On Mon, 27 Aug 2007 13:06:04 -0700, wes
<> wrote:
>Now you sound like the man i need to be speaking to, i have had a catalogue
>of problems with vista, most i have got over. Nero which is apparantly
>compattible with vista has caused me all sorts of problems so i got rid of
>it, now im wondering if when i uninstalled it has it taken something from my
>burner program. when i use media player 11 or vistas dvd maker it gets to
>99.9% then says "cannot create the dvd. the dvd could not be burned because
>an error has occured. try using another blank disc and make sure ur dvd
>burner is working properly. learn more about this problem..." so i click on
>learn more and all it says is try turning the drive speed to medium or low, i
>have tried it on both settings with no joy. also i havre tried using several
>defferent types of disc and it still is not working and the properites of my
>burner says that its working fine. well sometimes it has actually burnt
>something on the disc and sometimes it hasnt,when it does its only a tiny bit
>but when i try to play it it spits the disc straight back out !! What is
>underrun protection???
>
>i would really appreciate it if you would be so kind to try and steer a
>novise like myself in the right direction .
Lets start with your underun question. It use to be a serious problem
a few years back but unless you have a pretty old DVD burner it
shouldn't be a problem these days.
To create a "good" disc the DVD burner expects that the data stream it
is trying to read will be uninterrupted. Even a pause of just a
fraction of a second can result in a ruined disc. A buffer underrun
happens IF the DVD burner's buffer (just memory built into the burner)
empties prior to the burner finishing it's job. The sad result is the
burner looks for data in the buffer, finds none, and thus the disc is
left spinning with nothing to be written to it in effect the burner
lost it's place and ends up creating a coaster or useless disc.
So-called underrun protection is suppose to prevent this from
happening either by increasing the buffer size or with some
controlling software, usually both.
The other problem IF it always happens at roughly the same place
suggests the DVD burner can't close out the disc, a critical step
called lead out and again the result is a ruined disc if it gets hung
up during this critical phase. See below
Several things can cause the problem. In no particular order, bad
media, meaning there was a tiny flaw in the blank disc. Unlikely if it
happens over and over on different discs. More likely the media you
are using isn't compatible with the burner. Some brands simply won't
work with some burners. The reason is differences in the reflectivity
of the surface. This generally will happen at the start or lead in,
not lead out. So probably not your problem.
Assuming you didn't try to burn some non compliant file types then I
would suspect your DVD burner may be screaming out for a firmware
update. This is similar to a BIOS update for a computer. It adds
improvements in how the device works. These are generally easy and
quick to apply. Check your vendor's web site to see if there is a
firmware update for your model.
Things that can cause a bump or ruined disc.
1. Your computer burps. Anything starting up on it's own or you
using the computer to do something else while you're trying to
burn a DVD is generally a no no. Something innocent like a
screen saver kicking in or a defrag or anti virus program starting
up can ruin a burn.
2. You're using newer media that your DVD burner doesn't support. You
get to match the speed rating. If you burned says it can burn 8X
disks, don't try to use 16X.
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