专业维修海康威视DVR录像机，无输入、无输出、不认硬盘、不能开机，请参考以下型号：

DVR:DS-7824HW-E2、DS-7904HW-E4、DS-7908HW-E4、DS-7916HW-E4、DS-7924HW-E4、DS-7932HW-E4、DS-8804HW-E4、DS-8808HW-E4、DS-8816HW-E4、DS-7816HE-E1/M、DS-7824HE-E2、DS-7832HE-E2、DS-7808HE-E2、DS-7816HE-E2、DS-7916HE-E4、DS-7924HE-E4、DS-7932HE-E4、DS-8816HE-E8、DS-8824HE-E8、DS-8832HE-E8

NVR:

DS-7108N-E1/V/W/500G、S-7108N-E1/V/W/1T、DS-7800N-E1/A/1T(标配)、DS-7800N-E1/A/500G(标配)、DS-7104N-SN、DS-7108N-SN、DS-7116N-SN、DS-7104N-SN/N、DS-7108N-SN/N、DS-7116N-SN/N、DS-7104N-SN/P、DS-7108N-SN/P、DS-7116N-SN/P、DS-7804N-SN、DS-7808N-SN、DS-7816N-SN、DS-7804N-K1、DS-7808N-K1、DS-7816N-K1、DS-7804N-E1/4N、DS-7804N-E1/4P、DS-7808N-E2、DS-7816N-E2、DS-7832N-E2、DS-7808N-E2/8N、DS-7816N-E2/8N、DS-7832N-E2/8N、DS-7808N-E2/8P、DS-7816N-E2/8P、DS-7832N-E2/8P

DS-7808N-K2、DS-7816N-K2、DS-7908N-E4、DS-7916N-E4、DS-7932N-E4、DS-7908N-E4/8P、DS-7916N-E4/16P、DS-7932N-E4/16P、DS-7908N-K4、DS-7916N-K4、DS-7932N-K4、DS-7908N-K4/8P、DS-7916N-K4/16P、DS-7932N-K4/16P

XVR:

DS-7104HGH-F1、DS-7108HGH-F1、DS-7116HGH-F1、DS-7804HGH-F1/M、DS-7808HGH-F1/M、DS-7816HGH-F1/M、DS-7104HGH-F1/N、DS-7108HGH-F1/N、DS-7116HGH-F1/N、DS-7804HGH-F1、DS-7808HGH-F2、DS-7816HGH-F2、DS-7804HGH-SNH、DS-7808HGH-SNH、DS-7816HGH-SNH、DS-7804HQH-SNH、DS-7804HQH-SH、DS-7808HQH-SH、DS-7816HQH-SH

DS-7904HGH-SH、DS-7908HGH-SH、DS-7916HGH-SH、DS-7924HGH-SH、DS-7932HGH-SH、DS-8804HGH-SH、DS-8808HGH-SH、DS-8816HGH-SH、DS-8824HGH-SH、DS-8832HGH-SH

DS-7904HQH-SH、DS-7908HQH-SH、DS-7916HQH-SH、DS-8804HQH-SH、DS-8808HQH-SH、DS-8816HQH-SH