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Old 05-23-2008, 01:07 PM   #1
anika.ella
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Cannot open dvd


I use k3b to write a dvd. When I insert the blank dvd, I was asked about the action, and I choose "write with k3b". After writting, I want to open it, but when I inserted, nothing happens ! My Fedora 9 just ignoring the DVD ! Just like the dvd does not exit ! But the dvd is OK, I can seet it on my DVD player (it is a media dvd). In fedora I cannot see it at all, in file manager or in another part. It just not exist !
Can anybody indicating me how can I make it visible ?
Thank you very much !
 
Old 05-23-2008, 03:13 PM   #2
onebuck
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Hi,

If it is a media dvd then you need to open it with the proper application. You are not going to mount a video or music media cd/dvd. You did not state the type of media. Kplayer is a multi-media player.
 
Old 05-23-2008, 08:13 PM   #3
dv502
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After opening k3B, At the bottom is a wizard to select the type of media you want to create. Just follow the prompts and k3B does the rest.

If you're creating a dvd video or music cd to be played on your home entertainment system, the files have to be prepared before hand.

Data disc are the ones usually mounted to access the files. Dvd movies and music cds either commercial or home made by you are usually played with the applications such as kmplayer, gmplayer, mplayer, xine and others.

Note: Yes, it is possible to mount dvd video and compact disc either commercial or home made if the kernel supports it.

After creating the disc, what happens next?

If you have HAL, it will detect the media type and give the appropriate actions.

If its a data disc and based on permissions and how HAL is setup, a regular user will be allowed to mount and view the disc contents.

If its a dvd video or music disc, commercial or home made, make sure you have the codecs to play them. To play encrypted dvds, you will need to install the libdvdcss or libdvdcss2 codecs.

I'm not sure, but I believe fedora does not include the codecs by default during the installation.

Check and install using the yum package manager.

yum basics

To update database

yum update

To search for a package
yum search package name

To install a package
yum install package name

To uninstall a package
yum remove package name

Last edited by dv502; 05-23-2008 at 09:35 PM.
 
Old 05-24-2008, 01:45 AM   #4
anika.ella
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WOW-that is a detailed answer !
Well, the situation is like that:
I put a blank dvd in the dvd. Fodora recognize it and ask me what to do. I choose write some avi little movies with k3b. Fedora do the job and said everithing is OK. When I put back the dvd, fodara react as nothing was in the dvd !
The DVD is just OK, on my dvd (tv) player runs OK. In windows, the same computer, when I inserted, the "autorun" start to ask me what to do.
I cannot use, in Fedora, something to play the DVD because THERE IS NO UNIT TO WHICH SEND THE PLAYER. I try with vlc, cafeine, etc. The file lister, dolphin, krusader - nobody see the dvd unit, when my dvd is inside !
If I put another dvd inside (one from the store, for example, with movie inside) everithing is OK.
Probably I have not write OK the dvd... but in win is ok !
Strange.
I will try what I was told and tell you what happen !
 
Old 05-24-2008, 03:11 AM   #5
dv502
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Are you doing this as the root user or a regular user?

If you did this as a regular user, try burning the disc again, but this time as root. When K3B finishes burning the disc, reinsert the disc and see if you get the popup message of what you want to do?

If this worked as root, then it's a user permission issue, but not always. In some distros a user must be added to the optical group to be allowed to write to disc. Check the /etc/group file and look for a line like optical or something similar for a dvd. If you see it, just add your username after the comma or from the command line as root type

Code:
gpasswd -A username optical
If optical or sonething similar for the dvd is not present, do not modify the file. Fedora might use another method to allow users to write to disc. Which I don't know.

You need to log out and log back in to take effect.

After you log back in, try burning a disc again as a regular user.

Lets hope this works...

Last edited by dv502; 05-24-2008 at 05:01 AM.
 
Old 05-24-2008, 07:14 AM   #6
onebuck
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Hi,

The k3b setup does use the 'burning' group. You should look to see what groups your user(s) are in.
 
Old 05-24-2008, 10:18 AM   #7
anika.ella
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I will try. But I have the impression that I was not very clear in my explanations: I write the DVD as a common user. After that, when I insert that DVD, being the common user that write / burn the dvd, the dvd unit seems not to exist. No reaction from he computer !
 
Old 05-24-2008, 12:18 PM   #8
dv502
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Determining the cause of this is tricky because this could be a dvd drive problem, bad dvd media, improper dvd media for your drive (i.e dvd media not supported by the dvd drive ) or an application/codec issue.


Another thing to considered is the pop up message will not appear if you have any unrecognizable data on the disc. So make sure you have the codecs and/or modules.

Another thing that could cause the disc to be unplayable or not viewable is corruption. Corruption can happen in many ways. During the burning process for example, running many applications while you're burning a disc can interfere the buffering of the dvd drive. The buffering must be constant and uninterrupted. This is no problem if you have a fast computer and even better with a hyper-treaded CPU.

Do you get the same results as the root user? Since you burned the disc already, login as root and insert the disc and see if you get the same results.

- later

Last edited by dv502; 05-24-2008 at 12:39 PM.
 
  


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