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0x000000A3BSODCritical

0x000000A3 — ACPI Driver Internal | Blue Screen Fix Guide

ACPI_DRIVER_INTERNAL

Windows XPWindows VistaWindows 7Windows 8Windows 10Windows 11

What Does 0x000000A3 Mean?

An internal error occurred in the ACPI driver.

Real-World Causes

  1. 1ACPI firmware bug
  2. 2Corrupted ACPI tables
  3. 3BIOS/UEFI ACPI implementation error

Symptoms

  • ⚠Blue screen with stop code ACPI_DRIVER_INTERNAL
  • ⚠System reboots unexpectedly
  • ⚠Possible data loss from unsaved work

DIY Fix

Beginner-friendly steps you can try at home

  1. 1Restart your computer
  2. 2Update power-related drivers
  3. 3Check power settings
  4. 4Run power troubleshooter

Advanced Fix

For experienced users and IT professionals

  1. 1Analyze minidump for faulting power driver
  2. 2Update BIOS/UEFI firmware
  3. 3Check ACPI compliance in Device Manager
  4. 4Test with different power supply unit

Frequently Asked Questions

What causes ACPI_DRIVER_INTERNAL?
An internal error occurred in the ACPI driver.
Can I fix ACPI Driver Internal myself?
In many cases yes. Start with basic troubleshooting like restarting, updating drivers, and running System File Checker. If the issue persists, advanced analysis of crash dumps may be needed.

Related Error Codes

0x000000A5ACPI Bios Error0x000000E0ACPI Bios Fatal Error

About the Author

Windows Troubleshooting Team

Verified against official Microsoft documentation and real-world diagnostic data. Error behavior confirmed across Windows 10, Windows 11, and Windows Server.