AMD Investigating USB Issues in 500-Series Motherboards AMD Investigating USB Issues in 500-Series Motherboards By Joel Hruska on February 23, 2021 at 6:51 am This site may earn affiliate commissions from the links on this page. Terms of use. AMD has launched an investigation into reports of USB problems in its 500-series motherboards and is asking affected users to sound off on the problem. It’s also invited users to contact it directly by opening a support ticket. The company says it’s engaged in root cause analysis and that some users who post information in the appropriate Reddit thread may be contacted later to provide additional details.