Sony VGN-N300 - Manual (Page 120)

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Troubleshooting
Optical Discs
Why does my computer freeze when I try to read a disc?
The disc that your computer is trying to read may be dirty or damaged. Follow these steps:
1 Press the Ctrl+Alt+Delete keys and click the arrow next to the Shut down button and Restart to restart the computer.
2 Remove the disc from the optical disc drive.
3 Check the disc for dirt or damage. If you need to clean the disc, see On Handling Discs (page 98) for instructions.
What should I do if the drive tray does not open?
❑ Make sure your computer is on.
❑ Press the drive eject button.
❑ If the drive eject button does not work, click Start and Computer. Right-click the optical disc drive icon, and select Eject
from the shortcut menu.
❑ If none of the above options work, insert a thin, straight object (such as a paper clip) in the manual eject hole on the optical
disc drive.
❑ Try restarting your computer.