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  1. #21
    xilolee's Avatar
    Join Date
    Dec 2013
    Location
    World, Europe, Italy
    Posts
    2,238
    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: completely stumped, directX and Nvidia drivers causing high DPC?

    New bios F5M available since 2018/01/22.
    Set ram speed to 2666.
    RAM model found in logs: F4-3000C15-8GTZR (red)
    RAM model found in internet: F4-3000C15D-8GTZ
    Both aren't present in MB QVL, but should be compatible.
    Completely uninstall passmark performance test, avast, malwarebytes, bitdefender (trufos.sys) using their special tools (enable WinDefender).
    Current NVIDIA drivers: 390.77.
    Latest NVIDIA drivers: 391.01.


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  2. #22

    Re: completely stumped, directX and Nvidia drivers causing high DPC?

    Quote Originally Posted by xilolee View Post
    New bios F5M available since 2018/01/22.
    Latest NVIDIA drivers: 391.01.
    thanks for the reply. Im running a slightly older BIOS because people have suggested the most recent has a chipset fix that is buggy (due to meltdown/specter concern), and that I should wait for a newer BIOS release. I had previously ran F5m and noticed no change in DPC latency before switching back to F5h. I updated the NVIDIA driver, just came out a few days ago, but no fix to DPC latency/sound crackles and frame drops

    Quote Originally Posted by xilolee View Post
    Set ram speed to 2666.
    RAM model found in logs: F4-3000C15-8GTZR (red)
    RAM model found in internet: F4-3000C15D-8GTZ
    Both aren't present in MB QVL, but should be compatible.
    not sure what to do about the RAM model mixup, suggestions? Went into BIOS and tried to manually set RAM speed, but its grayed out. Either the speed is set at 2133 (with no XMP profile) or at 3000 (with XMP profile, what I have changed it to). I can post a picture of the advanced memory settings under my BIOS if you'd like, not sure if theres a setting Im missing

    Quote Originally Posted by xilolee View Post
    Completely uninstall passmark performance test, avast, malwarebytes, bitdefender (trufos.sys) using their special tools (enable WinDefender).
    I have uninstalled performance test, avast, malwarebytes with no change to DPC latency. I could not find anything on my computer for the bitdefender outside of the trufos.sys file in system32 folder, could not uninstall via control panel 'uninstall or change programs.' what should I do w/ the trufos.sys driver?

    ran sfc /scannow and it came back with the following:
    Windows Resource Protection found corrupt files but was unable to fix some
    of them. Details are included in the CBS.Log windir\Logs\CBS\CBS.log. For
    example C:\Windows\Logs\CBS\CBS.log. Note that logging is currently not
    supported in offline servicing scenarios.

    will run a scanhealth/cleanup and see if that helps.


    any advice will be greatly appreciated

  3. #23
    xilolee's Avatar
    Join Date
    Dec 2013
    Location
    World, Europe, Italy
    Posts
    2,238
    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: completely stumped, directX and Nvidia drivers causing high DPC?

    Open a new thread in windows update forum and follow the instructions written in the sticky topic of that forum.
    chef says thanks for this.

  4. #24

    Re: completely stumped, directX and Nvidia drivers causing high DPC?

    fixed the CBS log thing w/ the standard Dism /Online /Cleanup-Image /RestoreHealth command, but still no DPC relief afterwards

    HOWEVER

    I grabbed a pair of computer speakers and hooked them in via the headphone jack and it seems to have (at least partially) fixed the problem: no static/chopping or framerate drop, especially during netflix or streaming

    this is a picture of all the audio devices when i right click on the realtek audio manager:

    directX and Nvidia drivers causing high DPC? FIX: DISABLED ONBOARD GRAPHICS CARD-rtad-png

    when I was getting audio via my TV/monitor with the HDMI cable the latency seemed much worse than currently, yet disabling individual audio drivers didnt seem to do anything when I tried in the past. Not sure where to go from here, but running separate speakers seem to be a temporary fix at least. Latencymon still comes up with results suggesting heavy DPC issues, but it doesnt manifest as audio pops or delays

  5. #25
    xilolee's Avatar
    Join Date
    Dec 2013
    Location
    World, Europe, Italy
    Posts
    2,238
    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: completely stumped, directX and Nvidia drivers causing high DPC?

    Therefore could it be the headphones are damaged?
    (I also got problems, because the cable/jack was pulled badly)

  6. #26

    Re: completely stumped, directX and Nvidia drivers causing high DPC?

    Quote Originally Posted by xilolee View Post
    Therefore could it be the headphones are damaged?
    (I also got problems, because the cable/jack was pulled badly)
    could be, I might have been treating two separate issues as though they were one (bad CBS log and bad audio). That said, I still get DPC spikes when I run latencymon, but for now there doesnt seem to be any noticeable affect. All the same, thanks to those who offered help

  7. #27

    Re: completely stumped, directX and Nvidia drivers causing high DPC?

    just wanted to give a quick update as I think Ive finally got this solved:

    though the speakers helped with the crackle it did not solve the issue entirely. More importantly (and more frustrating), the audio delay seemed to be getting worse with time and intermittent BIOS post issues (62 and 96) were beginning to occur more frequently. While gaming, there would frequently be issues w/ random temporary (1-10second) screen blackouts and freezes. I ended up doing a windows "fresh start" / clean win10 installation which unfortunately didnt help.

    At wits end, I cleared CMOS, reseated my GPU and RAM. I then went into BIOS settings and booted through the integrated mobo graphics (with a spare hdmi into my mobo), disabled the onboard graphics driver in the device manager, rebooted and changed BIOS settings to boot through GPU, and voila... (temporarily) fixed. I realize this will revert and I will have to re-disable the onboard graphics when windows updates, but thus far the issue seems to be fixed.... no audio delay, no crackling or post-code errors, and most importantly no screen blackouts or freezes

    not sure if the problem was improper seating, CMOS, some conflict between the integrated graphics and GPU, or a combo thereof, but anyone experiencing audio crackle, delay, or GPU driven issues might find this potentially helpful

  8. #28
    xilolee's Avatar
    Join Date
    Dec 2013
    Location
    World, Europe, Italy
    Posts
    2,238
    • specs System Specs
      • Manufacturer:
        XILOLEE.com
      • Model Number:
        XILO
      • Motherboard:
        ASROCK FM2A88M Pro3+ chipset A88X Bolton-D4
      • CPU:
        A10-7800, 4 CPU, 4 thr, 65/45W, FM2+, 28nm, Steamroller/Kaveri
      • Memory:
        10GB (Nanya and kingston ddr3-1333 9-9-9-24)
      • Graphics:
        Radeon R7 720MHz (8 GPU cores, integrated in CPU)
      • Sound Card:
        RealTek ALC662 (integrated in MB)
      • Hard Drives:
        Seagate ST500DM002-1BD142 500GB 7200RPM
      • Power Supply:
        SuperFlower 450W 80+ Platinum (SF-450P14PE)
      • Case:
        Sharkoon VG4-S
      • Cooling:
        Realtek RTL8111GR (NIC integrated in MB)
      • Display:
        Samsung SyncMaster SA100 LS22A100NS-EN
      • Operating System:
        Windows 10 Home/Standard x64

    Re: completely stumped, directX and Nvidia drivers causing high DPC?

    Nice!

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