They will need to open up the top and front panels of the dryer, disengage the belt from the motor and pulley, and then replace the old belt with a new one to fix the issue. As stated, your dryer ...

A dryer that suddenly won't spin can be a real nuisance, especially when you’re left with a pile of damp laundry and no quick way to dry it. The good news is that many dryer spinning problems ...