win7系统无法启动power服务提示错误2系统找不到指定文件怎么办,win7 无法启动服务,原因可能

win7系统无法启动power服务，弹出提示“错误2：系统找不到指定文件”怎么办呢？“power”服务是管理电源策略和电源策略通知传递的服务，如果该服务无法开启以为着我们的计算机也无法正常使用。针对此问题，下面脚本之家的告诉大家具体的解决方法。

解决方法：

1、在任意位置新建一个文本文档（在任意空白处单击右键，选择“新建”—“文本文档”）；

2、打开“新建文本文档”，将下面内容复制进去：

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINESYSTEMCurrentControlSetservicesPower] "DisplayName"="@%SystemRoot%\system32\umpo.dll,-100" "Group"="Plugplay" "ImagePath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00, 74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73, 00,76,00,63,00,68,00,6f,00,73,00,74,00,2e,00,65,00,78,00,65,00,20,00,2d,00, 6b,00,20,00,44,00,63,00,6f,00,6d,00,4c,00,61,00,75,00,6e,00,63,00,68,00,00, 00 "Description"="@%SystemRoot%\system32\umpo.dll,-101" "ObjectName"="LocalSystem" "ErrorControl"=dword:00000001 "Start"=dword:00000002 "Type"=dword:00000020 "ServiceSidType"=dword:00000001 "RequiredPrivileges"=hex(7):53,00,65,00,54,00,63,00,62,00,50,00,72,00,69,00,76, 00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,53,00,65,00,63,00,75,00, 72,00,69,00,74,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65, 00,00,00,53,00,65,00,41,00,73,00,73,00,69,00,67,00,6e,00,50,00,72,00,69,00, 6d,00,61,00,72,00,79,00,54,00,6f,00,6b,00,65,00,6e,00,50,00,72,00,69,00,76, 00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,54,00,61,00,6b,00,65,00, 4f,00,77,00,6e,00,65,00,72,00,73,00,68,00,69,00,70,00,50,00,72,00,69,00,76, 00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,4c,00,6f,00,61,00,64,00, 44,00,72,00,69,00,76,00,65,00,72,00,50,00,72,00,69,00,76,00,69,00,6c,00,65, 00,67,00,65,00,00,00,53,00,65,00,42,00,61,00,63,00,6b,00,75,00,70,00,50,00, 72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,52,00,65, 00,73,00,74,00,6f,00,72,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00, 67,00,65,00,00,00,53,00,65,00,49,00,6d,00,70,00,65,00,72,00,73,00,6f,00,6e, 00,61,00,74,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00, 00,00,53,00,65,00,41,00,75,00,64,00,69,00,74,00,50,00,72,00,69,00,76,00,69, 00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,43,00,68,00,61,00,6e,00,67,00, 65,00,4e,00,6f,00,74,00,69,00,66,00,79,00,50,00,72,00,69,00,76,00,69,00,6c, 00,65,00,67,00,65,00,00,00,53,00,65,00,55,00,6e,00,64,00,6f,00,63,00,6b,00, 50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,53,00,65,00,44, 00,65,00,62,00,75,00,67,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00, 65,00,00,00,00,00 "FailureActions"=hex:00,00,00,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00, 00,02,00,00,00,60,ea,00,00,02,00,00,00,60,ea,00,00,02,00,00,00,60,ea,00,00

[HKEY_LOCAL_MACHINESYSTEMCurrentControlSetservicesPowerParameters] "ServiceDll"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f, 00,74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00, 75,00,6d,00,70,00,6f,00,2e,00,64,00,6c,00,6c,00,00,00 "ServiceMain"="UmpoMain"

3、在“新建文本文档”左上角依次点击“文件”—“另存为”，在保存界面首先将“保存类型”下拉菜单中选择“所有文件”，然后将文件名修改为“power on.reg”点击保存；

4、在刚创建的“Power on.reg”文件上单击右键，选择“管理员取得所有权”；

5、然后双击运行该文件，在弹出的提示框中选择“是”，即可重新开启此服务。