APC Index Mismatch

In this article, we will discuss the most effective solutions for fixing the BSOD problem “APC Index Mismatch”. All fixes are simple to implement if the corresponding instructions are followed to the letter.

Fix: APC Index Mismatch

1. To update a driver, open Device Manager, click on the category of devices you wish to modify, and then click Update Driver.
2. Make use of the right mouse button’s Update driver option on the driver.
3. When prompted, choose the option to automatically search for drivers.
4. Once you upgrade to Windows 10, it will immediately begin looking for updated drivers online.
5. If Windows 10 is unable to locate an updated driver, you can remove the problematic component.
6. Reinstall the appropriate driver for your device by going to the manufacturer’s website or using Windows Update.
7. If you want to make sure you have the most recent version of Windows, go to System Settings > Update & Security > Windows Update > Check for updates.

Finally, try restarting your computer to see whether the APC Index Mismatch problem has been resolved on Windows 10.

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Method 2: Increasing or Decreasing RAM Frequency

You could try increasing the RAM’s clock speed to see if it helps. It’s a complex solution, though, so you’ll need some technical know-how. When implemented incorrectly, this fix has the potential to trigger system instability and potentially cause serious damage. Therefore, we advise that you seek the advice of a professional.

If the RAM frequency is higher than your motherboard supports, the overclock settings need be reset. As an alternative, you might underclock your RAM to see if it is compatible with your system speed. In order to see if the APC Index Mismatch error has been resolved, you need restart your computer.

Method 3: Remove Realtek HD Audio Manager From the List of Startup Programmes.

APC Index Mismatch blue screen of death errors have been linked to Realtek HD Audio Manager, according to certain users. A possible workaround is to disable or remove Realtek HD Audio Manager from the system’s startup programmes.

1. To bring up Task Manager, hit Ctrl+Shift+Esc.
2. Realtek HD Audio Manager can be found in the Startup submenu.
3. Make sure it’s not active by right-clicking it and selecting the appropriate option.
4. Put an end to Task Manager and restart your computer now.

Method 4: You can Perform an SFC Scan.

1. To launch Command Prompt as an administrator, simply type cmd into the Windows search bar and click the result.
2. In the command prompt, enter DISM.exe /Online /Cleanup-image /Restorehealth, and then press Enter.
3. Let it finish running and see if any damaged or corrupted files are displayed.
4. After that, hit Enter after typing SFC/Scannow.
5. Hold off until the task is completed. To see if the error has been resolved, you should now dismiss the window and restart your computer.

Method 5: Remove the Faulty Windows Update

1. Press the Windows key plus I to bring up the Settings menu, and then click on Update & Security.
2. Follow up by going to Windows Update, Viewing Update History, and then Uninstalling updates.
3. Track down the most recent Windows update that was deployed right before the problem started happening.
4. To remove the upgrade, right-click on it and select the appropriate option from the menu.
5. You should then perform a standard reboot to see whether the problem still occurs.

Method 6: Getting Rid of the Offending Third-Party App/Software

1. To access Apps & features, open System Settings and then click on Apps.
2. Select the troublesome programme here, then right-click it and select “Uninstall.”

Restarting your computer is necessary after uninstalling any software or applications.

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Method 7: Turn Off Virtualization In The BIOS

1. To access the BIOS setup, restart your computer and press the appropriate key (often Del/ F2/F12).
2. When the BIOS menu is accessed, look for the Virtualization option and turn it off. (You may look this up in your motherboard’s documentation.
3. After turning off virtualization in the BIOS, restart the computer to see if that fixes the issue.

You should not use this method if the Virtualization option is not there in the BIOS. Don’t make any rash changes or you could wipe out everything on your Windows 10 computer.