Re: Problem with DVD - Can't read files on burnt DVD

Hi Bob,

It is not that I want to write UDF disks. In fact, I have already checked,
and not even disks in Joliet format are read. It doesn't happen with CD-ROMs,
only with DVDs.

Today I tried with the trial versions of Nero and Alcohol, and also some
freeware software, but it didn't work. My computer does not read any DVDs I
burn (commercial ones are ok). The software that came with the computer is
RecordNow! from Sonic.

I was thinking about UDF because that's what the Microsoft article refers
to, but in fact I don't know what's causing the problem. I also updated my
computer's DVD firmware to the latest version.

Any other ideas that might help?

Thanks a lot!


"Bob Harris" wrote:

UDF, DLA, or other packet-writing formats are not standard, varing from PC
to PC. If you write a DVD in a standard format, for example Joliet, all PCs
should be able to read it.

If you insist on writing in UDF format, which permits treating the DVD like
a magnetic disk (i.e., is extendable/re-writable, if DVD+_RW media used),
then you also need a companion UDF reader.

The reader is unlikely to come directly from either Sony or Microsoft. It
usually comes form the maker of the DVD writing software, someone like
Roxio, Ahead, Sonic, etc. However, Sony may have "bundled" some version of
some elses writing software with the hardware. In that case, Sony may offer
a patch/upgrade. Or, they may have a link referring you to the software
vendor. But, be aware that OEM versions are sometimes not the same as
retail versions, so read carefully the applicability of any patch/upgrade,
before installing it.

"AaronR" <AaronR@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:D6588FCB-C93C-4616-B7EF-1171E723D1C0@xxxxxxxxxxxxxxxx
I have a Sony VAIO, with a Sony DVD RW DW-D22A. The drive reads perfectly
commercial DVDs and CD, and I can create CDs and read them. But when I
burn a
DVD, even if it completes successfully, I cannot read it. The computer
hangs
trying to read it, and when it gets back the explorer shows and empty DVD.

I've read article 899527 and 818733 in Microsoft support centre, which
describes my problem, and it seems to be tracked to the UDF driver.
Anyway,
Microsoft says I should contact Sony, but that there is a hotfix for it
with
them.

After a couple of days browsing the internet I know a lot of people have
had
this problem, but I couldn't find a definite answer on how to fix it.

My version of the UDFS.SYS file is 5.1.2600.2180, dated 8/4/2004. It seems
to be a more current version, but I can't find it. In any case, the
problem
could be different.

Any help would be greatly appreciated. Thanks!



.

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