How to Fix APC Index Mismatch Error in Windows 10

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Firstly, we will discuss how to fix this problem by performing a clean boot in safe mode. I will also provide steps alongside screenshots to update your computer’s display driver so as to solve the issue.

Not just that, you will also learn how to fix the issue by installing Windows 10 updates on your PC. To crown it all up, this guide features an FAQ section.

This section contains answers to some of the most asked questions about this blue screen error.

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Fix APC Index Mismatch Error in Windows 10 by Performing Clean Boot in Safe Mode

Fix APC Index Mismatch Error In Windows 10 By Performing Clean Boot In Safe Mode

One way to fix this problem is to perform a clean boot in safe mode. To achieve that, follow the steps below.

 

  1. Press and hold the power button of your PC for a few seconds until it shuts down.
  2. After that, press the power button again to start the Windows 10 PC. However, when Windows 10 is loading, press and hold the power button again until the computer shuts down.
  3. When you turn on the Windows 10 computer for the third time, it should boot into Recovery mode.
  4. In the Recovery mode environment, select See advanced repair options.
  1. After that, click the Troubleshoot option from the Choose an option page.
Fix APC Index Mismatch Error In Windows 10 By Performing Clean Boot In Safe Mode
  1. Following that, select Advanced options.
  1. Then, click the Startup settings option.
Fix APC Index Mismatch Error In Windows 10 By Performing Clean Boot In Safe Mode
  1. On the Startup Settings page, click the Restart button.
  1. After that, you can either press the “F4” or “4” key on your keyboard to boot into safe mode.
Fix APC Index Mismatch Error In Windows 10 By Performing Clean Boot In Safe Mode
  1. When you’ve successfully booted into safe mode, click the search field on the Windows 10 taskbar and type “msconfig”. Then, select System Configuration from the search result.
  1. After that, switch to the Services tab, check the Hide all Microsoft services box, and click Disable all.
Fix APC Index Mismatch Error In Windows 10 By Performing Clean Boot In Safe Mode
  1. After that, switch to the Startup tab and select Open Task Manager.
  1. On the Startup tab in Task Manager, disable every application that is enabled by right-clicking it and selecting Disable.
To know if an application is enabled, check Status – the application’s status should be Enabled.
Fix APC Index Mismatch Error In Windows 10 By Performing Clean Boot In Safe Mode
  1. After doing that, close the Task Manager window.
  1. Then, click OK on the System Configuration window to save the changes.
Fix APC Index Mismatch Error In Windows 10 By Performing Clean Boot In Safe Mode
  1. Finally, restart your Windows 10 computer, and the problem should be fixed. However, check out the other solution below if the problem still occurs.

Fix APC Index Mismatch Error in Windows 10 by Updating Display Driver

Sometimes, the APC index mismatch error in Windows 10 might be caused by an outdated display driver. Hence, you will have to update the display driver of your computer to fix the problem.

To achieve that, follow the steps below.

  1. Right-click the Windows 10 Start menu and select Device Manager from the options that pop up.
Fix APC Index Mismatch Error In Windows 10 By Updating Display Driver
  1. When Device Manager opens, double-click Display adapters to expand it.
  1. Then, right-click your computer’s display driver and select Update driver.
Fix APC Index Mismatch Error In Windows 10 By Updating Display Driver
  1. Next, click on Search automatically for drivers.
  1. After doing that, Windows will search the internet for the latest display driver update for your computer and automatically installs it. Therefore, make sure your computer is connected to the internet during this process.
Fix APC Index Mismatch Error In Windows 10 By Updating Display Driver
  1. Lastly, restart your Windows 10 PC after the update. Hopefully, the problem should be resolved.

However, you can check out the next solution below if the issue isn’t resolved.

Fix APC Index Mismatch Error in Windows 10 by Running Windows Update

Fix APC Index Mismatch Error In Windows 10 By Running Windows Update

Another way to fix the APC Index Mismatch blue screen error in Windows 10 is to update the operating system. To perform this task, follow the steps below.

  1. Right-click the Windows 10 Start menu on the taskbar and select Settings.
  1. When the Settings window opens, click Windows Update.
Fix APC Index Mismatch Error In Windows 10 By Running Windows Update
  1. Then, select Check for updates on the right pane of the window. Thus, if there is any available update, Windows will download and install it automatically on your PC.
Windows will search the internet for updates. Due to this, ensure your Windows 10 PC is connected to the internet during the update process.
  1. Finally, restart your Windows 10 PC after the update, and the issue should be fixed.

Frequently Asked Questions About Fixing APC Index Mismatch Error in Windows 10

1. What Causes APC Index Mismatch?

An outdated driver is a common cause for APC Index Mismatch error in Windows 10. This error can also be caused by a corrupt system file or faulty hardware.

2. What Causes Blue Screen On Windows 10?

Usually, the blue screen on Windows 10 is caused by driver-related issues or issues with hardware. Applications that crash can also cause a blue screen on Windows 10.

3. How Do I Start Windows 10 In Safe Mode?

To start Windows 10 in safe mode, follow the procedures below.
a) Press and hold the power button on your Windows 10 computer until it shuts down.
b) After that, press the power button again to start the computer. However, when Windows 10 is starting up, press and hold the power button once again until the computer shuts down.
c) When you start the Windows 10 computer for the third time, it should boot into recovery mode.
d) Then, select See advanced repair options on the Recovery mode environment.
e) Following that, click on Troubleshoot.
f) After that, select Advanced options.
g) Then, click Startup settings.
h) Once you have done that, click the Restart button.
i) Finally, press either “4” or “F4” on your keyboard to boot your Windows 10 computer into safe mode.

4. Can RAM Cause Blue Screen?

Yes, RAM can cause a blue screen error on your Windows 10 computer.

5. Does Blue Screen Damage Computer?

No, blue screen or BSOD (Blue Screen Of Death) doesn’t damage your computer. It is just an error that appears when your computer’s hardware or software has an issue.

My Final Thoughts About Fixing APC Index Mismatch Error in Windows 10

My Final Thoughts About Fixing APC Index Mismatch Error In Windows 10

The APC Index Mismatch blue screen error appearing on your Windows 10 PC’s screen while working can be annoying. Nonetheless, with the fixes that I provided in this guide, you can kiss this problem goodbye.

Specifically, we discussed how to fix this error by performing a clean boot in safe mode. We also talked about a solution that involves updating the computer’s display driver.

That’s not all; I also provided steps to update your Windows 10 operating system to solve this APC Index Mismatch error.

I hope this guide was useful to you. If it was, sparing 2 minutes to share your experience with our community at Itechguides Community would be very appreciated.

However, if none of the solutions worked for you, don’t hesitate to post it at Itechguides Community. You will get a response from our team and other community members as soon as possible.

Lastly, for more Windows 10 fix-it guides, visit our Windows 10 Fix-it guides page.

References and Further Reading

  1. answers.microsoft.com – APC Index Mismatch- Windows 10 Pro 64 bit
  2. support.microsoft.com – Windows Startup Settings (including safe mode)
  3. support.microsoft.com – How to perform a clean boot in Windows
  4. Itechguides Community

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