• Comp Doc Computers Serving Belleville & Quinte Region Since 2001
  • Comp Doc Computers
  • Belleville, Ontario
  • 613-438-8127
  • sales@CompDocComputers.com
  • Mon - Sat 9.00 am - 5.00 pm
  • Sunday CLOSED

Computer Repair in Belleville & the Quinte Surrounding Areas

Local Computer Help Since 2001

When your computer isn't working, you need someone who knows what they're doing and you need help without the runaround.

Comp Doc Computers has been helping home users and businesses with computer problems since 2001. With 30+ years of industry experience and Microsoft-certified service, we're here to help with everything from computer and laptop repairs to virus removal, data recovery, networking, upgrades, and new computer setup.

Home. Office. Small Business. Larger Business.

We provide practical computer support with flat-rate pricing, a 90-day money-back guarantee, free phone consultations, and discounts for seniors and students.

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Belleville Computer Repair - Fast and Reliable Services

Our Services

Why People Choose US

Microsoft Certified

We are Microsoft Certified so you can rest easy that the job will be done correctly.

100% Guarantee

All work performed comes with a 90 Day money back guarantee.

Flat Rates

We charge flat rates saving you money!

Fast & Reliable

Our work is fast and reliable as we know you need to get back to things that matter.

Payment Options

We offer flexible payment options that make it easier for you!

Customer Satisfaction

Our goal is to provide the best possible service every time.

About Us

At Comp Doc Computers, we understand how frustrating it is when your technology lets you down. With more than 30 years of industry experience, Shawn-a certified Microsoft technician-has provided trusted IT solutions to countless local businesses and home users. We offer free over-the-phone consultations, so please feel free to give us a call today. Plus, we are proud to offer special discounts for seniors and students!

Comp Doc Computers

  • Est. 2001

  • Locally Owned

  • Microsoft Certified

  • 2 Full-Time Staff

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News & Updates

Automatic Repair Screen on a Laptop or Computer: What It Means and What to Do - Comp Doc Computers September 30, 2026

Automatic Repair Screen on a Laptop or Computer: What It Means and What to Do

If your laptop or desktop computer suddenly displays “Preparing Automatic Repair,” “Diagnosing your PC,” or “Automatic Repair couldn’t repair your PC,” it can be alarming. You may wonder whether your computer has lost your files or whether the hard drive has failed. The good news is that seeing the Automatic Repair screen does not automatically mean your computer is permanently damaged.

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OEM vs Compatible Ink Cartridges: Why OEM Ink May Be Worth the Extra Cost - Comp Doc Computers September 28, 2026

OEM vs Compatible Ink Cartridges: Why OEM Ink May Be Worth the Extra Cost

When your printer needs a new ink cartridge, you will usually see two choices: an OEM cartridge made by the printer manufacturer or a compatible cartridge made by a third-party company. Compatible cartridges can be less expensive, but the lowest price does not necessarily make them the best choice for your printer.

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Why Encryption Matters to Every Power User - Comp Doc Computers September 28, 2026

Why Encryption Matters to Every Power User

Explore how power users can master encryption, balance speed, manage keys, and stay ahead of emerging threats in a practical, future‑ready guide.

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