Solve : dvd rom will not read OS disc but will read other disc's?

1.	Solve : dvd rom will not read OS disc but will read other disc's?
Answer» So I am trying to format a Vista laptop and REPLACE it with Windows 7 ultimate. The problem is, the rom will not read the OS disc. It Will read other disc's though. When I try to boot from CD message pops up and says No Boot Devise found. When I look at it on my desktop it says the disc is blank. It works in my other Windows 7 machine but not the Vista one. I also tried it on a Windows 8 machine and had the same problem. Any help would be appreciated I am very frustrated. Thank You!PLEASE give specific INFORMATION about your computers. It may be related to the model number of the COMPUTER. But as an ALTERNATIVE, Windows 7 can be installed from a USB drive. See: http://pcsupport.about.com/od/windows7/a/install-windows-7-usb.htm OR http://www.microsoftstore.com/store/msusa/html/pbPage.Help_Win7_usbdvd_dwnTool Maybe that will work.Where is this Win DVD from ? ?

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