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Problem
The playback is slow or choppy.
A message indicating invalid disc or no disc
found is displayed.
Serial connector problems
Problem
The serial connector cannot be accessed.
USB device problems
A USB device cannot be accessed.
Solutions:
• Connect the USB cable from the USB connector to the USB device. If the USB device has its own power
cord, connect the power cord to a grounded electrical outlet.
• Turn on the USB device and keep the device online.
• Install any device drivers or programs supplied with the USB device. Refer to the documentation that
comes with the USB device for more information.
• Disconnect and reconnect the USB connector to reset the USB device.
• Ensure that the Smart USB Protection function is disabled. To configure the Smart USB Protection
function, see "Using the Smart USB Protection function" on page 32.
50
P330 User Guide
Solution
• Disable any background programs, such as AntiVirus or Desktop
Themes.
• Ensure that video resolution is less than 1152 x 864 pixels.
• Ensure that the disc is in the drive with the shiny side of the disc
facing down.
• Ensure that video resolution is less than 1152 x 864 pixels.
• Ensure that the DVD or CD is inserted into an appropriate optical
drive. For example, do not insert a DVD into a CD-only drive.
Solution
• Connect the serial cable from the serial connector on the computer
to the serial device. If the serial device has its own power cord,
connect the power cord to a grounded electrical outlet.
• Turn on the serial device and keep the device online.
• Install any programs supplied with the serial device. Refer to the
documentation that comes with the serial device for more
information.
• If you added one serial-connector adapter, ensure that the adapter
is installed correctly.
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