Win7 CD-ROM is gone, how to do Win7 CD-ROM is gone. Solution

Recently, my friend encountered a strange computer problem, and upgraded an older Windows XP system notebook to a U disk reloading system. After the Windows 7 system, I found out that the optical drive was gone. I thought that the driver is not installed properly, but there is no simple optical drive hardware figure in the device manager. Finally, after consulting the relevant information, the author finally solved the problem by modifying the registry. The following is a solution for everyone to share the Win7 CD-ROM. .

Win7 CD-ROM is missing, how to do Win7 CD-ROM is missing the solution

The text mentioned in the tutorial: U disk installed Win7 becomes simple! One-click U disk installation Win7 system tutorial

First, in most cases, our computer's CD-ROM drive is gone, may be due to the driver installation is not normal, we usually see the optical drive in the device manager The device, just there will be an exclamation point on it, at this time we just need to download and install the corresponding CD-ROM drive to solve.

Second, for the friend recently encountered, in the device management can not find the optical drive device, usually only two possibilities:

1, the optical drive is broken or the internal optical drive line is loose ;

For this situation, the author's friends can be excluded here, so the CD-ROM drive is good on the XP system. You can't change the Win7 system CD-ROM drive. It can be used before, indicating that the internal connection is no problem.

2, ahci is enabled when Win7, the optical drive is not compatible with ahci

>>.AHCI What is the AHCI mode?

This situation should be encountered by the author's friends. After modifying the registry, it was solved. Here is the specific introduction.

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