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How to tell if my product key is valid? Re-installing Windows 7?

Hello,

I tried re-installing Windows 7 to factory settings because I was getting an eror that made my screen go black and said "No Operating System Found."
I still have my sticker with my Windows 7 product key, but no installation disk. My husband found a copy of an installation sick online, and we used that burned copy, but it never asked me for my product key when I installed windows and now I'm getting that "Operating System Not Found" Error again.
My laptop is a SONY VAIO. Any info as to how I can check if my product key is still valid (never used it aside from when purchased VAIO) and what the cause of the error is and how to go about fixing it?
5 answers Last reply Best Answer
More about product key valid installing windows
  1. To me it sounds like the your laptop isn't booting from the Hard Drive, can you try going into the bios and setting the Hard Drive as the primary boot Device
  2. MurrayA said:
    To me it sounds like the your laptop isn't booting from the Hard Drive, can you try going into the bios and setting the Hard Drive as the primary boot Device


    How do I get into BIOS and set the as a primary boot?
  3. What is validation and how does it work?


    you want to make sure he downloaded the correct version of windows to install, since it is a sony viao you will need a oem version for the key to work.
  4. Any ideas as to what/where he could get the OEM version? Is there a free, legal version available?
  5. Best answer
    Its generally kept at the bottom of the laptop. u can chk the laptop base, a sticker of windows 7 with key is pasted there.
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