A hinge assembly for use with a notebook computer includes a pintle, a first coupling member, a supporting member, and a biasing device. The first coupling member is pivotally installed on the pintle and includes a connecting portion, a pivotal portion into which the pintle is adapted to insert, a bend extending from the connecting portion, and the bend including an arm formed thereof. The supporting member is pivotally installed on the pintle and includes a hole into which the arm is adapted to insert into. The biasing device is pivotally installed on the pintle and disposed between the pivotal portion and the supporting member, and wherein the biasing device urges the supporting member on the arm.