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934 posts

Ultimate Geek
+1 received by user: 31


Topic # 138646 12-Jan-2014 10:38 Send private message

I have a commercial, locally produced DVD about business practices that will not play on my computer ... the green light comes on but none of the usual disk spinning/whirring sounds.  Also, viewing the drive icon shows no disk/file/s.  The drive works for every other videao, movie, sound disk I throw at it.

Now, the DVD in question WILL play when I connect and use an external, USB DVD drive, AND it will play on the DVD player connected to the TV.

I've checked the usual suspects like codecs, autoplay settings, file types etc etc.

Any ideas folks?

R.

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2950 posts

Uber Geek
+1 received by user: 523


  Reply # 965360 12-Jan-2014 10:56 Send private message

Marginal quality or slightly damaged disc, combined with a dirty lens on your drive perhaps. Can you clean the lens on the problematic drive?

504 posts

Ultimate Geek
+1 received by user: 55


  Reply # 965372 12-Jan-2014 11:12 Send private message

Pay a visit to http://www.videohelp.com/ :-)







934 posts

Ultimate Geek
+1 received by user: 31


  Reply # 965380 12-Jan-2014 11:53 Send private message

>Marginal quality or slightly damaged discdirty lens on your drive perhaps<

Cleaned and OK for any other disk.

gzt

5029 posts

Uber Geek
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  Reply # 965381 12-Jan-2014 11:55 Send private message

It is unlikely (explanations above are better) - but it is not uncommon for some drives to add additional disc format support after the initial release. You can check the current firmware version of your drive and see if there is later firmware for the exact same model. Firmware release notes (usually included in the download) will tell usually tell you if formats were added, so an install may not be required to know.

404 posts

Ultimate Geek
+1 received by user: 66


  Reply # 965447 12-Jan-2014 13:26 Send private message

Is the disk one that has been pressed or burned? If the latter, is the physical format one that your drive supports?

There are (older) drives that support DVD -R and not +R or vice versa for example.

Is the disk out of balance? I have seen DVDs produced by fringe manufacturers that were so out of balance that some drives would shutdown rather than spin the disk up to full speed in order to avoid physical damage to the drive.



934 posts

Ultimate Geek
+1 received by user: 31


  Reply # 965461 12-Jan-2014 13:41 Send private message

>Is the disk one that has been pressed or burned? If the latter, is the physical format one that your drive supports?Is the disk out of balance? I have seen DVDs produced by fringe manufacturers that were so out of balance that some drives would shutdown rather than spin the disk up to full speed in order to avoid physical damage to the drive. <

Hmmm, made by a commercial film producer.

Drive also plays - and + R disks.



404 posts

Ultimate Geek
+1 received by user: 66


  Reply # 965473 12-Jan-2014 13:53 Send private message

Rickles: >Is the disk one that has been pressed or burned? If the latter, is the physical format one that your drive supports?Is the disk out of balance? I have seen DVDs produced by fringe manufacturers that were so out of balance that some drives would shutdown rather than spin the disk up to full speed in order to avoid physical damage to the drive. <

Hmmm, made by a commercial film producer.

Drive also plays - and + R disks.




Then I would suspect that the disk is slightly out of spec. The machines that are used to make the disks do wear out and when they reach end of life they are sold on to second or third tier producers.




934 posts

Ultimate Geek
+1 received by user: 31


  Reply # 965485 12-Jan-2014 14:13 Send private message

Just odd that it plays fine on two other drives.

I will fire it up again and see just what format the file/s are.

R.

gzt

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  Reply # 965487 12-Jan-2014 14:20 Send private message

'Format' in this context does not refer to the files. It can refer to the filesystem or dvd/cd type.



934 posts

Ultimate Geek
+1 received by user: 31


  Reply # 965672 12-Jan-2014 19:51 Send private message

Yes, I appreciate the term 'format' havinf a number of meanings in this respect.

BTW, the video files are standard .VOB types.

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