1.
If
you
can
read
the
CD
or
DVD
disc
in
another
CD
or
DVD
player
or
you
can
see
previous
sessions,
the
directory
information
might
be
damaged
on
the
volume,
making
it
unreadable.
To
get
ideas
for
troubleshooting,
check
the
documentation
that
comes
with
the
software.
2.
You
might
have
a
damaged
CD-R,
CD-RW,
DVD-R,
DVD-RW,
or
DVD-RAM
disc.
Try
a
new
disc
or
another
brand
of
CD
or
DVD
disc.
3.
If
you
can
read
from
a
CD-RW,
DVD-RW,
or
DVD-RAM
disc
in
the
writing
drive,
but
not
in
another
MR
drive,
be
sure
that
a
UDF
Reader
program
is
installed
in
the
computer.
4.
Avoid
writing
at
the
slower
1X
speed
unless
required
by
your
computer.
IBM
USB
2.0
Portable
Multi-Burner:
User’s
Guide