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适用于WM5 。WM5在默认没有打开电源管理，通过修改注册表打开wm5电源管理，可以延长待机时间修改如下：1.[HKEY_LOCAL_MACHINE\Comm\AsyncMac1\Parms]"DisablePowerManagement"=dword:1修改为："DisablePowerManagement"=dword:02.[HKEY_LOCAL_MACHINE\Comm\Irsir1\Parms]"DisablePowerManagement"=dword:1修改为："DisablePowerManagement"=dword:03.[HKEY_LOCAL_MACHINE\Comm\PPTP1\Parms]"DisablePowerManagement"=dword:1修改为："DisablePowerManagement"=dword:04.[HKEY_LOCAL_MACHINE\Comm\L2TP1\Parms]"DisablePowerManagement"=dword:1修改为："DisablePowerManagement"=dword:0