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New Member
Posts: 2
Registered: ‎01-16-2019

SOLVED: NS-P11W7100-C microphone device missing issue and solution

[ Edited ]

For the longest time I could not get the internal microphone to work
on my NS-P11W7100-C . In case anyone else has the same problem,
I finally got it to work as follows:

 

(1) In device manager, updating the "Intel SST Audio Device (WDM)" and the

"Nuvoton SST Nau8L24 Codec Device" device drivers from

 

     isstrtc.inf : DriverVer=08/09/2015,604.10135.2747.5232
     nau88l24rvp.inf : DriverVer=05/16/2016,5.51.11.422


to

 

     isstrtc.inf : DriverVer=01/12/2016,604.10135.2747.11324
     nau88l24rvp.inf : DriverVer = 12/14/2017,1.12.2.1

 

 

(2) In Win10 settings > Privacy > Microphone
setting "Allow apps to access your microphone" to "On" 

 

 

 

Note:

You can get the newer "Intel SST Audio Device (WDM)" drivers here:

 

{removed per forum guidelines}


Use only the files in folder
     SC_Win10_32_Drivers_07252016\PlatformInstaller\Drivers\Audio\AudioRealtek\isstrtc


which are
File Name Size MD5 Hash CRC32
IsstPropPage.dll 524,800 f37fb38088af837bbe83a974bafeed83 0a823ec9
IsstProxyApo.dll 157,256 81ccee535717e65310cf834ced11a54e 3d841442
isstrtc.cat 19,345 5d3cdb96f04ad56825a50745d996dd89 7fdb5d32
isstrtc.inf 60,234 80b0dddbad0366402bcd667e1489fb26 d8176f39
isstrtc.sys 634,872 f9673a4e7463bf6f2b17b593171907d2 12038a6c
realtek_fw_sst.bin 949,956 b1b8643a33ed39b37d88c9c68207d540 dbc63404

 

You can get the newer "Nuvoton SST Nau8L24 Codec Device" here:


{removed per forum guidelines}


The driver files are:
File Name Size MD5 Hash CRC32
Nau88L24Rvp.cat 9,939 416bac02031ec5027bbf7a194d353ede b3704503
nau88l24rvp.inf 2,206 f5af64fa323cf680c6993ddc42dc91f2 ff66b02b
nau88l24rvp.PNF 7,720 e5a68866cb974255bd8b035d2fd4b44b a7807c61
Nau88L24Rvp.sys 166,800 f095b3e565c3945eb9b3d03c6ca4f6a4 8bcd9a82

 

I installed them by first uninstalling the device in the Device Manager
with the "Delete the driver software for this device" box checked, then I right-clicked
on the ".inf" file and selected "Install" from the context menu. After doing
that for both drivers, I rebooted the computer.

New Member
Posts: 3
Registered: ‎03-05-2018

Re: SOLVED: NS-P11W7100-C microphone device missing issue and solution

Well, thanks a Ton Best Buy forum moderator for removing the links to the updated drivers that might actually get the microphone working in my insignia tablet again. Really appreciate that.

New Member
Posts: 3
Registered: ‎03-05-2018

Re: SOLVED: NS-P11W7100-C microphone device missing issue and solution

I am going to add one thing to your writeup. Once I got everything working it would all of a sudden drop the microphone. It turns out it was windows 10 auto upate was loading whatever newer driver kills the microphone. After I stopped windows from auto-updating drivers, it has been fine.