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Windows 7: Product Key Sticker Question

17 Oct 2015   #11

Windows 7 Home Premium

Thank you for the info I will check it out.

My System SpecsSystem Spec
19 Oct 2015   #12

Microsoft Community Contributor Award Recipient

Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10

Some nice work in this thread, guys
(Your COA Key apparently would not work? - when did it give an error message?? During Key input or after - during the Activation attempt? What error message?)
Putting together some standard posts, just for info....
Activation Computers that come pre-installed with Windows from large manufacturers usually come with two Product Keys

OEM SLP: This is the key that came in Windows (from the factory). It works by connecting to a BIOS flag (the SLIC table) found only on computers from that Manufacturer. It also checks for the existence of proper matching licenses in the OS itself. Once it sees both, it self-activates every time the machine is rebooted.

COA SLP: This is the key seen on the sticker located on the side, bottom or in the battery compartment of your machine. This key is for use if the OEM SLP self-activation stops working for whatever reason.
The COA sticker defines the licence available for re-install, but the trick is to ensure that you read the sticker properly...

0xC004F050 usually means that you've misread a character - either C/G/6 or B/8 or Y/V are the most common, an O/0 is almost always a Q

Note that the following characters cannot be used - A E I L N O S U Z 1 0 - so don't bother trying unless you like the noise it makes :)
The Dell Recovery media - assuming the BIOS SLIC table is OK, which it seems to be, from the above results - will allow a clean reinstall of the original OS without the need to input any Key, as it contains the proper certificate/license to match the SLIC table.

It's all too common for 'second owner' machines from eBay to arrive with bogus installs - I have always been dubious of ANY machine sold with Ultimate supposedly installed that doesn't come direct from the manufacturer, as it's an obvious way to increase the sale value of the machine without expense (some don't even go to the trouble of installing the hack, they just leave the system Unactivated )
Pawnshops are another common source of such installs - and they really should know better.
My System SpecsSystem Spec
19 Oct 2015   #13

Windows 7 Home Premium

Thanks NoelDP. Very informative. I have read a few sites about SLP and SLIC. I have not found anything on how to interpret the MGADiag output. In post #3 I submitted the output. I do know that the BIOS information for the ACPI_SLIC table should be in the output after copying and pasting it to notepad. Does the output show that it is in the BIOS? I'm trying to confirm that when I receive the Dell CDs, it will load and activate properly. If not I will just go and purchase a retail version of something and load it, if thats an option. Learned a valuable lesson buying this from a Pawn shop.
My System SpecsSystem Spec

19 Oct 2015   #14

Microsoft Community Contributor Award Recipient

Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10

Yep - the following shows that your SLIC table is present and correct for Windows 7 (but not for which edition)...

OEM Activation 2.0 Data-->
BIOS valid for OA 2.0: yes
Windows marker version: 0x20001
OEMID and OEMTableID Consistent: yes
BIOS Information:
ACPI Table Name OEMID Value OEMTableID Value

If there'd been errors in any of those lines (highlighted lime green ) then it would have raised warning flags.

You should be good to go with the proper Dell recovery media.
My System SpecsSystem Spec
19 Oct 2015   #15

Windows 7 Home Premium

Thank you NoelDP for your help. I will now know what to look for in the future. I will order the CDs (39.99US). Better than buying retail. Thanks again for your help.
My System SpecsSystem Spec

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