Windows 7 key not valid? Tags: Configuration Windows 7 Build Oem Last response: October 31, 2012 11:33 PM in Windows 7 Share computernoob29 October 31, 2012 11:11:22 PM i just finished my build and i bought an oem copy of windows 7, but when i type in the product key is says its not valid? please help More about : windows key valid | E-mail me updates | Report abuse Register or log in to remove ex_bubblehead Windows 7 Expert October 31, 2012 11:16:13 PM Where did you buy this copy? Was the key printed on a COA and packaged with the disc? | Report abuse computernoob29 October 31, 2012 11:18:12 PM i bought it at a memory express, along with the rest of my system. i dont know what you meen by coa | Report abuse ex_bubblehead Windows 7 Expert October 31, 2012 11:24:13 PM COA = Certificate Of Authenticity It's the label that has the 25 character key printed on it. The keys are specific to their particular type. For example, a retail key will not work to activate an OEM version, and vice-versa. | Report abuse raytseng October 31, 2012 11:25:17 PM check your zeros and Ohs, ones and Ls and any other possible typos | Report abuse Brett928S2 Windows 7 Authority October 31, 2012 11:33:44 PM Hi Did it come in a box ? and if so what colour ? All the best Brett | Report abuse Register or log in to remove Ask the community Publish Tom's Hardware>Forum>Windows 7>Windows 7 key not valid?> Related ressources: ForumWindows 7 ultimate32bit valid product key ForumWindows 7 valid product key ForumWindows 7 ultimate32bit valid product key ForumWhat do i do if my windows product key is not valid ForumNEED A VALID PRODUCT KEY FOR WINDOWS 7 ForumHow to install a valid copy of windows 7 when you dont have cd or backup only cd Forumproduct key not valid for service pack 2 ForumThe product key you used to install windows may not be valid ForumKey not valid ? ForumCmd.exe not valid win32 appln in win 7 ForumI have validated my Windows 7 Version. However, the product key will not work. ForumWindows XP SP3 activation product key not valid .. ForumCan't load office 2003 from valid disc ForumPRODUCT KEY FOR WINDOWS 7 Forum[Solved] Windows 7 professional 32 bit product key free to activate my windows Forum"Reboot and select Proper boot device" ForumWindows 7 ultimate32bit valid product key Forum[Solved] Windows 7 valid product key ForumWindows 7 Wireless Network Connection doesn't have Valid IP Configurat ForumC:/WINDOWS/system32/rundll exe is not a valid Win32 application More resources Read discussions in other Windows 7 categories Configuration Customization Drivers Security Laptops !