There are a few things you can try if your Toshiba Satellite laptop won’t boot from a CD. One is to make sure that the CD is inserted correctly. Another is to try a different CD. If that doesn’t work, you may need to change some settings in the BIOS.
One thing to check is that the CD is inserted correctly. Make sure that the CD is in the drive all the way, and that the label side is facing up. If it’s not inserted correctly, the computer may not be able to recognize it.
Another thing to try is …