405 Computer Services is a mobile and remote computer repair maintenance company servicing Orange County since 2001. Owner, Mark Oster has a BSIT (Information Technology) and is both Dell and Microsoft Certified. We specialize in installations, diagnosis and repair of workstations, servers and laptop computers. We repair all types of computer problems. If you’re having issues with upgrades, your computer is running slow or even if it won’t start. We can help!

We perform virus removal, spyware removal, wireless networks, ip camera set-up, upgrades, broadband or cable installation, computer setup and transfer, digital surveillance services and much more! 405 Computer Services offers a call-out service for computer support to make it easier and more convenient to you. Whether it is at home or in your small business, 405 Computer Services diagnosis and cure can solve most computer problems on-site, usually within the hour. So why not check out what we have to offer you?

If you don’t see the service you require, please call us. I offer a free quote for any PC work. I will analyze the computer system, and get back to you with a quote of the work that is needed… plus, I will explain it all in plain English!

100% 405 Computer Services Guarantee

  • Free Advice
  • No Fix – No Fee!
  • Customer Satisfaction
  • Prompt Service
  • Full Client Data Confidentiality

405 Computer Services Clients Include:

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