NEC VKT16B-5 use Lenovo NM-B891 board, please help to enable camera

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Hi, I bought second from someone this NEC VKT16B-5, and found that it actually have camera but was disabled, not detect at all in device manager, can't find any setting in BIOS.
And it use LENOVO NM-B891 Rev.2 board, so, I tried to flash a BIOS downlaoded from here

https://www.badcaps.net/forum/troubl...-request/page2

reply #21, so, I confirm the camera works fine.

Is anybody can help to modify my NEC backup BIOS, so that the camera is enable?

Model: NEC PC-VKT16BZG5
Serial: 01004431A

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Or can someone suggest how to find where exactly is the value to edit in hex editable for cam enable?