Win7 system computer search function can not be used to solve

The computer has been used for a long time, some document files will always be a lot, so it may lead us to find a file, looking for a long time, so we have to use the search function that comes with the computer, but some users have said that this function can not be used. So, what if you can't use the Win7 computer search function? If you don't understand the processing, take a look at the following tutorial!
1. Click the start menu in the lower left corner of the computer. in the "run" box, type Regedit to open the computer registry as:

2, in order to find the HKEY_CURRENT_USER \\ Software \\ Microsoft option in the registry as:

3, then find Windows \\ CurrentVersion \\ Policies \\ Explorer options, as:

4, select Explorer options, find NoFind children, as shown in the registry right window:

5, double-click subkey, the value from 1 to 0, it can, as shown:

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