If this member meets the eligibility requirements according to the bylaws, then he could be elected whether or not he is nominated. What was the disqualification based on?
Minutes of board meetings are only available to board members unless your rules say otherwise or the membership adopts a motion to make them available.
The number of votes cast is used in determining a majority vote. The number of members present may affect whether there is a quorum (in this regard, also see FAQ #3).