Second DVD drive not recognized by Windows 10 (20H?)


  1. Jambe
    Posts : 45
    windows 10, version 1903
       New #1

    Second DVD drive not recognized by Windows 10 (20H?)


    I have watched half a dozen videos showing how to get Win 10 to recognize my Optical drives. I have two.

    The following is what is usually recommended...
    reg.exe add "HKLM\System\CurrentControlSet\Services\atapi\Controller0" /f /v EnumDevice1 /t REG_DWORD /d 0x00000001

    While I can get win 10 to recognize one drive it doesn't recognize two drives.

    Speccy shows two drives (depending on how I have the cables plugged into the M/B. In the UEFI I have enabled all SATA ports). Disk Manager shows two drives and even reads the disc info. But File Explorer at best only shows one drive. Inserting a disc in the 'absent' drive gets an error message saying to insert a disc when that is what i just did.

    What do I need to do?
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  3. bobkn
    Posts : 4,453
    Win 11 Pro 22000.708
       New #2

    Did you verify that both drives are detected properly when attached one at a time?

    That'd be a simple check that neither drive has hardware problems.
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  4. Samuria
    Posts : 8,111
    windows 10
       New #3

    Look in device manager at the properties is the dms, irq confilct?
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  6. Jambe
    Posts : 45
    windows 10, version 1903
    Thread Starter
       New #4

    When I started up both drives were working properly. Five minutes later they were flaky (Insert a disc in Drive D: when it already has one, etc.)
    I have decided the drives are garbage and will swap out a couple from another computer.

    I was thinking that maybe something needed to be changed in the regedit line when more than one drive was installed. I guess not. I am giving up on this.

    Thanks for the replies.
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