What if you can't find a DVD driver in the Win7 system?

Although many things are now available to download directly from the Internet, but there is no doubt that the optical drive or a complete computer, in some cases, such as the reload system operation, are required to use to the optical drive, so the recent small set to see a problem, it is quite serious, a friend said, His Win7 system can not find the DVD driver in the Win7 system, what should I do? Small knitting for everyone to provide two sister Method!

First Solution:

This may be due to the inability of the optical drive to be recognized by the system. The solution is simple, we open the menu, enter the regedit command in the search box, so that we can open the system Registry Editor.

Next we expand hkey_local_machinesystemcurrentcontrolsetcontrolclass{4d36e965-e325-11ce-bfc1-08002be10318} in the left-hand column, Then in the right side of the interface click UpperFilters and lowerfilters options, note that the right click, and then directly choose to delete it! Finally, you need to restart your computer.

Second Solution:

Click Start-All Programs-attachments, find the command prompt option, then right-click and choose to run as Administrator.

In the pop-up window, we enter the Bcdedit/set loadoptions ddisable_integrity_checks command, and carriage return confirmation.