We Pride Ourselves On Service, Value And Excellence.. Computer Equipment--Repairs, Service & Upgrades - Tumbi Umbi, NSW . Service: Backups, Diagnostics, Upgrades, Virus Removal. Specialty: Networking. Equipment: Networks, Servers. Service Option: Onsite Services. Network: Internet. Hours of Operation: Flexible Hours, Open Late, Open Monday - Friday. Payment Method: Cash, EFT