DVD disc not seen
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Posted by bizee on February 9, 2008, 12:34 pm
Please log in for more thread options used to do this however. Now when putting the DVD's in either one of my DVD drives (one is RW one is Read only). then when going to windows explorer it says insert a disk (for the read only drive). Drive not accessible (for the read/ write drive). Now I'm scared those backups of lots of files are gone. Any help or suggestions? TIA | ||||||||||||||||
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Posted by kony on February 9, 2008, 4:15 pm
Please log in for more thread options Are you certain the discs were readable right after they were burnt? If not, perhaps they were never readable. >Now when putting the DVD's in either one of my DVD drives (one is RW
>one is Read only). then when going to windows explorer it says insert >a disk (for the read only drive). Drive not accessible (for the read/ >write drive). > >Now I'm scared those backups of lots of files are gone. > >Any help or suggestions? > >TIA It's likely the dvds are bad and unreadable now. You might try reading them on another drive besides those two, in case environmental (dust, etc) deposits have fouled the lens on both of the drives you'd tried. If they have a lot of scratches on the bottom then you might try polishing out those scratches with plastic polish. If the data is very valuable you might try sending them to a data recovery service. | ||||||||||||||||
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Posted by ~misfit~ on February 10, 2008, 1:29 am
Please log in for more thread options Somewhere on teh intarweb "kony" typed:
> On Sat, 9 Feb 2008 09:34:39 -0800 (PST), bizee
> >> I backed up some documents to dvd's. I cannot recall what method I
>> used to do this however. >> >
> Are you certain the discs were readable right after they > were burnt? If not, perhaps they were never readable. Possibly copied via Windows burning wizard and only ever queued, never actually burnt. I never use that system myself. How many people know that you've got to click 'file', then 'burn these files to disk'? -- Shaun. >> Now when putting the DVD's in either one of my DVD drives (one is RW
>> one is Read only). then when going to windows explorer it says >> insert a disk (for the read only drive). Drive not accessible (for >> the read/ write drive). >> >> Now I'm scared those backups of lots of files are gone. >> >> Any help or suggestions? >> >> TIA >
> It's likely the dvds are bad and unreadable now. You might > try reading them on another drive besides those two, in case > environmental (dust, etc) deposits have fouled the lens on > both of the drives you'd tried. If they have a lot of > scratches on the bottom then you might try polishing out > those scratches with plastic polish. If the data is very > valuable you might try sending them to a data recovery > service. | ||||||||||||||||
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Posted by Paul on February 10, 2008, 3:19 am
Please log in for more thread options bizee wrote:
> I backed up some documents to dvd's. I cannot recall what method I
> used to do this however. > > Now when putting the DVD's in either one of my DVD drives (one is RW > one is Read only). then when going to windows explorer it says insert > a disk (for the read only drive). Drive not accessible (for the read/ > write drive). > > Now I'm scared those backups of lots of files are gone. > > Any help or suggestions? > > TIA Something I've discovered, in playing with CDs and DVDs, is the importance of doing an "error scan" on the disc after the burning program is finished. I've discovered, for example, that the spindle of blanks I've currently got, can only reliably be burned at 4X, when they're rated for much higher. Doing an error scan, any time you use new media, allows you to "dial in" the burning process. Now, with my spindle of blanks, I don't bother to try above 4X any more. Kprobe is a tool for Liteon drives, and Nero has a tool that I've used with my drive. CDfreaks has reviews of drives, where they do lots of these scans with different brands of media. http://gfx.cdfreaks.com/reviews/lg_gsa-4163b/lg123.png Every disc has errors, and due to the block codes and error correction features, a small number of errors can be tolerated. But when the burner has so much trouble reading the disk, that it seems to "stall", an error scan in that case would show thousands of errors. With a little experience with the error scanner, you'll be able to relate the shape of the curve, to the impact it has on the read-back process. Paul | ||||||||||||||||
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Posted by tpow on February 10, 2008, 3:45 am
Please log in for more thread options
> bizee wrote:
>> I backed up some documents to dvd's. I cannot recall what method I
>> used to do this however. >> >> Now when putting the DVD's in either one of my DVD drives (one is RW >> one is Read only). then when going to windows explorer it says insert >> a disk (for the read only drive). Drive not accessible (for the read/ >> write drive). >> >> Now I'm scared those backups of lots of files are gone. >> >> Any help or suggestions? >> >> TIA >
> Something I've discovered, in playing with CDs and DVDs, > is the importance of doing an "error scan" on the disc > after the burning program is finished. I've discovered, > for example, that the spindle of blanks I've currently > got, can only reliably be burned at 4X, when they're > rated for much higher. Doing an error scan, any time you > use new media, allows you to "dial in" the burning process. > Now, with my spindle of blanks, I don't bother to try > above 4X any more. > > Kprobe is a tool for Liteon drives, and Nero has a tool > that I've used with my drive. CDfreaks has reviews of drives, > where they do lots of these scans with different brands > of media. > > http://gfx.cdfreaks.com/reviews/lg_gsa-4163b/lg123.png > > Every disc has errors, and due to the block codes and > error correction features, a small number of errors > can be tolerated. But when the burner has so much > trouble reading the disk, that it seems to "stall", > an error scan in that case would show thousands of > errors. With a little experience with the error scanner, > you'll be able to relate the shape of the curve, to > the impact it has on the read-back process. > > Paul like you I ALWAYS burn at slower speeds than suppliers state after all I am not normally in a hurry but just want a good safe copy. recently looking for some DVD+r dual layers, I noticed retailers are now putting caveats on their ads/sites, saying "If you experience problems burning at higher speeds this could be the result of using out of date drivers for your CD/DVD burner"........... | ||||||||||||||||
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>used to do this however.
>