1. First, click to open the win7 Ultimate computer's start menu, then enter "ld_device manager" in the search window at the bottom of the start menu, then You will see the search results that appear in the Start menu <;Device Manager", click directly to enter.
2. After opening the win7 Ultimate computer's "Device Manager" interface, right click on the name of the drive, then select "Uninstall" in the pop-up menu. If the DVD/CD-ROM drive is not in the list, you will need to re-check the power or optical drive cable).
3. When you are done, click on “Actions" 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”.
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