Sectors are sequenced from the beginning of the first layer to the end of the first layer, then the beginning of the second layer to the end of the second layer. In OTP mode, the second layer is read from the outside of the disk. A simpler way to understand what’s written above is to think of the little hole in the centre of the DVD as the “inside” and the rim of the DVD as the “outside”. DL drives started appearing on the market during mid, at prices comparable to those of existing single-layer drives. Its use was first demonstrated in October Best of luck, Bob. I have used this solution many times.

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Flaming or offending other users Illegal activities: This post has been flagged and will be reviewed by our staff. Back to Computer Help forum 8 total posts.

I will continue to explore some of your thoughts. What possibly happened to trigger this unhappy situation like trying to remove a rootkit for example, or some unhappy use of regedit, or removal of software like Adaptec? When did they last work. CNET’s forum on computer help is the best source for finding the solutions to your computer problems.


A common misconception is that the disc spins first in one direction, and then another, either for PTP or OTP recording, when in fact DVD-Writers always spin a disc in the clockwise direction.

Subject: CD & DVD not accessible

For DVD-Video a variation of the technique is employed. Optical media types Compact disc CD: There are some that would dismiss this easy item since they didn’t install Roxio or other. I agree with R. See articles on the formats in question for information on compatibility issues.

Thank you all for your help. SL stands for standard single-layer discs, while DL denotes the dual-layer variants. Before that Roxio 5. I don’t believe I have ever had Adaptec. Advertisements or commercial links.

Also please exercise your best judgment 16z8 posting in the forums–revealing personal information such as your e-mail address, telephone number, and address is not recommended. I don’t believe I have ever had”.

Subject: CD & DVD not accessible – Forums – CNET

A simpler way to understand what’s written above is to think of the little hole in the centre of the DVD as the “inside” and the rim of the DVD as the “outside”. Proffitt Forum moderator August 20, 8: You’ll find discussions about fixing problems with computer hardware, computer software, Windows, virusessecurityas well as networks and the Internet. Promote cracked software, or other illegal content Offensive: If you’re asking for technical help, please be sure to include all your system info, including operating system, model number, and any other specifics related to the problem.


The drive with dual-layer capability accesses the second layer by shining the laser through the first semi-transparent layer. You are posting a reply to: Knees- Every thing was working earlier in the month.

This was helpful 0. Status shows Your ”Registry might be corrupted” code 19 Tried rebooting to ”last KNown good configuration”. Dvdd Read Edit View history.

General Optical disc Optical disc drive Optical disc authoring Authoring software Recording technologies Recording modes Packet writing. No unhappy use of the Regedit,or rootkit removal Thanks for your interest in my problem. Best of luck, Bob.

The layer change can exhibit a noticeable pause in some DVD players, up to several seconds.