Rock Island, Tennessee
Professional computer repair, networking solutions, and hardware sales — trusted by homes and businesses across White County.
Get in TouchWho We Are
Why Cornerstone?
Cornerstone Computers is a locally owned and operated technology company serving homes and businesses in Sparta and throughout White County, Tennessee.
We specialize in computer sales, repairs, and comprehensive networking solutions. Whether you need a new system built to your specifications, a virus removed, or a full office network installed, we have the knowledge and experience to get the job done right.
We believe in straightforward communication, honest assessments, and work you can stand behind — no upsells, no jargon, just solid solutions.
Serving residential and commercial clients — from single home users to multi-location business networks.
What We Do
From a single desktop repair to a full business network build-out, we offer a complete range of technology services.
Diagnostics, hardware replacement, OS reinstalls, virus & malware removal, and data recovery for laptops and desktops.
Wired and wireless network installation, configuration, and troubleshooting for homes, small offices, and multi-site businesses.
Custom-built desktop PCs tailored to your needs and budget. RAM, SSD, and component upgrades to breathe new life into older machines.
Computers, laptops, peripherals, networking equipment, and components available in-store and by special order.
Firewall setup, antivirus solutions, and automated backup systems to protect your data and keep your business running.
Ongoing support plans for small businesses — we become your trusted IT partner so you can focus on what you do best.
Get In Touch
Ready to get started or have a question? Reach out — we're happy to help.