Who should I contact if I have questions about my computer? The Desktop Support group is the first point of contact for all hardware and software issues affecting divisional computers, office and internet software as well as new and replacement computers. Business hours are Monday-Friday from 8:30 a.m.-5 p.m. Please e-mail email@example.com or call (773) 702-6085 for assistance. Offices are located at 6030 S. Ellis Avenue in Edelstone Center, Room 247. Read more about Who should I contact if I have questions about my computer?