彻底关闭磁盘扫描：
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager]
"BootExecute"=hex(7):
"AutoChkTimeOut"=dword:00000000

恢复磁盘扫描：

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager]
"BootExecute"=hex(7):61,00,75,00,74,00,6f,00,63,00,68,00,65,00,63,00,6b,00,20,\
  00,61,00,75,00,74,00,6f,00,63,00,68,00,6b,00,20,00,2f,00,6b,00,3a,00,43,00,\
  20,00,2f,00,6b,00,3a,00,44,00,20,00,2f,00,6b,00,3a,00,45,00,20,00,2a,00,00,\
  00,00,00
"AutoChkTimeOut"=dword:00000000

复制代码保存为reg导入就OK！