i posted before about having write problems with a HP DVD 400i becuase i was getting a fixation error in Nero. I called HP and they sent me a new drive yet i still have problems with my first burn. It was just installed and im not getting power calibration area error in DVD decrypter. What does this mean? any help would be appreciated. im going crazy. Discs: TDK Disc ID: CMC MAG-F01-00 and Sony Disc ID: RICOHJPN-R01-02 thanks for any help