Sony VGN-A170 - Manual (Page 256)

Why does my computer freeze when I try to read a disc?
 The disc your computer is trying to read may be dirty or damaged. Follow these steps:
1. Restart the computer by clicking Start , Turn Off Computer , and Restart .
2. Eject the disc from the optical drive.
3. Examine the disc for dirt or damage. If the disc is dirty, see How do I maintain CDs and DVDs? for
instructions on how to clean it.
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