Computer Sales and Service, Data Recovery, New and Used Saint Louis Upgrade from Windows 10 to Windows 11 Migrations

Dimension Computer – St. Louis PC Experts

28 Years of Serving Businesses & Home Users
Dimension Computer sells, services, and custom-builds desktops and laptops for every need and budget. We also offer off-lease equipment and complete PC customization.


Onsite & Remote IT Support

We provide onsite networking and IT services for small businesses and home users across the St. Louis area. Think of us as your local IT department—ready when you need us.

No time to visit? Call (636) 527-9660 and we’ll come to you! We also offer remote support, so we can optimize performance, remove viruses, and troubleshoot issues while you stay at home or in the office.


In-Store Services

Drop off your computer at our Ballwin location for fast, affordable service. We handle:

  • Virus, spyware, and malware removal

  • Data recovery

  • PC repairs and general emergencies

Location: 14560 Manchester Road, Ballwin, MO (At Winchester Plaza with School of Rock)
Hours: Mon–Fri 9 AM–5 PM | Sat 10 AM–2 PM


Why Choose Us?

  • 28 years of experience in PC sales, service, and custom builds

  • Microsoft Certified Partner

  • Partners: Intel, AMD, Nvidia, Seagate, Western Digital, Crucial, Samsung

  • Antivirus solutions: Bitdefender, ESET, McAfee, AVG, Malwarebytes

We proudly serve Ballwin and the St. Louis Metro area, including St. Charles, Chesterfield, Clayton, Creve Coeur, Manchester, Ellisville, Town and Country, and nearby Illinois.

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