Symptom
•
Low Performance of CD-ROM Application Software
Possible Cause and Solution
Drive Automatically Set to Standard Throughput (150KB/sec)
Plextor’s drives are designed to automatically switch from twelve speed through-
put to eight speed, to four speed, to two speed and then to single speed when they
encounter a defect or a scratch on your disc. The drive then will continue to read
data from the disc at double or single speed until a new read command is
transmitted to the drive. The drive will then return to twelve speed mode.
It is also possible that the disc is dirty. Please refer to page 44 for instructions on how
to clean your CD-ROM disc.
Symptom
•
Disc Is Ejected After Being Inserted
•
ON/BUSY Light Flashes 4 Times
Possible Cause and Solution
CD Is Unreadable
Plextor’s drives are designed to automatically eject any unreadable CD. Please be
sure that the CD-ROM disc or audio CD is ‘‘label-side’’ up in the caddy. If not, this
will cause the drive to eject the CD. A blank or incorrectly written CD-R (blank
media), a damaged, scratched, or otherwise unreadable CD will cause this same
symptom. Inserting a known good disc will correct this problem.
CHAPTER 12---- Troubleshooting
12PLEX OPERATION MANUAL
61
