Why Do Not Identify?
Be used on HUB or extension cord. Must be plugged into the computer and can not be plugged into the HUB.
Why Do Not Work?
Must plugged into behind the chassis when you use desktop computer.
Why Do Not Read?
The disc is in the wrong direction. Place the disc in the right direction.
Why Do Not Burn?
Install the burning software correctly.
Why Lound Noisy?
Some DVD discs are thicker than normaldiscs so the noise will be louder duringoperation.