如何在Windows 8中找回F8下的安全模式:
以管理員身份啟動命令提示符,
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在打開的命令提示符窗口中輸入
bcdedit /set {default} bootmenupolicy legacy
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回車確定。執行完該操作後重啟計算機按F8鍵即可看到傳統的高級啟動選項,
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如果你想返回Windows 8默認的啟動模式,可通過輸入下面的命令完成。tw.WiNgWIt.Com
bcdedit /set {default} bootmenupolicy standard
From:http://tw.wingwit.com/Article/os/Win7/201311/4141.html