Windows 10: iaStorAC.sys

Discus and support iaStorAC.sys in Windows 10 BSOD Crashes and Debugging to solve the problem; Hello I recently ran into several Bluescreen errors and the last ome would not restart anymore. Stopcode: DRIVER_IRQL_NOT_LESS_OR_EQUAL What... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by SandroStudiger, May 21, 2020.

  1. iaStorAC.sys


    Hello


    I recently ran into several Bluescreen errors and the last ome would not restart anymore.


    Stopcode: DRIVER_IRQL_NOT_LESS_OR_EQUAL

    What failed: iaStorAC.sys


    I am not very confident in just trying to fix the error myself with similar problems i found online. I would go to a Store and ask but i am currently in quarantine and not allowed to leave the house so i thought i ask here.


    My laptop is a Acer Nitro 5 Spin. It is not even a year old but i spilled a bottle of water over it once and had to replace the HDD because it was broken. Since then it has been working without problems. I use it for photoediting and gaming mainly. Usually the bluescreen popped up when i turned the Laptop off.


    Can someone help me? I would appreciate any help i can get.


    Thanks in advance and best regards

    Sandro

    :)
     
    SandroStudiger, May 21, 2020
    #1

  2. DRIVER_IRQL_NOT_LESS_OR_EQUAL (igdkmd64.sys)

    Hi Nezar,

    Thank you for posting on Microsoft Communities.

    I will be glad to help you with the issue you have with the computer. I understand the frustration when things don't work the way it should.

    What is the make and model of your computer?

    File igdkmd64.sys is the Intel Graphics Kernel Mode Driver for Microsoft Windows 8.

    I would suggest you to follow the steps provided below:



    Step 1:

    Uninstall the Device from Device Manager

    • Open Device Manager
    • Expand the Display Adapter section.
    • Find the Display card Driver.
    • Right click Display card Driver and select
      Uninstall.
    • Select the check box delete the driver software for this device.
    • Reboot the computer after uninstall process has finished.

    Step 2:

    Uninstall the Device Drivers from Program List in Control Panel

    • Click on start, select Control Panel
    • Now click on Programs and select Programs and Features.
    • Find the Display card Driver.
    • Right click Display card Driver and select
      Uninstall.
    • Reboot the computer after the uninstall process has finished.
    Hope this helps and do let us know if you need any assistance.
     
    Ruth Buruga, May 21, 2020
    #2
  3. Blue Screen because of cm11264.sys

    Hi,

    Cm11264.sys
    is a vital SYS file and it's a component of the software C-Media USB Audio Driver (WDM) developed by Windows Software Developer. Without it, it will be very difficult for your Windows system to run. Usually, cm11264.sys blue screen
    errors occur when you install a new hardware or software.

    For us to provide you the possible resolution and the accurate information as to why you're having the issue, answer
    the following questions:

    • When did the issue start?
    • Where there any changes made on your computer prior to this concern?
    • To make sure that we have not missed on anything, what troubleshooting steps have you done so far?

    Looking forward to the requested information for us to assist you further.
     
    Lizette Ags, May 21, 2020
    #3
  4. Inokis Win User

    iaStorAC.sys

    Steelseries Merc Keyboard driver alpham164.sys disabled after windows 10 creator update why? how to undo/force it?

    well I'll do the best I can to go step by step:

