Striker McQuoid this week made his loan move from Bournemouth a permanent switch but he is cup-tied after scoring a hat-trick for the Cherries against Tranmere in the first round.
Dunne serves the final game of a three-match ban following his recent red card against Leicester.
Skipper Paul Robinson is set to return to the back four having proved his fitness with a substitute appearance against Derby on Monday following a hamstring injury.
Fellow centre-half Danny Shittu has also been out with a hamstring problem and will be checked over.
Forward Shaun Batt remains a long-term absentee with a cruciate injury.
Source: PA
Source: PA