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Error Code 43 on Intel® Arc™ A770 with X570-A Motherboard Despite Driver Updates

Content Type: Troubleshooting   |   Article ID: 000094292   |   Last Reviewed: 12/19/2024
Description Resolution Additional information

Environment

Operating System

Windows 11* Family
MSI X570-A Pro AMD Ryzen 3900X

Description

Error Code 43 can be caused by hardware problems or driver or settings corruption. This is usually resolved with a clean installation of the correct Graphics Driver for your system.

Resolution

Persistent Code 43 for this specific configuration can be resolved by doing the following:

  1. Check for Resizable Bar support. (Name may vary i.e: Smart Access Memory, S.A.M).
  2. Check the BIOS version of the board. X570-A does not support ReBar during the release but was added on future BIOS versions.
  3. Update BIOS to a version that supports ReBar. X570-A support for ReBar was added on BIOS version 7C37vHC Released: 2021-01-26.
  4. Update graphics drivers.

If you are not certain your board supports ReBar; contact board manufacturer for more information.

Additional information

Steps may not be applicable for different boards.

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