在开始-运行里输入“regedit"打开HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsNTCurrentVersionWinlogon在Winlogon项上单击右键,选择"新建"→"字串值",输入"PowerdownAfterShutdown",再双击编辑数值为1,以后就可以关机了.....