What if the Win7 system doesn't even show the diagnostics policy service is not running?

What if the Win7 system doesn't even show the diagnostics policy service is not running?

The workaround is as follows:

1, start → run → input: services.msc Click OK (or press ENTER) to open the service.

2, in order to find in the service: Diagnostic Policy Service ▶ such as not open, right button to start.

3, if the boot is not (at this time the menu is gray), that is, the startup mode is not correct, double-click the service, or click on the property to open the service → start type → Click to adjust to Automatic or manual → application → start → OK;

4, in addition to diagnostic Policy service needs to be opened, you can also open the following two services:

Diagnostic Service Host

Diagnostic system Host

5, if the open service appears, and there are: error 1079, such as tips, you can click the Service Login tab, the current account coverage can be.