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×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
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- HP Community
- Desktops
- Desktop Operating Systems and Recovery
- Windows 7 product key lost due to upgrade to Windows10

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02-14-2021 01:49 AM
My hp touchsmart pc 600-1390, was auto shutting off after few mins of startup. I stopped using this for few years as could not find any fix, recently from a old post someone replied if i can clear my fans and that fixed it.
As part of clean up i installed windows 10 from USB media and lost my windows 7 key. Microsoft said they will activate windows 10 if i can get old windows 7 key from HP.
I am not able to reach anyone at HP to help in this regard. Any suggestions are greatly appreciated.
02-14-2021 02:15 AM
Hp do not provide an activation key if it is usually lost
But normally if you have a desktop computer, you should have this key displayed on one side of the box.
https://support.hp.com/us-en/document/bph06642
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02-14-2021 02:40 AM
Is it an all-in-one computer?
There I can not tell you exactly if so, and where the label is, but there are some on the tower, and the laptops, I saw the two examples directly, but not for this type of model!
Maybe it was removed, if you can't find anything at all
It is easily distinguished, it is generally green/ blue with the mention windows !
If nothing, I can't do anything more for you, keys are not too expensive, maybe that will be the solution
You can buy a product key, but without installation support, much less expensive
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02-14-2021 05:16 AM
I have to assume the Windows 7 install was not upgraded but the Windows 10 was installed without Windows 7 being present.
That would be why it is asking for the Windows 7 product key.
Also assuming it was a OEM install, those keys are not the same as what would be on the sticker, if it was there.
Send me a PM
I'm not an HP employee.
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02-14-2021 05:44 AM
" Also assuming it was a OEM install, those keys are not the same as what would be on the sticker, if it was there. "
what do you mean @TheOldMan ?
I have carried out several recivery using the key which is written on this label, and this activates the windows version
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02-14-2021 10:51 AM
In reply to @Prométhée question - the OEM key that is used to install Windows 7 from the factory is not the same key that was put on the stickers used to do a reinstall using a Windows 7 install disk. That key on the sticker will activate a Windows 7 install, but it is more like a retail key. The OEM key is basically the same for many installs on many units where the key on the sticker of a desktop, or laptop is only for the user's one time use.
FYI: If you use a key finder software on a factory install and if it also has the sticker still attached, you will see they are not the same. This info only applies to Windows 7.
I'm not an HP employee.
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02-14-2021 11:06 AM
Thx @TheOldMan
I've never heard of that, it's curious!
Anyway, it doesn't change anything, the activation is done and the computer is usable.
Solution that I tested directly, and that we have proposed many times successfully on the FR forum, when the user had to reinstall with a DVD other than the HP recovery kit
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