[SOLVED] [10v1703b15063 x64] DPC issues. Even after OS update: v1709b16299.

sazrocks

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Trace, DxDiag, and msinfo:
sharing - Google Drive

Problem: Audio is popping, especially while gaming, but also significantly during idle music playing. LatencyMon seems to randomly say either storport.sys, ndis.sys, and/or iaStorA.sys are/is the problem. I know my windows install record is not ideal, but I would really prefer if this could be solved without a reinstall.
 
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Re: DPC issues.

It appears that your Intel storage controller driver is interfering with your display card driver. See if running with the Microsoft drivers makes a difference:

Replacing Intel AHCI drivers with standard Microsoft SATA drivers - Crucial Community

The Microsoft Driver might also be listed as Microsoft Storage Spaces Controller
This definitely counts as necroing, so sorry in advance.

I am still having DPC issues even after swapping out for the standard driver. Any other ideas? Here's a fresh Trace
 
Re: [W10StdV1703b15063 x64] DPC issues.

BIOS: speccy shows 3503 5/15/2017
MB support shows: 3504 2017/08/11
MB support also shows:
- 2017/11/22 MEUpdateTool
- 2017/11/01 11.7.0.1040 Management Engine Interface

Given that the imei driver precedes the meupdatetool, I think you should install that one for first.
Therefore:
1) bios
2) imei
3) meupdatetool

Install imei and meupdatetool after you disabled the antivirus and the network.
Or run them in safe mode (without networking).

Check the manual at point 2.11 for to know how to update the bios.
Then reboot once, shutdown, re-enter the bios and:
Ensure to load the BIOS default settings to ensure system compatibility and stability. Select the Load Optimized Defaults item under the Exit BIOS menu.

Try to move your 8GB sticks to 2nd and 4th slots and your 4GB sticks to 1st and 3rd slots.
Try to set 2133 as their speed.

Speccy shows
- 2x KHX2133C14D4/4G
- 2x KHX2133C14D4/8G

I found these models:
HX421C14FBK2/8 (8GB Kit 2x4GB DDR4 2133MHz CL14)
HX421C14FB2K2/16 (16GB Kit 2x8GB DDR4 2133MHz CL14)

Could you post the exact models?

There's a new firmware for your Samsung ssd: ISO EMT02B6Q (currently it is EMT01B6Q, seen in speccy).

Open device manager, universal serial bus controllers, and try right-click --> update driver on ASMEDIA USB 3.1 items (probably "ASMedia USB3.1 eXtensible Host Controller").
It seems currently you're using 1.16.35.1, but I found 1.16.49.1 in Microsoft update catalog!!!.
 
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Just wanted to post here for future peoples because I seem to have fixed the issue, albeit in a strange way. I manually lowered the System Agent voltage in the BIOS to 1.075 and Voila no popping. This may only be applicable for my board (Asus Z170-A), but it's worth a shot if anyone else out there is having DPC issues that can't be fixed by drivers. Also for the record I am still running BIOS 3503 (3504 drops a feature I need to boot another OS on my system). Thanks to everyone here who tried to help, I will definitely come back here if I have further issues.
 
CPU System Agent Boot Voltage default setting is "auto".
It is also known as VCCSA.
It also seems this feature is called as uncore and/or ringbus frequency.
It shows a range between 0.7000 and 1.8000 (for asus z170-a).
0.0125 is the increment.
Therefore 89 (?) values should be available.

Was it on auto or did you modify it before you got this problem?
Did it start from the middle (1.25)?
 
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