If its an older model, the bearings at front or back of the machine may be worn down from use. If its a newer dryer something may have got stuck in its fan or plastic skids may be broken. A technician would be able to repair either of these faults.
If its an older model, the bearings at front or back of the machine may be worn down from use. If its a newer dryer something may have got stuck in its fan or plastic skids may be broken. A technician would be able to repair either of these faults.