Dvd DW-U55A PROBLEM!!!!!!!!

[sinesinus]

My notebook is the VGN-A115S! Today i wanted to install the firmware update for my Optical drive, but it doesent work! I controlled in my hardware manager for the model of the drive and it showes me: Matshita uj-820d, but it should be DW-U55A.:smileysad:
Can help me sombaody how can i install the right drive?
THX

[robpaxton]

I would guess that Sony have used more than one model of drive in this notebook.
If you want to double check that the drive is being properly identified then try running Everest Home Edition