Dvd writer doesn't read or burn dvd/ but...

here is all u need to know except that it says i can read and burn dvd's but actually i cannot.


Drive Information
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Drive                      : HL-DT-ST DVDRAM GSA-4040B
Type                       : DVD±R/RW Recorder
Firmware Version           : A304
Buffer Size                : 2 MB
Date                       : ?
Serial Number              : K2A37T43117
Vendor Specific            :  
Drive Letter               : E:\
Location                   : 1:0
Mechanism                  : Tray
Read Speed                 : 32 , 24 , 16 , 10 , 8 , 4  X
Write Speed                : 24 , 16 , 8 , 4  X

Read CD Text               : Yes
Return C2 Pointers         : Yes
Read CD-R                  : Yes
Read CD-RW                 : Yes
Read DVD-ROM               : Yes
Read DVD-RAM               : Yes
Read DVD-R                 : Yes
Read DVD-RW                : Yes
Read DVD-R DL              : No
Read DVD+R                 : Yes
Read DVD+RW                : Yes
Read DVD+R DL              : No
Read BD-ROM                : No
Read BD-R                  : No
Read BD-RE                 : No
Read HD DVD-ROM            : No
Read HD DVD-R              : No
Read HD DVD-RW             : No
Read HD-BURN               : No
Read Digital Audio         : Yes
Read CD+G                  : No
Read VideoCD               : Yes

Write CD-R                 : Yes
Write CD-RW                : Yes
Write DVD-R                : Yes
Write DVD-RW               : Yes
Write DVD-R DL             : No
Write DVD+R                : Yes
Write DVD+RW               : Yes
Write DVD+R DL             : No
Write DVD-RAM              : Yes
Write BD-R                 : No
Write BD-RE                : No
Write HD DVD-R             : No
Write HD DVD-RW            : No
Write HD-BURN-R            : No
Write HD-BURN-RW           : No
Buffer Underrun Protection : Yes
Mount Rainier              : No
SolidBurn                  : No
Labelflash                 : No
LightScribe                : No
Modes                      : Packet, TAO, DAO, SAO, RAW SAO, RAW DAO, RAW SAO 16, RAW SAO 96, RAW DAO 16, RAW DAO 96

Region Protection Control  : RPC I
Region                     : All
Changes User               : n/a
Changes Vendor             : n/a

CSS                        : Yes
CPRM                       : Yes
AACS                       : No
VCPS                       : No