On 07/29/15 01:55, Patrick Dupre wrote: > Yes it is an issue between burners. > > I cannot switch from one (burning) and another one (read)!!! . is this problem reversible? ie, neither can read the other? this is may be due to track alignment between to drives. > The reason that I a doing that is the network, good compare with bad! > Even if the DVD is checked, it does not mean that it is going to work! . it may be better if you consider using a boot/install usb flash memory. over the past year, i have moved away from optical as i find usb the way to go. i still use dvd to archiving. "unetbootlin" and "live usb creator" are great programs to use. >> dvd's not being from reputable maker can also cause problems. > > Philips, Imation, Sony? . nothing wrong with those names. maybe age, but not names. same applies to blanks. i have used memorex for years and their optical disk are as good as their magnet tapes that i have used from mid 60's. "Is it live, or is it Memorex?" a very true slogan. ;-) >> when buying a new burner, remember you want dvd-r to match dvd-r blanks > > What does it mean? . thru out my years of playing with computers, i have read many articles on what lead up to the current day optical disk and drives from their first concept during early 70's when i built my first computer, an s100 system. there has been little change from original, but a whole lot of improvement. instead of trying to explain, i believe it would be easier to understand if you rely on the informative from wikipedia.org as it is too much to try to condense in a post. the drive; https://en.wikipedia.org/wiki/Optical_disc_drive the disk; https://en.wikipedia.org/wiki/Optical_disc types of disk; https://en.wikipedia.org/wiki/Template:Optical_storage_media use last link to locate info for the various disk types. -- If Bill Gates got a dime for every time Windows crashes... ...oh, wait. He does. THAT explains it! -+- in a world with out fences, who needs gates. CentOS GNU/Linux 6.6 tc,hago. g . -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org