Win7 system still prompts "insert disc" after inserting disc what's going on?

Win7 system users sometimes want to burn their system to a CD backup to save, but after inserting the CD into the computer, found that the computer could not find the disc, always prompted to insert the disc. How can this problem be solved? Now the small compilation teaches everybody a solution method.

Specific steps to operate:

1, first open Device Manager, and then find the DVD device class, the right mouse click to select "Uninstall";

2, in the bounce out of the Confirmation Device Uninstall window, select "OK";

3, after unloading, click on the top of the window "operation-scan detection hardware driver";

4. After the scan is finished, the installation information will be displayed in the lower right corner.

5, and then wait for the automatic installation of the device, you can normally open the optical drive and view the contents of the CD.

If you want to back up your system to a disc, always prompt to insert the disc after you insert the disc. So, just follow the steps above to fix it.