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Windows 8: "Product Key Didn't Work"

Last response: in Windows 8
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May 9, 2013 3:10:26 AM

Hello,

I'm in the process of building a new computer for scratch. I purchased the Windows 8 System Builder OEM 64 bit version for amazon.

After putting the computer together, I set up the BIOS to run from the optical drive, as I've done before on new builds, and then loaded from the disc. Windows 8 began like normal. Upon asking for my product key, I got the error, "This product key didn't work. Please check it and try again."

I double checked everything, tried swapping out potentially questionable characters like D's, O's, 0's, and Q's, though the key did seem pretty straight forward. I'm certain that it was entered in correctly.

Tried calling microsoft, but they won't be open for another 2-5 hours, depending upon what time zone the office is in. Is there anything else I can do? I'm fairly certain the problem is on their end with the code, but does anyone have any suggestions for fixing possible problems on my end?

Note -- I am certain that this is the system builder version and not an upgrade version of windows. Also, the product key and disc were completely sealed until a few moments before I attempted the install. This computer is completely new and has no OS running on it already.

Any help would be appreciated.

Thanks.

Best solution

a c 381 * Windows 8
May 9, 2013 3:20:58 AM

Must be a mis-match key to OS. If it's an upgrade key it would work on the Upgrade download link, try it and see..
http://go.microsoft.com/fwlink/?LinkID=262204
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May 9, 2013 3:24:12 AM

Well, I feel like an idiot now. After scouring the internet for over an hour, I found someone who had the same problem and discussed it with microsoft. When he scanned it and sent it to the guy he was talking to, he found out he entered in the wrong key. He had an 8, when it was supposed to be a B. After reading this we looked through and tried swapping one of our 8's out with a B and sure enough... it worked. Even my two roommates looked at it and saw it as an 8 also. Still looks like an 8 to me, but I guess it was a B.

Sorry for taking up your time and thanks for the responses. Have a good night.
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a c 381 * Windows 8
May 9, 2013 4:00:50 AM

mathgod said:
Well, I feel like an idiot now. After scouring the internet for over an hour, I found someone who had the same problem and discussed it with microsoft. When he scanned it and sent it to the guy he was talking to, he found out he entered in the wrong key. He had an 8, when it was supposed to be a B. After reading this we looked through and tried swapping one of our 8's out with a B and sure enough... it worked. Even my two roommates looked at it and saw it as an 8 also. Still looks like an 8 to me, but I guess it was a B.

Sorry for taking up your time and thanks for the responses. Have a good night.

Midday here! I've often done the same with 8s and Bs, you're not alone!

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June 27, 2013 2:29:03 PM

try changing some letters. 8=B , B=8 , 0=D , D=0 Or take a picture of you product key and zoom in :-D I was absolutetly sure that one letter was 0 (zero) but when i took a picture and zoom in, it's actually a D
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a c 381 * Windows 8
July 30, 2013 9:55:20 PM

Mike866 said:
try changing some letters. 8=B , B=8 , 0=D , D=0 Or take a picture of you product key and zoom in :-D I was absolutetly sure that one letter was 0 (zero) but when i took a picture and zoom in, it's actually a D

This answer just appeared on my machine, if you posted it today it means the date on your machine is way out! Perhaps your CMOS battery needs replacing...
Good tip on Product Key, I've done that myself on worn ones!

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August 28, 2013 9:56:00 AM

mathgod said:
Well, I feel like an idiot now. After scouring the internet for over an hour, I found someone who had the same problem and discussed it with microsoft. When he scanned it and sent it to the guy he was talking to, he found out he entered in the wrong key. He had an 8, when it was supposed to be a B. After reading this we looked through and tried swapping one of our 8's out with a B and sure enough... it worked. Even my two roommates looked at it and saw it as an 8 also. Still looks like an 8 to me, but I guess it was a B.

Sorry for taking up your time and thanks for the responses. Have a good night.


I had the exact same problem, and the exact same solution! Those B's really do look like 8's!

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September 2, 2013 9:23:20 AM

Mike866 said:
try changing some letters. 8=B , B=8 , 0=D , D=0 Or take a picture of you product key and zoom in :-D I was absolutetly sure that one letter was 0 (zero) but when i took a picture and zoom in, it's actually a D


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September 21, 2013 5:31:56 PM

I just thought that I'd add that i had a similar problem with the product key just that I'd mistaken a 2 for a Z.
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September 21, 2013 6:32:41 PM

After scouring the internet for over an hour, I found someone who had the same problem and discussed it with microsoft.
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September 21, 2013 6:32:53 PM

After scouring the internet for over an hour, I found someone who had the same problem and discussed it with microsoft.
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September 30, 2013 9:34:53 AM

Thank you, thank you, thank you. Same problem. But I had a 'B' and an '8' side by side. Tried swapping the first one out for a 'B' and it worked. Looking as closely as I can with my naked eye, I swear they are identical.
Microsoft, please pick a different font.


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