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工作学习 / IT杂谈 / 请问各位高手，本人装D版软件Ver. A 可用，升级安装Ver. B时不行，删除A安装B也不行，再安装A时可以但用时提示此软件未授权。格式化硬盘重新安装系统，发现多了个USB控制器。换个硬盘还是如此。是否B版在主板上写了什么？
-v123(music);
2004-6-8
(#1756752@0)
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Mostly impossible, disconnect all usb devices include any of usb card installed on your mother board and usb hubs, then check again if it's still there.
-heian(黑暗㊣);
2004-6-8
(#1756763@0)