( 636) 980-6472 [email protected]

Featured Services

O’Fallon computers offers a wide variety of services, if you are not seeing the service you are looking for please contact us so that we can better assist you!

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Virus Removal

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

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!

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


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!

Malware Removal

Are you getting excessive amounts of pop-ups on your system, has your home page been set to something else, are unwanted programs installed on your computer without your consent? You may have a Malware infection!

Looking for something specific, please feel free to contact us