How can i rewrite a dvd

In case some users don't know how to erase a DVD disk, here we list the detailed steps:. Step 4: On the toolbar, click "Erase this disc", and then follow the steps in the wizard to successfully erase, clear, or wipe CD or DVD. Formatting or erasing a hard drive is somehow a must for some specific usages. This tool allows you to format a disk with simple steps. Don't hesitate to give it a try. Step 1. Step 2. Step 4. Besides, it also provides other useful features to help you manage your disks and partitions flexibly.

Well, if you want free space to add additional files or data, you will need to delete files on DVD RW or need to erase them. These re-writable disk s cannot be deleted or edited easily. But, as long as you follow the steps mentioned in this article, erasing a DVD is easy and takes no time.

Quickly erase: delete files from the DVD, and it takes only a few minutes to finish the process. Completely erase: if you are unable to read or rewrite contents on the disk, choose this option. In this part or step-by-step guide, we have explained the ways to delete files on DVD-R for both Windows as well as Mac. I know there were no such hacks observed. But if we consider case of corporate attack firmware virus created by ROM device producing corporation itself on privacy of a person.

Would it be possible in such scenario to rewrite DVD-R and other kinds of non rewritable disks? Or is this impossible because of physics of the process provide a link to proof please or is it impossible because of non programmable chip on disk reader circuit?

Recording on DVD-R discs is accomplished through the use of a dye recording layer that is permanently transformed by a highly focused red laser beam. This dye substance is spin-coated onto a clear polycarbonate substrate that forms one side of the body of a complete disc. The substrate is injection moulded, and has a microscopic, pre-grooved spiral track formed onto its surface. This groove is used by a DVD-R drive to guide the recording laser beam during the writing process, and also contains recorded information after writing is completed.

A thin layer of metal is then sputtered onto the recording layer so that a reading laser can be reflected off the disc during playback. A protective layer is then applied to the metal surface, which prepares the side for the bonding process. Sign up to join this community. The best answers are voted up and rise to the top. On the other hand, there are significant problems with use of the CD's. In the first place, using CD's can cause in losing data after a long period of time, for instance, if you have copied data on a CD, and then CD has been scratched.

So the data could be lost. Because there are three main advantages to using USB flash drives. Secondly, They are flexible and easy to move. Finally, They are more safety and keeping for data. Well, this isn't about reliability issue. For example, you have a school project that needs to be passed on a CD, and you accidentally burned the wrong file, so what would you choose? Even USB flash drives get corrupted having a higher risk than optical discs. So the best way is to have multiple back-ups, put it on your preferred storage device, and also burn them on discs, safekeep it.

I usually do back-ups of my important files on a DVD and have 2 copies each, and keep it on two different physical locations. Hi there! Great bit of info!