为何我的开机速度变慢

把以下代码复制到记事本，保存为bat格式，恢复系统默认服务
sc config Alerter start= DISABLED
sc config ALG start= DEMAND
sc config AppMgmt start= DEMAND
sc config AudioSrv start= AUTO
sc config BITS start= DEMAND
sc config Browser start= AUTO
sc config CiSvc start= DEMAND
sc config ClipSrv start= DISABLED
sc config COMSysApp start= DEMAND
sc config CryptSvc start= AUTO
sc config DcomLaunch start= AUTO
sc config Dhcp start= AUTO
sc config dmadmin start= DEMAND
sc config dmserver start= AUTO
sc config Dnscache start= AUTO
sc config ERSvc start= AUTO
sc config Eventlog start= AUTO
sc config EventSystem start= DEMAND
sc config FastUserSwitchingCompatibility start= DEMAND
sc config helpsvc start= AUTO
sc config HidServ start= DISABLED
sc config HTTPFilter start= DEMAND
sc config ImapiService start= DEMAND
sc config lanmanserver