| Details | |
| Product: | Windows Operating System |
| Event ID: | 5 |
| Source: | Acpi |
| Version: | 5.2 |
| Symbolic Name: | ACPI_ERR_AMLI_ILLEGAL_IO_WRITE_FATAL |
| Message: | %2: ACPI BIOS is attempting to write to an illegal IO port address (%3), which lies in the %4 protected address range. This could lead to system instability. Please contact your system vendor for technical assistance. |
| Explanation | |
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The system BIOS attempted to incorrectly access hardware resources concurrently with the operating system. This type of access cannot be synchronized and can cause system instability. |
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| User Action | |
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Contact the system vendor for an updated BIOS and follow the vendor’s instructions for installation. |
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