Featured Services

Virus / Malware Removal

Is your computer performance slowing down? You may have a virus – many times you can be infected and not know it!

Laptop Service / Repair

O’Fallon Computers services all major brands of desktop and laptops. We do everything from DC jack repairs, hard drive and RAM upgrades, and screen replacement!

Desktop Service / Repair

O’Fallon Computers repairs all major brands including Dell, HP, Lenovo, and most other major manufacturers and custom PC’s.


Custom Built Computers

We offer custom–built computers! You can have a computer designed to fit your needs whether it’s for home, gaming or business use!

Data Backup

Disaster can strike at any moment!  O’Fallon Computers can make a FULL backup of your important information and teach you how to do this on a regular basis!

Router / Network Setup

Do you have an older router? Are you ready to make your house or business wireless?  With all of the new technology, this is a must!

Onsite Services

Don’t feel like dealing with all those wires? O’Fallon Computers makes house calls! Make your appointment today!


Digital Marketing

Are you looking to take your business online?  Whether you have a home-based business or a storefront, we can help!

Need a Service you don’t see listed here?

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