[ubuntu] Installed new DVDRW Drive on Windows 7

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http://ubuntuforums.org – I have recently installed Unbuntu 12.10 as a dual OS with Windows 7. Everything has been fine until tonight. I had to install a new DVDRW drive in Windows 7. When I restarted and tried to load Unbuntu it went to a black screen and nothing happened. I am not able to load Unbuntu now. Any ideas whe happened or what I need to do? (Hardware)