I/O errors can be indicative of a bad CD. Have you tried verifying the MD5SUM of the image (https://help.ubuntu.com/community/HowToMD5SUM) or burning the CD at a slower speed?
I/O errors can be indicative of a bad CD. Have you tried verifying the MD5SUM of the image (https:/ /help.ubuntu. com/community/ HowToMD5SUM) or burning the CD at a slower speed?