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-2
votes
0answers
13 views

How to know if an optical is able to read CAV written DVD by software?

Some TV DVD recorder use CAV (Constant angular velocity) to record TV programs. The problem is that most optical drives from the PC world can't read such DVDs... So, How I can detect if the drive ...
0
votes
0answers
18 views

File access denied *after* burning to disc

After using the built-in CD burner on WIN2k8 R2 to burn files downloaded by a regular user, all of the burned files seem to have changed the ownership to Administrator, since the regular user gets the ...
1
vote
2answers
85 views

Why can't CDs/DVDs be partitioned?

Nearly everywhere it's written that it's not possible.. But why? Why can't I dump a GPT/MBR partition table in the first sector? Basically dump a disk layout with sector size 2048... Now I'm sure ...
1
vote
0answers
22 views

What is using my CD/DVD drive [duplicate]

I have a Windows 8.1 laptop and the CD/DVD drive periodically makes noises as if something is trying to acccess it, even though there is no disk in there. Also the optical disk access mouse cursor ...
3
votes
0answers
37 views

Accessible materials with same refractive index as polycarbonate [duplicate]

There is a common home-remedy for scratched flat-screen monitors that says to rub a bit of petroleum jelly into the scratch. The rationale being that because the jelly has a similar refractive index ...
-1
votes
2answers
363 views

How to Read Old DVDs? [closed]

I'm wondering what should I do to read old DVD-R disk written 3-10 years ago. I have to put my old data archive to a hard disk. I've tried several DVD-drives, but none of them helped me with this ...
34
votes
8answers
2k views

Will there ever be faster CD and DVD discs and writers?

I was thinking about the fact that in the last years I have never seen CDs and DVDs supporting writing/reading speeds higher than 52X and 16X, respectively. Is this a commercial choice (i.e. ...
0
votes
2answers
647 views

What is difference between mode and state? [closed]

What is difference between mode and state? In many article we can see the term use of mode, like sleep mode, deep sleep mode. then again, we can find state, such as listen state, transmit state and ...
3
votes
2answers
695 views

Can a scratched CD/DVD harm to DVD drive's laser head?

Long time ago, during the days I own my first computer in 2001, I heard that scratched CD/DVD can harm to the laser head of the DVD drives. Is it true? Is it even true for today's DVD drives? I've ...
3
votes
2answers
325 views

What are these oddly shaped optical media?

I found the following image of oddly shaped optical media on http://support.apple.com/kb/HT2801, under Other discs, which will not work with these computers: I know that the one on the top left is ...
2
votes
3answers
84 views

Why does my machine freeze when scratched or non-standard optical media are inserted at boot time?

My Windows XP SP3 machine freezes when scratched or non-standard optical media are inserted during the boot sequence. It seems that the system tries to preload some data from the CD, and when it ...
18
votes
2answers
16k views

What is the lifespan of DVD and Blu-ray discs?

Given that they are protected from light, humidity and excessive heat & cold, what is the lifespan range of DVD and Blu-ray discs?
1
vote
1answer
417 views

How to place TueCrypt bootloader on CD?

Context I want to encrypt my entire OS according to this tutorial, which involves a decoy OS and a hidden one. The problem I have with this setup is that the bootloader could be compromised with a ...
2
votes
1answer
141 views

What are the main causes of optical media corruption?

I burned an Ubuntu 10.04 ISO to a CD-R (using the slowest speed there was in the software) only little over a month ago. I just checked the md5 now and found out that the disc had become corrupt. The ...
0
votes
1answer
176 views

filename checker

Is there a software that can check for filenames in a certain folder. So that there wouldn't be any error when trying to burn those files into a dvd or any optical media. I always burn different kinds ...
3
votes
2answers
379 views

Why does burning a CD ISO image to DVD work?

Following on from this question: Can I burn a CD ISO to DVD? How/why does this work? Is an ISO image a physical media neutral format?