ERROR_GRAPHICS_SPECIFIED_CHILD_ALREADY_CONNECTED

Specified display adapter child device already has an external device connected to it.

Matched as: the code as given (hex)

HRESULT breakdown: code: 9216, customer: False, facility: 38, severity: failure (bit 31 set), ntstatus_wrapped: False

Other names

• ERROR_GRAPHICS_SPECIFIED_CHILD_ALREADY_CONNECTED: Specified display adapter child device already has an external device connected to it.

Source: COM Error Codes (COMADMIN, FILTER, GRAPHICS) (Winerror.h) · CC BY 4.0 · wording unchanged, formatting adapted for this site · retrieved 2026-10-24