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I lost the driver of Blue Ray of my Vaio when i was installing windows 7. Now i can't play BlueRay DVD.
Hi chrmoral,
I think that you will find you have lost the software that plays Blue-Ray rather than the driver.
If you carried out a clean install of Win 7, as opposed to an in-place upgrade, you will have lost the preinstalled software.
You have the option to return your notebook to factory settings and then carry out an in-place upgrade which will retain all preinstalled software, drivers and utilities or purchace software such as Win DVD BD.
Rich