Sign up for our Newsletter! Mobile Newsletter banner close. Mobile Newsletter chat close. Mobile Newsletter chat dots. Mobile Newsletter chat avatar. Mobile Newsletter chat subscribe. Prev NEXT. By: Gayle A. Cite This! Print Citation. Try Our Sudoku Puzzles! Add a comment. Active Oldest Votes. Improve this answer. Andreas Andreas 1, 10 10 silver badges 14 14 bronze badges. Worked a treat. This also works for bluray drives. Mistiry Mistiry 5, 4 4 gold badges 17 17 silver badges 16 16 bronze badges.
You do. The drive has to be able to realign the write optics to focus on the second layer. Ignacio Vazquez-Abrams Ignacio Vazquez-Abrams k 8 8 gold badges silver badges bronze badges.
Most modern DVD writers support dual-layer, but older ones might not. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. When looking at single and dual-layer DVD media, you will encounter different designations.
The technical difference for the designation refers to the manner in which data is stored. Dual-layer DVDs use both, with the reverse spiral typically on the second layer.
Plus- or minus-RW refers to the ability to erase and re-record data, although these discs are normally not as durable long-term and not recommended for critical data archiving. Single and dual-layer DVDs have another iteration, dual-sided, dual-layer.
Designated DVD, these discs house nearly 16GB of data, good for backing up entire smaller hard drives or placing a movie on one side and special features on another. DVD is another version rarely encountered today, which is dual-sided but having one layer on one side and two layers on the other. DVD is familiar to those possessing some older DVD releases, consisting of a single layer on two sides. This format was widely used to house a widescreen and full-screen movie or special features, each on its own side.
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