21 
ENGLISH
TROUBLESHOOTING 
If you meet any trouble during installation or normal use of your drive, please refer to the 
following information. 
Read Problems 
Symptom  Possible Causes  Solutions 
No power.    Check if the power cord is connected 
securely to the connector. 
No operation. 
USB cable isn't connected 
properly. 
  Ensure that the USB cable and connectors 
are not damaged, bent or dented. Check 
especially the pins. 
Power is not switched on.    Check if LED of your drive is lit.  If not, 
there is no power. 
USB cable is not connected 
properly between the 
computer USB port and the 
drive. 
  Ensure that both connectors of the USB 
cable is properly connected to the USB 
ports on the computer and the drive. 
No drive recognition. 
USB drive is not recognized 
by the Windows Operating 
System. 
  Please refer to the USB 2.0 Users chapter 
and check if the USB driver is installed 
properly. 
Eccentric disc loaded.    Replace it with another one. Excessive noise when 
reading. 
Seal attached on the surface
  Detach the seal very carefully. Don't 
make any scratches. 
Eject locked by software.    Stop the applying software and try the 
eject button to open the tray. 
Cannot open the tray 
(Eject). 
CD set incorrectly.    Insert a small stick or paper clip into this 
hole to eject the tray. 
"Load Contents" or "Import 
Session" was NOT clicked 
on the Software. 
  If recorded without checked "Load 
Contents" or "Import Session", it is 
impossible to read. But when using 
utility software such as "Session 
Selection" from Adaptec, the former 
session can be read. 
Defective disc.    Deep scratches, fingerprints or other 
contaminants on the discs surface can 
disable the drive from reading data. 
Always keep it clean. 
Music CD inserted.    Because audio compact discs do not have 
computer data, typing computer 
commands while an audio CD is in your 
drive will result in an error message. 
  Cannot read the 
former session of 
the CD-RW disc 
which has been 
written at least 
twice. 
  Read error 
occurs. 
Disc inserted upside down.    Remove the disc from tray and reinsert it 
with the label side up.