Computer Network Support in Chicago

Computer Networking comprise of network of computers for your business through hardware, software, and other devices. The effectiveness with which this IT network functions is the goal of any business network service.

GCS is a Chicago based Business Network installation company specializing in providing Computer Network services and IT Support.  We are Microsoft Gold Certified partner and a Microsoft Certified partner since 1996.

We provide range of Business networking services that involve networking design, IT consultations, implementation, and network maintenance services. We also provide Ethernet, fiber, and wireless services, computer sales, network cabling, technical support and a host of other managed IT services including:

  • Local and Wide Area Network Design and Implementationcomputer-networking
  • Network Installation and Redesign Services
  • Network Infrastructure Management & Support
  • Virtual Private Network (VPN) Setup
  • Internet Security setup and troubleshooting
  • Intrusion Detection & Network Monitoring
  • Internet Connection Troubleshooting
  • Network Card Troubleshooting/Replacement
  • Wired (CAT-5e, CAT-6, Fiber Optic) Network Setup
  • Wireless and WiFi Network Setup & Troubleshooting
  • PC, laptop, MAC, server and hardware repairs
  • Windows, Mac, Linux, Unix, Server and Desktop installation and support
  • Network security audit & configuration
  • Ethernet, Fiber Optic and Phone Cabling Services (Cat3, Cat5, Cat5e, Cat6, coax, analog, etc.)
  • Email Setup & Troubleshooting POP/SMTP/IMAP
  • Spam and Virus Filtering
  • Firewall Installation and Configuration
  • DNS, Domain, File, Print, Web, E-Mail, Database, and Application Servers
  • 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
  • TCP/IP Protocol Conflict and Configuration Issues
  • Slow internet and performance troubleshooting
  • Server Management and Administration support
  • 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
  • Remote diagnosis, repair, and consulting services
  • IT Support Services including per-incident, hourly and contracted maintenance