Product key Tags: Security Laptops Acer Windows 7 Last response: February 7, 2012 9:03 PM in Windows 7 Share sheree23 February 7, 2012 7:54:49 PM Hello, my product key is on the back of my acer laptop but when i enter the code it says invalid. what is the problem? More about : product key Combat Wombat a b $ Windows 7 February 7, 2012 8:01:15 PM Is the version of the product key the same as the version of windows you have installed? Have you used this code already? If so... you will need to contact Microsoft and explain the situation. They will then give you a new number to enter in if everything checks out. m 0 l hang-the-9 a b 8 Security a c 224 D Laptop a c 372 $ Windows 7 February 7, 2012 9:03:28 PM That key should only work with the OEM disk of Windows that came with your computer, or the restore setup on the hard-drive. If you are trying to use a different disk or install it on another computer, the code won't work. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedIf I have a custom-built computer with Windows 8 installed, can I store the product key on the BIOS somehow? Forum SolvedUsing the same product key after changing the amount of RAM. Forum SolvedWindows product key sharing.. Forum SolvedIs this product key reusable? Forum SolvedWill I Need A New Product Key? Forum SolvedPlease help with 8.1 OEM product key Forum Solvedcan i install windows 8 on my windows 7 ultimate using my wifes product key Forum SolvedWindows 8.1 Product Key Question Forum SolvedJust reinstalled windows 7 using disc, now can't find product key Forum SolvedCan I install Windows 8.1 OEM on another Computer without a Product Key? Forum SolvedProduct key work with both SP1 and without SP1? Forum SolvedFinding win8.1 product key Forum SolvedHow do I install windows 7 onto a new hard drive without cd or DVD but I have the product key on the back of my old laptop bec Forum SolvedWindows 8.1 Product Key Question Forum SolvedWindows 8 product key Forum SolvedCan I use the same product key to re-activate windows? Forum SolvedThis Product Key cannot be used to install a retail version of Windows 8 Forum SolvedCan I use the same product key for win 7 32 bit & 64 bit Forum Solved"Invalid product key" help Forum SolvedCan I reuse my Windows 8.1 product key? Forum More resources Read discussions in other Windows 7 categories Configuration Customization Drivers Security Laptops !