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Invalid O/S

Last response: in Windows 7
a b $ Windows 7
June 26, 2010 8:34:58 PM

Hello, windows vista as deleted from my friend's laptop in an effort to download windows 7.
She's getting "invalid O/S" and can't get past the message.She's need to get online to download windows 7. How can she do that

More about : invalid

a b $ Windows 7
June 26, 2010 9:24:06 PM

How was it deleted? an operating system doesn't get deleted while downloading.
Were you downloading from Microsoft?
If you were downloading a pirated copy, who knows what virus was included.
The laptop should have a restore partition to restore Vista, however this will restore it as new from the maker and all data will be LOST.

Maybe you mean you were trying to install Windows 7 upgrade rather then downloading, if that's the case, you need to tell how this was done ie; the procedure you used in detail.
Downloading and installing are 2 entirely different functions.