Summary
Troubleshooting steps for Code 43 on A770 Cards with X570-A boards.
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:
- Check for Resizable Bar support. (Name may vary i.e: Smart Access Memory, S.A.M).
- Check the BIOS version of the board. X570-A does not support ReBar during the release but was added on future BIOS versions.
- Update BIOS to a version that supports ReBar. X570-A support for ReBar was added on BIOS version 7C37vHC Released: 2021-01-26.
- 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.