DVD driver cannot be found on Windows7

Source: Internet
Author: User

There are also more and more users using Windows 7 systems, and of course you will encounter various problems in the process of using Win7. A common problem with Win7 is that the system prompts the DVD driver not to be found, the DVD drive is not recognized by the system, and in Device Manager is just an exclamation point: "Windows cannot verify the data signature of this device ... (Code52) "

To completely resolve the Win7 system prompts the DVD drive to not find a DVD drive that is not recognized by Windows 7, download the following methods with reference to the depth Windows 7 flagship Ghost XP SP3.

Resolve Win7 system prompts DVD driver cannot find option one:

1. In the Start menu, enter regedit, carriage return. Open Registry Editor

2. Expand the following registry key

HKEY_LOCAL_MACHINESYSTEMCURRENTCONTROLSETCONTROLCLASS{4D36E965-E325-11CE-BFC1-08002BE10318}

3. On the right side of the panel, right click on upperfilters, click Delete

4. Click "Yes" to confirm the value deletion

5. Also delete the LowerFilters value. Confirm Delete

6. Quit Registry Editor and reboot

Computer company System Download Tip: When you delete the above two values, you may lose some functions, such as the CD recording program. If this happens, the affected program must be reinstalled. If the problem persists, you may need to contact the program vendor for an updated version of the program.

Resolve Win7 system prompts DVD driver cannot find alternative method two:

1. Click Start-> All Programs-> Accessories

2. Right-click the command prompt-> "Run as Administrator"

3. Paste the following command and enter:

Bcdedit/set loadoptions Ddisable_integrity_checks

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