reg.rarHi Kullenen_Ask , Many thanks for your help . I saw the "AudioEndpointBuilder","Audiosrv" sevice in the taskmgr was stoped ,and couldn't start those sevices by manual , Pop up the warning error message after start the service by manual: "The operation couldn't be completed ,the executable program that this service is configured to run in does not implement the service." The attach files is the my register: I configed drmk.sys,drmkaud.sys ,ks.inf*;*wdmaudio.inf*;*hdaudio*;*hdaudiobus.inf ,and copy the dll ,sys,..to \windows\system32 , windows\inf \windows\system32\drivers.... Online register the *.dll , *.ax, *.acm as below for %%f in (*.dll) do regsvr32 /s %%f|@echo ..%%f for %%f in (*.ax) do regsvr32 /s %%f|@echo ..%%f for %%f in (*.acm) do regsvr32 /s %%f|@echo ..%%f