On 8/17/2017 9:16 AM, Pierre LaMontagne wrote:
> Hi all!
> I'm having a problem reading Cds in FD (1.2, now) that I created
> (burned) on my Win 7 PC.
> I don't understand why. I'm sure I'm doing something wrong, but what
> I'm doing wrong, I have no idea, hope someone can clue me as I'm
> completely clueless…
> Here's what I did:
>   * On my Win 7 PC, I made a FreeDOS folder in my dedicated
>     Downloads\otherfolder.
>   * I downloaded a bunch of files into this folder from the FD site.
>     (Making a mini-repository) (Even though there were a "bunch" of
>     files, the total space used was only 57mb.)
>   * I burned a CD of this folder onto a blank CD. (using Win explorer)
>   * In Win Explorer, I chose the option to create a CD that would be
>     readable in other CD drives VS. formatting a CD so as to make the
>     CD act like a USB drive. (I believed this to be the correct choice)
>   * I tested this CD , again using Win explorer, in Win 7. It tested
>     as good.
>   * When I load this CD into my FD PC, I get the error were I can
>     R)etry, F)ail, or A)bort.
>   * When I load a commercially created CD, (either it came with some
>     hardware or it was purchased) the CD is read just fine in FD.
> Again, I'm baffled as to why this is happening...  Thanx for your help
> with this.
Well, there can be a lot of different reasons as to why you can't read
those CDs, and that's an issue that is hard to diagnose on a mailing
list. Some general "best practices" come to mind that you should try:

- don't use Windows build-in CD burning tool. It simply s**ks. Use a
proper burning tool instead, InfraRecorder (http://infrarecorder.org/),
ImageBurn (http://www.imgburn.com/) or CDBurnerXP
(https://cdburnerxp.se/en/home, don't get irritated that it has XP in
the name, it even works fine on Windows 10). Each one of those is free
and light years better than using Windows build-in burner, as you have
tons of options to actually control what you are doing (see below)

- make sure you use a CD-R media, not a CD-RW media. Also the quality of
the media might be a factor, specially taking the next point in
consideration. CDs are "burned" by melting tiny, tiny bubbles in a
specific area of the CD-R. If those bubbles are too small, the reading
laser can't properly identify them and hence "read" them. The size of
the bubbles can depend on both the material properties in connection
with the burning laser as well as the duration to create the bubble,

- make sure to use a (very) low speed setting to burn the CD. Specially
as you mentioned yourself, it is only a small amount  of data, a few
seconds more time in burning the disc can save you hours of frustration.
This is even more important the older the host's PC('s CD-ROM drive) is,
as those drives might not be able to read highspeed burned CDs

- make sure that the disc you burn is "finalized".


PS: The easiest way to download above mentioned tools without any hassle
or unwanted fluff is to select them from the Utilities section at
https://ninite.com/, download and than run the small installer that the
site creates.

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