win7系統無法啟動power服務，彈出提示“錯誤2：系統找不到指定文件”怎么辦呢？“power”服務是管理電源策略和電源策略通知傳遞的服務，如果該服務無法開啟以為著我們的計算機也無法正常使用。針對此問題，下面VEVB武林網的告訴大家具體的解決方法。

解決方法：

1、在任意位置新建一個文本文檔（在任意空白處單擊右鍵，選擇“新建”—“文本文檔”）；

2、打開“新建文本文檔”，將下面內容復制進去：

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“新建文本文檔”左上角依次點擊“文件”—“另存為”，在保存界面首先將“保存類型”下拉菜單中選擇“所有文件”，然后將文件名修改為“power on.reg”點擊保存；

4、在剛創建的“Power on.reg”文件上單擊右鍵，選擇“管理員取得所有權”；

5、然后雙擊運行該文件，在彈出的提示框中選擇“是”，即可重新開啟此服務。

以上就是對win7系統無法啟動power服務提示“錯誤2：系統找不到指定文件”的解決方法全部內容的介紹，方法很簡單，希望本文教程內容能夠幫助到大家。