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Data Verification Succeeds but DVD no good Data Verification Succeeds but DVD no good


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Nero & InCD Discuss, Data Verification Succeeds but DVD no good at Burning Software forum; How can it be that Nero 6 Ultra Edition claims to have burned succesfully (by supposedly verifying succesfully) and yet when I try to insert the DVD back in the same drive (or even another computer) it is not even recognised? It is simply a data ISO DVD (not a


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Old 16-01-2008   #1 (permalink)
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Data Verification Succeeds but DVD no good
How can it be that Nero 6 Ultra Edition claims to have burned succesfully
(by supposedly verifying succesfully) and yet when I try to insert the DVD
back in the same drive (or even another computer) it is not even recognised?
It is simply a data ISO DVD (not a movie rip or other dodginess).

This happened at keast twice.

This also happened at keast twice in Sonic burn software.

I suspect my drive is faulty but "false verification" does not make sense.
Before buying a new drive for my laptop
(they are alwasy crap in laptops it seems)
it would be nice to if someone could please comment on the problem.
Have joined this forum in the hope of hearing from others.

Thanks for reading this far!
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Old 16-01-2008   #2 (permalink)
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Re: Data Verification Succeeds but DVD no good
Welcome to the forum

Most of times this issue is caused by a bad burned disc, and most of times this is due to a low quality disc. Moreover, often laptop burners are rather low quality drives, and also with a quality media can give a bad burning.

What discs are you using exactly? Can you post brand and mediacode? Both data can be retrieved with a free software like DVD Identifier

Did you try to update the firmware of your burner? This often solves a lot of problems
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Old 17-01-2008   #3 (permalink)
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Re: Data Verification Succeeds but DVD no good
Quote:
Originally Posted by geno888 View Post
Welcome to the forum
Thanks Geno.

Quote:
Originally Posted by geno888 View Post
Welcome to the forum
Most of times this issue is caused by a bad burned disc, and most of times this is due to a low quality disc.
That still does not explain how Nero verifies falsely.
Does that not defeat the whole purpose of verification?

NEW CLUE:
The CD can be read (if verified by Nero) independently of Nero
but only if i have not ejected and re-inserted after the burn.
If i take it out and put it back in... phzzzzt... i have a coaster.

Should i put such new clues in followup posts like this
or is the correct netiquette to edit the original post?

Quote:
Originally Posted by geno888 View Post
Welcome to the forum
Moreover, often laptop burners are rather low quality drives, and also with a quality media can give a bad burning.
Yes, i have had four laptops and always had burner issues.
My neighbour bought these same discs and they worked OK for him
but he has desktop.

Quote:
Originally Posted by geno888 View Post
Welcome to the forum
What discs are you using exactly? Can you post brand and mediacode? Both data can be retrieved with a free software like DVD Identifier
Thank you, I did not even know such software existed.
They ar blank except for serial and Princo 4x written faintly in centre.
"DVD Identifier" confirms this.

Quote:
Originally Posted by geno888 View Post
Welcome to the forum
Did you try to update the firmware of your burner? This often solves a lot of problems
No firmware update available at TSST (Toshiba-Sony Storage Technologies) site.
In fact this drive is not even found in a search within the site.
Driver is supplied within XP.
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Old 17-01-2008   #4 (permalink)
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Re: Data Verification Succeeds but DVD no good
Quote:
They ar blank except for serial and Princo 4x written faintly in centre.
Suspented rubbish discs, but if you will run DVD Identifier as suggested we can see who really makes the discs....the brand name on the package really means little with alot of brands and they get them from various manufacturers. I would try some nice Verbatims or Taiyo Yuden.
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Old 19-01-2008   #5 (permalink)
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Re: Data Verification Succeeds but DVD no good
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Originally Posted by LOCOENG View Post
Suspented rubbish discs, but if you will run DVD Identifier as suggested we can see who really makes the discs....the brand name on the package really means little with alot of brands and they get them from various manufacturers. I would try some nice Verbatims or Taiyo Yuden.
Sorry, i shouldn't say "blank", they are white and "printable".
And you missed in my post that i said
DVD Identifier confirms they are Princo.

