If you receive an ACPI_BIOS_ERROR on your Windows 10/8/7 PC, this post will show some ways you can troubleshoot the issue. The ACPI_BIOS_ERROR bug check with a value of 0x000000A5 indicates that the Advanced Configuration and Power Interface (ACPI) BIOS of the computer is not fully compliant with the ACPI specification.
ACPI BIOS ERROR in Windows 10
A PCI routing table (_PRT) is the ACPI BIOS object that specifies how all the PCI devices are connected to the interrupt controllers. A computer with multiple PCI buses might have multiple _PRTs.
The suggested solutions are:
2] Update BIOS
3] If you cannot obtain an updated BIOS, or the latest BIOS is still not ACPI compliant, you can turn off ACPI mode during text mode setup. To turn off ACPI mode, press the F7 key when you are prompted to install storage drivers. The system will not notify you that the F7 key was pressed, but it silently disables ACPI and enables you to continue your installation.
4] Initiate Startup Repair.
For more on this Stop Error visit Microsoft.
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