How to Show All Hidden Devices in Device Manager

Open your registry and find or create the key below.

Create a new String value, or modify the existing value, called "DEVMGR_SHOW_NONPRESENT_DEVICES" and set it according to the value data below.

Exit your registry; you may need to restart or log out of Windows for the change to take effect.




(Default) REG_SZ (value not set)
DEVMGR_SHOW_NONPRESE... REG_SZ 1

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControl

Set\Contro l\Session ...



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Registry Settings
System Key: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\
Environment]
Value Name: DEVMGR_SHOW_NONPRESENT_DEVICES
Data Type: REG_SZ (String Value)
Value Data: (1 = show all hidden devices)


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