最近有用户反应说雨林木风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，本文教程小编告诉大家具体的解决方法。

具体方法如下：

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_MACHINE\SYSTEM\CurrentControlSet\services\Power]"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_MACHINE\SYSTEM\CurrentControlSet\services\Power\Parameters]"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。

上述就是win7系统无法启动power服务提示“错误2：系统找不到指定文件”的解决方法，希望本文教程内容能够帮助到大家。