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Sony vpc-f21z1e
The situation as follows the laptop model is vpc-f21z1e from Sony. In August it could not burn blu ray discs after a long time Sony said firmware and it was fixed. But the problem is worse now it don't recognise and blu ray discs made by me, even ones made in the exact same drive, now every disc is said to be incomparable and windvd has a layer issue but I have reinstalled windvd from vaio care recovery still doesn't work.
This is a new problem I last burned successfully on blu ray is 3rd jan but DVD burn great. The firmware is totally upto date. I think the blu ray laser is faulty but how can the computer find pre made blu ray then windvd still don't load any advice
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