues
Signal is out of range
Background has vertical lines or
streaks
Image lacks color or the color is
incorrect
The display format is not
supported
Touch functionality issues
Touch function invalid
Touch position is not correct
Videos do not function normally
No picture and no sound
The image features horizontal or
vertical stripes or image
dithering
No color, color is weak, or
image is weak
Audio does not function normally
Images is shown without sound
Only one speaker has sound
VGA output is shown without
sound
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Check whether there are other objects between the remote control
1
and the IR sensor window, thus leading to remote control failure.
Check whether the battery electrodes in the remote control are in
2
the correct orientation.
3 Check whether remote control needs to replace its batteries.
1 Check whether sleep is set or not.
2 Check whether there has been a sudden power outage.
Check whether there is a signal (the display may power off after a
3
period of inactivity).
1 Check whether the display is setup correctly.
2 Check whether the resolution is the best resolution.
1 Select auto correction in the OSD settings menu.
2 Adjust the clock and phase values in the OSD settings menu.
Check whether the video cables are well connected or have quality
1
problems.
2 Adjust brightness or contrast values in the OSD settings menu.
1 Select auto correction in the OSD settings menu.
2 Adjust the clock and phase values in the OSD settings menu.
1 Check whether the touchscreen driver is installed.
2 Check whether the size of point of contact is comparable to finger.
1 Check whether the touchscreen driver is installed.
2 Check whether touch pen is facing the screen.
1 Check whether the machine is in a powered state.
Check whether signal cable is plugged in correctly, and whether the
2
correct input source is selected.
If the display is in internal computer mode, check whether internal
3
computer is started.
1 Check whether signal cable is plugged in correctly.
Check whether other electronic equipment or power tools are
2
placed around the machine.
1 Adjust brightness or contrast values in the OSD settings menu.
2 Check whether signal cable is plugged in correctly.
1 Check whether the mute button has been pressed.
2 Press VOL + / - to adjust volume.
3 Check whether the audio line is connected correctly.
1 Adjust the sound balance in the OSD settings menu.
Check whether the computer's sound control panel has only set up
2
one sound channel.
3 Check whether audio line is connected correctly.
Check whether the audio out jack of the external device is
1
connected to the audio in jack.
NovoTouch User Manual
Page 36