Methods for Toshiba laptop to play discs intermittently:
1. Right-click "My Computer" select "Management"
2. Select "Device Manager" from the opened "Computer Management"
3. Double-click "Device Manager" IDE ATA/ATAPI Controller"
4. Right-click "Secondary IDE Channel" and select "Properties"
5. Select "Advanced Settings" and view "Device 0" and " Is the transfer mode in "Device 1" changed to "PIO only"
6. Change the transfer mode in "Device 0" and "Device 1" to "DMA if available"
7. If the problem cannot be solved, just delete the secondary IDE channel and restart the computer