    • Boot With Driver Signing disabled
    • With Zengine installed, go to your "Saved Bettam folder"\Kernel2k\Bettam12.inf.
    • Right click and select install.
    • Go to your %SystemRoot%\System32\DriverStore\FileRepository\ and make sure the Bettam12_* folder is created... *being the alphanumeric hash that is generated when you install a driver.
    • If this folder is created then go to regedit
    • Go to Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\PnpLockdownFiles\%SystemRoot%/System32/drivers/Alpham164.sys
      • Edit the Source entry to your %SystemRoot%\System32\DriverStore\FileRepository\ bettam12_*\Bettam164.sys
    • Look for Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\PnpLockdownFiles\%SystemRoot%/System32/drivers/Bettam164.sys
      • Verify it contains the same information
    • Go to Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\PnpLockdownFiles\%SystemRoot%/System32/drivers/Alpham264.sys
      • Edit the Source entry to your %SystemRoot%\System32\DriverStore\FileRepository\ bettam12_*\Bettam264.sys
    • Look for Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup\PnpLockdownFiles\%SystemRoot%/System32/drivers/Bettam264.sys
      • Verify it contains the same information
    • Go to Computer\HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Setup\PnpLockdownFiles\%SystemRoot%/System32/drivers/Alpham164.sys
      • Edit Source to your %SystemRoot%\System32\DriverStore\FileRepository\bettam12.inf_*\Bettam164.sys
    • Go to Computer\HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Setup\PnpLockdownFiles\%SystemRoot%/System32/drivers/Alpham264.sys
      • Edit Source to your %SystemRoot%\System32\DriverStore\FileRepository\bettam12.inf_*\Bettam264.sys
    • Look for Computer\HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Setup\PnpLockdownFiles\%SystemRoot%/System32/drivers/Bettam164.sys
      • Verify it contains the same information
    • Look for Computer\HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Setup\PnpLockdownFiles\%SystemRoot%/System32/drivers/Bettam264.sys
      • Verify it contains the same information
    • Search for Bettam1, result should be Computer\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\USB in a VID Key
    • If not Search for Alpham1 in that tree and change LowerFilters to Bettam1
    • Go to Computer\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Alpham1
      • Change ImagePath to your "Saved Bettam Drivers\Kernel2k\Bettam164.sys" folder
    • Look for Computer\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Bettam1
      • Verify it contains the same information
    • Search for Bettam1, result should be Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\USB in a VID Key
    • If not Search for Alpham1 in that tree and change LowerFilters to Bettam1
    • Go to Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Alpham1
      • Change ImagePath to your your "Saved Bettam Drivers\Kernel2k\Bettam164.sys" folder
    • Look for Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Bettam1
      • Verify it contains the same information
    • Go to Computer\HKEY_LOCAL_MACHINE\SYSTEM\DriverDatabase\DriverInfFiles\oem34.inf
      • Change both Default and Active to your "bettam12.inf_*" folder thats in System32
    • Go to Computer\HKEY_LOCAL_MACHINE\SYSTEM\DriverDatabase\DriverInfFiles\oem35.inf
      • Change both Default and Active to your "bettam12.inf_*" folder thats in System32
    • Go to Computer\HKEY_LOCAL_MACHINE\SYSTEM\DriverDatabase\DriverPackages\alpham12.inf_*
      • Change InfName to Bettam12.inf
      • Change OEMPath to your "Saved Bettam Files\Kernel2k" folder
    • Search for Bettam1, result should be Computer\HKEY_LOCAL_MACHINE\SYSTEM\DriverDatabase\DriverPackages\alpham12.inf_amd64_932fbe5113b0010d\Configurations in a HID_Keypad entry
    • If not Search for Alpham1 in that key and change LowerFilters to Bettam1
    • Look for Computer\HKEY_LOCAL_MACHINE\SYSTEM\DriverDatabase\DriverPackages\bettam12.inf_*
      • Verify it has the same information as the previous Alpham1.inf_* entry
    • Search for Bettam1, result should be Computer\HKEY_LOCAL_MACHINE\SYSTEM\DriverDatabase\DriverPackages\bettam12.inf_*\Configurations in a HID_Keypad entry
    • If not search for Alpham1 and change LowerFilters to Bettam1

    If any of the Alpham entries are missing, or you previously renamed any of the Alpham keys, reinstall Zenginge from scratch and then start from the beginning of these steps.

    Reboot your computer with Driver Signing Disabled again and See if Zengine is working. If Zengine is red Open Device Manager. Verify the Bettam164.ys and Bettam264.sys are listed, If they are missing and if there is no Alpham164.sys or Alpham264.sys then
    begin updating drivers. Use the saved Bettam drivers in your Kernel2k path. If everything is working you can reboot normally.
     
    Inokis, May 21, 2020
    #4
Thema:

iaStorAC.sys

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