Chicago IT Support

At GCS we pride ourselves on our outstanding technical support team. We have decades of experience helping our clients remotely and onsite. We’re known for our quick, reliable service and we will have your business back up and running in no time. No matter if you have a technical issue, troubleshooting a problem, have a software glitch or just have a computer or network concern, we are ready to help you. We provide both online and offline computer support depending on the type of problem.

We provide high-quality, cost-effective technical solutions, products and services including:IT-support-plans

  • Network Infrastructure Management & Support
  • Local and Wide Area Network Design and Implementation
  • Network Installation and Redesign Services
  • Network security audit & configuration
  • Virtual Private Network (VPN) Setup
  • Internet Security setup and troubleshooting
  • Intrusion Detection & Network Monitoring
  • Server Management and Administration support
  • Wireless and WiFi Network Setup & Troubleshooting
  • Wired (CAT-5e, CAT-6, Fiber Optic) Network Setup
  • PC, laptop, MAC, server and hardware repairs
  • DNS, Domain, File, Print, Web, E-Mail, Database, and Application Servers
  • Windows, Mac, Linux, Unix, Server and Desktop installation and support
  • Network Card Troubleshooting/Replacement
  • Spam and Virus Filtering
  • Email Setup & Troubleshooting POP/SMTP/IMAP
  • TCP/IP Protocol Conflict and Configuration Issues
  • Firewall Installation and Configuration
  • Remote diagnosis, repair, and consulting services
  • DHCP and DNS Troubleshooting
  • Hardware sharing such as Printers, Scanners and drives
  • Relocate existing phone and desktop locations
  • Data and File sharing
  • Data security and backup
  • Internet Connection Troubleshooting
  • Slow internet and performance troubleshooting
  • Ethernet, Fiber Optic and Phone Cabling Services (Cat3, Cat5, Cat5e, Cat6, coax, analog, etc.)
  • Voice Over IP VOIP Setup and Troubleshooting
  • Virus protection and removal
  • Security Camera Installations
  • Configuring Smartphones, Smart TV’s, tables and laptops.
  • Emergency Network Support
  • IT Support Services including per-incident, hourly and contracted maintenance