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how will i be able to clean install win home premium in hp probook
how can i be sure to 'clean install' Windows 7 home premium 64 bit in my hp probook 4530s .for the very fact that all tests which came up by running different "product key finding tools e.g: speccy, MGADiag " gave me only One similar key but that key is not the same as the product key printed on the COA tag under the battery . and i am very much confused now by so called brief explaination from a staff member of hp which restrict to do "Clean fresh install OS" . i copy paste his discussion here now .>> However, I can explain the working of it.
The product key will be stored in the BIOS (as the serial number of a particular unit is stored in BIOS).
The OEM disc will have the efi.config file.
This efi.config file of the OEM disc matches the product key that is stored in BIOS.
If there is a different Disc, then the efi.config file may be different.
As the efi.config file may be different from each of them, the match between the efi.config file with the BIOS will not match
Hence, the same key may not be applicable.