Originally posted by chris2k7sears
Your Blu-ray drive got "corrupted" because you downgraded to a firmware that doesn't have the required files to operate the drive, also there is times when downgrading/messing with Firmware will delete said files. Or I could be wrong entirely and its hardware issue.
well,i rang sony up for help and told me it was curruption,so i did what they said to fix it.