I installed a Sony DVD (DRU-700A) onto my Dell 8100 (1.3 mHz CPU, 1.2GHz RAM, 180 GHD, WinXP Pro). For the first few hours it worked just fine. After the first re-boot an alert showed up saying the system fan was not detected. Further, the DVD was no longer recognized in windows or BIOS (TRT Revision) and has not worked since. I reinstalled the old CDRW to do the repair, hoping that would fix things up in the system - at first the CDRW wasn't recognized either (fixed by setting BIOS to auto detect).