But perhaps Princo are better avoided unless one has a good burner.
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Old 19-01-2008   #6 (permalink)
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Re: Data Verification Succeeds but DVD no good
well they pretty much summed it up above... but like we are saying if you using the newest firmware for your drive and it's still messed up about the only thing i could suggest is using "quality" discs which the only consistent ones and most known to be top quality are Verbatim 16x DVD+R (made in taiwan) which are real common and easy to find at usually a solid price.... or Taiyo Yuden but i would stick with there 8x +r (the -R are good but dust tends to stick to the surface alot more than the +R's from what i heard and from own exp i can definitely say the -R ones (which i got from rima.com) dust does tend to stick to these noticeably more vs most other discs i have used.)

so basically try either Verbatim 16x DVD+R or TY 8x DVD+R discs... if they dont work your burner is probably crap

and also, generally speaking dont burn over 8x speed if you want quality burns.... i use 8x for all my burning on my Lite-On 1673S and always get quality burns.
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Old 19-01-2008   #7 (permalink)
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Re: Data Verification Succeeds but DVD no good
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Originally Posted by Mysta Squiggle View Post
But perhaps Princo are better avoided unless one has a good burner.
Actually it's better to avoid Princo always, because no burner can make good an ugly disc
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Old 19-01-2008   #8 (permalink)
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Re: Data Verification Succeeds but DVD no good
Hey, guys! I have the same problem. The answer is that for some reason Nero sometimes do not finalise the DVD correctly! Why don't you just try to read the data by some special program like IsoBuster, CDRoller e.t.c.? In my case i alwayas see TWO (!!!) data tracks instead of one, and that's why you cant see data in windows, cause of incorrect sessions. How to beat his issue i don't know... o now I am reading this forum to find the answer...
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Old 19-01-2008   #9 (permalink)
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Re: Data Verification Succeeds but DVD no good
http://club.cdfreaks.com/f48/dvd-bur...-empty-234733/
http://club.cdfreaks.com/f48/wont-co...on-dvd-205904/
http://club.cdfreaks.com/f48/cd-stil...n-nero-220054/
http://club.cdfreaks.com/f48/burning...oblems-220791/

The only good advise i found was to uninstall Alcohol and other (interacting with CD DVD) software...
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Old 21-01-2008   #10 (permalink)
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Re: Data Verification Succeeds but DVD no good
Quote:
Originally Posted by NBR View Post
...dust tends to stick to the surface alot more than the +R's from what i heard and from own exp i can definitely say the -R ones (which i got from rima.com) dust does tend to stick to these noticeably more vs most other discs i have used.)
Wow, i didn't think about different brands re dust/static.
Thanks.

Quote:
Originally Posted by NBR View Post
and also, generally speaking dont burn over 8x speed if you want quality burns.... i use 8x for all my burning on my Lite-On 1673S and always get quality burns.
I been using lowest speed possible. ie 2x in Nero.
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Old 21-01-2008   #11 (permalink)
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Re: Data Verification Succeeds but DVD no good
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Originally Posted by DJ_Quake View Post
Hey, guys! I have the same problem. The answer is that for some reason Nero sometimes do not finalise the DVD correctly!
I been burning as multisession.
Not sure if i tried without multisession.
Must try this.
Even so, it is cheeky for Nero to falsely verify.
(BTW Sonic is just as cheeky).

Quote:
Originally Posted by DJ_Quake View Post
Why don't you just try to read the data by some special program like IsoBuster, CDRoller e.t.c.?
Because i never heard of such programs
But i will try it thanks.
Am learning a lot by being here and getting all your kind help.
Reminds me of the "good ol' days" of usenet.
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Old 21-01-2008   #12 (permalink)
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Re: Data Verification Succeeds but DVD no good
Don't use Multisession with DVD (except DVD+RW)!!

Successful verify doesnt mean much in case of data consitency or reliable burn.
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Old 21-01-2008   #13 (permalink)
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Re: Data Verification Succeeds but DVD no good
Quote:
Originally Posted by Mysta Squiggle View Post
I been using lowest speed possible. ie 2x in Nero.
This is not a good idea. High speed certified discs in most of cases give bad results if burned too slow. A 16x disc should be burned at 12x or 8x, but 2x is too slow
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Old 22-01-2008   #14 (permalink)
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Re: Data Verification Succeeds but DVD no good
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Originally Posted by _chef_ View Post
Don't use Multisession with DVD (except DVD+RW)!!
Multisession has been fine for me until recently.
I use +RW is for packet writing, but have heard others complain about reliability.
You are talking about reality rather than specs I suppose so we should
always ratchet our expectations down one notch eh?

