I had comprised my Lenovo T500 renovate by Lenovo (beneath warranty) as it totally froze up. I had inaugurated Windows 7 Professional immediately previous to this occurred. I got the apparatus back, at present running appropriately, other than Windows is at present prompting me to authenticate the OS the entire in excess of again as there has been a "hardware and / or hardware driver change." Lenovo had installed a innovative motherboard (system board / planar) according to the renovate summary. I endeavor entering the product key with the intention of came by means of Win 7 Pro additional than it determine to not recognize it. Tried activating it in excess of the phone additional than it's not accepted. Fundamentally, I am left by means of having to purchased another key which I determine to not do not subsequent to spending $200 for 7 Pro.
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