Win10 system how to retrieve the resource manager CD-ROM

In the Win10 system, sometimes we will find the resource manager "this computer /this computer" in the drive icon inexplicably disappear, the CD-ROM itself can not be used, although it does not Any physical damage. After entering the device manager, the optical drive was marked with an exclamation mark "!” and said that it could not be installed. After this happens, how to retrieve the CD-ROM? In fact, you can use the method of modifying the registry to solve, but before the modification, we should first back up the registry, so as to avoid the loss caused by misuse is difficult to recover.

The method is as follows:
1, press Win+R, open the run, enter “regedit”, click OK;
2, in the open registry editor, expand to HKEY_LOCAL_MACHINESystemCurrentControlSetServicesatapi ;
3, right-click atapi, select a new item named "“Controller0”, and then create a new DWORD (32-bit) value named "EnumDevice1" on the right side, and set the value data to 1;

4. Restart the computer.
If the above method still can't solve the problem, you can further modify it. The specific steps are as follows:
1, press Win+R, open the run, enter “ldedit”, click OK;
2, open In the Registry Editor, expand to HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass{4D36E965-E325-11CE-BFC1-08002BE10318}, find and remove UpperFilters and LowerFilters;

3, restart the computer.