Workaround for a device driver (Code 39) that fails to load this hardware in a Windows system

Recently somehow, the CD-ROM drive and the virtual optical drive letter are missing, see the system found hardware front there is a yellow exclamation point, can not be used, search on the internet, found that a lot of people appear the same problem, just solve the wrong way, looking for two days, finally found a solution:

Fixed "optical drive icon missing" record

The computer did not use a few days, suddenly found that the CD-ROM icon is missing, the system prompts: Windows cannot load the device driver for this hardware. The driver may be damaged or missing. (Code 39)
1. I uninstalled the optical drive, the result is able to identify, but prompted installation error, error or the same;
2. I unloaded the Golden Hill analog optical Drive, the result is the same;
3. Using the official patch or not;
4. Copy the driver on the computer from the classmate or not;

Finally, the following method is used to recover: Start-run-regedit-into the registry, to hkey_local_machinesystemcurrentcontrolsetcontrolclass{ 4d36e965-e325-11ce-bfc1-08002be10318} Remove the "UpperFilters" entry and "Loweverfilters" item to restart the computer

Also found a

The following two methods can be used:
First, go to the Control Panel, select "Add New Hardware", and then follow the prompts step-by-step, when the system check is complete, the general can find the optical drive;
Second, go to the Control Panel, select "Device Manager", remove the "hard disk controller" entry, and then restart the computer. Since the optical drive uses the same controller as the hard drive, it is automatically recognized when it is removed and restarted, and the drive letter of the CD-ROM is usually retrieved.