What I would first look for would be possible scorch marks or discolouration on the board itself another thought would be to look for other physcial damage like crack or fractures near the USB connection.

Is there another word for synonym ?
adequation, agreement, alikeness, compatibility, conformity, correlation, correspondence, equality, evenness, exchangeability, identity, interchangeability, interchangeableness, likeness, match, par, parallel, parity, similarity, synonymy