Quote:
Originally Posted by _chef_ View Post
Successful verify doesnt mean much in case of data consitency or reliable burn.
So what does succesful verify mean?
Perhaps a failed verify can be believed but a succesful one cannot?

I always include CRC in the burn to verify my discs whenever i choose in the future.
Unfortunately there seems to be no good specialised CRC generators
that will do an entire folder branch or partition so I use Total Commander
which is worth installing just for this.
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Old 22-01-2008   #15 (permalink)
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Re: Data Verification Succeeds but DVD no good
Quote:
Originally Posted by Mysta Squiggle View Post
Multisession has been fine for me until recently.
I use +RW is for packet writing, but have heard others complain about reliability.
You are talking about reality rather than specs I suppose so we should
always ratchet our expectations down one notch eh?



So what does succesful verify mean?
Perhaps a failed verify can be believed but a succesful one cannot?

I always include CRC in the burn to verify my discs whenever i choose in the future.
Unfortunately there seems to be no good specialised CRC generators
that will do an entire folder branch or partition so I use Total Commander
which is worth installing just for this.
What is your point?
Is it that you mix up simple verifying with proper scanning or quality scanning and wont accept it??

What I wrote still is fact:
Multisession Mode on DVDs is buggy, flawed and therefore futile, except for DVD+RW.
If it works for you, just go with it.
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Old 23-01-2008   #16 (permalink)
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Re: Data Verification Succeeds but DVD no good
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Originally Posted by _chef_ View Post
What is your point?
Is it that you mix up simple verifying with proper scanning or quality scanning and wont accept it??
I didn't know there was a difference.
I didn't know there was an alternative called "scanning".
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Old 23-01-2008   #17 (permalink)
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Re: Data Verification Succeeds but DVD no good
I think, there are to main points in this.
1) is it Physical fault?
2) Is it an error in logical structure of a disk?

if 1) then this problem is not for this forum, i think. I found out that the best speed for burning is 4x-6x. To determine it you shall burn some media of the same type at 4,6,8x and compare the results. If this test is OK, then

2) Use Isobuster to see what the data structure is. I found out that after succsessful data verification in nero but blank disk in windows there is the following structure (no multisession !!!):
Session1
-Track01 (here is your data)
-Track02 (strange track, for what reason it was created? because of it, track01 is not seen!)

So now i use the ISO 9660:1999. No falty disks, but who knows what will be in future...
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Old 31-01-2008   #18 (permalink)
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Re: Data Verification Succeeds but DVD no good


Hi Mysta Squiggle, another welcome...


Quote:
Originally Posted by Mysta Squiggle View Post
Thanks Geno.
Quote:
Originally Posted by Mysta Squiggle View Post



That still does not explain how Nero verifies falsely.
Does that not defeat the whole purpose of verification?
I believe Nero verifies just the fact that there is now data where before there wqs none, not that it is in any order or wil work
NEW CLUE:
The CD can be read (if verified by Nero) independently of Nero
but only if i have not ejected and re-inserted after the burn.
If i take it out and put it back in... phzzzzt... i have a coaster.
Should i put such new clues in followup posts like this
or is the correct netiquette to edit the original post?
whichever makes you more comfortable. anyone following will get tired of reading the same thing over & over but someone new to the thread will appreciate all the info.
Yes, i have had four laptops and always had burner issues.
My neighbour bought these same discs and they worked OK for him
but he has desktop.
Try slowing your burn speed down as slow as possible. If u have a super fast drive and ur using prety old software (Nero 6, as am i) the drive may be spinning too fast for the software
Thank you, I did not even know such software existed.
They ar blank except for serial and Princo 4x written faintly in centre.
"DVD Identifier" confirms this.
Yes, confirm media and try different kinds (mid like TDK, Sony,Maxell, etc. or higher
No firmware update available at TSST (Toshiba-Sony Storage Technologies) site.
In fact this drive is not even found in a search within the site.
Driver is supplied within XP.
The company might not have a firmware update if your drive was included with your laptop (kinda like a bundle). Contact your laptop manufacturer and question them on firmware, driver, or codec updates of the drive.
Hope this helps
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