Top 8 Fixes for ‘APC Index Mismatch’ BSOD Error in Windows 10 or 11
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Facing the dreaded ‘APC Index Mismatch’ blue screen of death (BSOD) error on your Windows 10 or 11 system can be quite frustrating. This error can be caused by various issues including incompatible drivers, hardware conflicts, and sometimes due to corrupt system files. Thankfully, there are several troubleshooting steps you can take to resolve this issue. Here are the top 8 fixes that could help you get your system back up and running smoothly.
1. Update Your Drivers:
The most common cause of the ‘APC Index Mismatch’ error is outdated or incompatible drivers. Update all your device drivers, especially graphics and audio drivers, using Device Manager or by downloading the latest versions from the manufacturer’s website.
2. Run the Windows Troubleshooter:
Take advantage of the built-in Windows troubleshooter which can automatically detect and fix some common BSOD errors. Access it by going to Settings > Update & Security > Troubleshoot.
3. Check for Windows Updates:
Microsoft regularly releases updates that can resolve BSOD errors like APC Index Mismatch. Go to Settings > Update & Security > Windows Update to check for and install any available updates.
4. Roll Back Drivers:
If the issue started after a driver update, roll back the driver to an earlier version in Device Manager. This is particularly useful if you suspect a new driver is causing incompatibilities leading to the BSOD.
5. Run System File Checker (SFC):
Corrupt system files might also cause this error. Running the SFC utility can repair such files. Open Command Prompt as an administrator and type `sfc /scannow` then press Enter.
6. Check RAM:
Sometimes, faulty RAM can be the culprit behind APC Index Mismatch errors. Use diagnostic tools like ‘Windows Memory Diagnostic’ to check for RAM corruption.
7. Uninstall Recent Software:
Newly installed software can cause conflicts with system files or drivers leading to BSODs. If you’ve recently installed new software before encountering this error, try uninstalling it to see if that resolves the issue.
8. Perform a System Restore:
If all else fails, restoring your system to an earlier point when it was working correctly might do the trick. Access System Restore via Control Panel > Recovery > Open System Restore and follow the prompts.
If none of these steps work, it may indicate a more serious hardware problem, at which point reaching out to a professional would be advisable. Remember to always create backups before performing advanced troubleshooting steps or system changes.