Win7 does not recognize the solution of the optical drive

The computer optical drive sometimes has an unrecognized problem on the host. Some users of the Win7 system said that his host cannot recognize the optical drive. The solution to this problem provides a solution. See how Win7 can't identify the optical drive.

1, click on the & ldquo; & rdquo ;, then start in & ldquo; search & rdquo; box, type & ldquo; Device Manager & rdquo;, click on the & ldquo; & rdquo ;. Device Manager

2. Right-click the name of the CD-ROM drive and select “Uninstall”. (If the DVD/CD-ROM drive is not in the list, you need to re-check the power or CD-ROM cable.)

3. When the confirmation window appears, click the “OK” button. The CD-ROM drive name should now be removed from the list (if you have only one CD/DVD drive installed, the DVD/CD-ROM drive category will also be deleted).

4. Click on <;Operation" in <;Device Manager", select "Scan to detect hardware changes", and then wait to find and install the CD/DVD drive. After the end, the name of the CD-ROM drive should appear in the <quo;Device Manager”.

Resetting your computer's power

In some burning situations, the optical drive may be disconnected from Windows, even after restarting Windows. To restart the CD-ROM drive, select “Start” from the "Power" menu, then select “Close" to completely shut down the computer. The computer is completely turned off for 5 seconds before restarting the computer.

1. Click "Start”, then type “regedit” in the "Search” field.

2. If the computer prompts you to type an administrator password or confirmation message, follow the prompts. Open “Registry Editor”, select “Computer” in the main window.

3, click on <;file”,"export”, type in the file name that you can easily remember, and click the “Save” button. A copy of the registration file has been saved to the "documents" folder. If the problem persists after performing these steps, locate and double-click the file to restore the registry.

4. Click the arrow in front of the following items in the list: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass, select “4D36E965-E325-11CE-BFC1-08002BE10318”, make sure the registry key is selected.

5. If the value of "LowerFilters" is displayed on the right side of the Registry Editor window, select the value of "LowerFilters" and press the "Delete" button. Click the “yes" button to confirm the deletion. If the UpperFilters value is also listed, select “Upper Filters” in the right window and press the “Delete” key.

6. If there are other “UpperFilters” and “LowerFilters” values ​​in the 4D36E965-E325-11CE-BFC1-08002BE10318 item, please delete them.

7. Close “Registry Editor”, restart the computer. Windows should be able to recognize the optical drive.

The above is the Win7 system can not identify the CD-ROM solution is introduced here, if you can not identify the old DVD drive, may wish to refer to the "win7 system to quickly identify the two cheats of the DVD drive".