Sharp PC-AV18 Series Operation Manual page 111

Question: Why the drive does not open?
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Confirm the optical drive unit is correctly installed to your computer.
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Confirm your computer is turned on.
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When your computer is turned off, insert a fine rod into the drive tray ejection hole.
Question: Why can't I read data from a disk or play files?
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Confirm your computer is turned on.
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Confirm the disk is inserted correctly.
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Confirm the drive and file names are correct.
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Confirm the disk is not stained or scratched.
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Confirm the disk or files are supported.
Question: Why doesn't the DVD video play smoothly?
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Ensure to use AC power.
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Set back the screen resolution, color quality, and screen refresh rate to the default
value. See the specifications on the supplement for the default values of your
computer.
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Power management may be working. Disable it.
Question: Why isn't the optical drive recognized?
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If your computer is turned on with some kinds of DVD disks inserted in the drive,
the drive may not be recognized. In this case, turn off your computer and open the
disk tray by the way on Question: Why does not the drive open? on the previous
page. Remove the disk from the drive; then turn on your computer again.
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