Fix Windows 7 error without receiving CD / DVD drive

In the process of using the computer, some of you may have experienced a Windows 7 computer operating system that did not receive an unstable CD / DVD drive or CD / DVD drive.

One of the causes of this problem is that the driver (device driver) of the CD / DVD drive is not correct or corrupted.

To fix the problem as described, try reinstalling the new driver for the CD / DVD drive. However, if you can't find the right driver, you can try following one of these options:

Option 1:

1. Restart the computer, while the computer is booting, press the F8 key to enter the Windows 7 Advanced Boot Options window and select Disable driver signature enforcement as shown below:

Let Windows 7 continue to boot. Then check to see if the CD / DVD drive has been received.

Plan 2:

1. Click Start , select All Programs

2. Click Accessories , select Run

3. Type regedit , and then click OK

If you are prompted to enter an admin password or a confirmation request message, type the password, or click Allow .

4. In the next navigation window, locate and then click the following registry key:

E325-11CE-BFC1-08002BE10318}

5. In the right window, click UpperFilters

6. You can also see an UpperFilters.bak registration entry

You do not need to remove that entry.Consider UpperFilters and click on it.

If you do not see the UpperFilters entry registry, continue from step 8.

7. On the Edit menu, click Delete .

8. When you are prompted to confirm the deletion, click Yes .

9. In the right window, click LowerFilters .

10. On the Edit menu, click Delete .

11. When you are prompted to confirm the deletion, click Yes .

12. Exit Registry Editor.

Restart the computer and verify that the CD / DVD drive has been received.

Option 3:

This is the most "vigorous" option. This option will completely eliminate the operation of checking the reliable source of drivers on Windows 7.

1. Click Start , type cmd and then press Ctrl + Shift + Enter .

2. Type the command below (or Copy & Paste) into the command prompt window (ENTER):

bcdedit / set loadoptions DDISABLE_INTEGRITY_CHECKS

3. Restart the computer.

Note : If you are not proficient or unknown about the Registry, you should not follow option 2 or 3, but you should bring it to computer repair or maintenance centers for inspection and processing. .