Clear the CMOS battery for 30 minutes. Reboot the system and in the BIOS setup utility, press <F9> to restore BIOS to defaults. Proceed with a BIOS recovery test. Latest BIOS version can be downloaded from the following web site:
Instructions can be found at this link:
Ensure you have followed a clean installation of the Operating System using the latest drivers from our website.
If the issue persists, replace the motherboards under warranty.