• 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

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Call a Microsoft Certified Technician - who gets it right the first time?

Comp Doc Computers — Computer Repair in Belleville and Quinte Area

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

Comp Doc Computers

  • Est. 2001

  • Locally Owned

  • Microsoft Certified

  • 2 Full-Time Staff

Comp Doc Computers' understands how frustrating it can be when your computer isn't running right. With over 30 + years of being in the computer Industry, Shawn a certified Microsoft technician has helped countless businesses and home users with their computer problems. We do free consultations over the phone, so feel free to give us a call. Discounts are given to seniors and students!

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What Our Clients Say

Community Partners

News & Updates

Designing a Future‑Proof Motherboard Setup for Power Users - Comp Doc Computers September 5, 2026

Designing a Future‑Proof Motherboard Setup for Power Users

Discover the essential steps to select, configure, and debug a motherboard that stays ahead of 2026’s tech trends, ensuring peak performance for power‑user workloads.

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Troubleshooting Video Card Issues: A Power‑User’s Step‑by‑Step Playbook - Comp Doc Computers September 5, 2026

Troubleshooting Video Card Issues: A Power‑User’s Step‑by‑Step Playbook

A power‑user’s comprehensive guide to diagnosing and fixing video card issues, covering drivers, power delivery, cooling, BIOS updates, and future‑proofing strategies.

Read more
Why Modern Malware Demands a Power‑User’s Strategic Defense - Comp Doc Computers September 5, 2026

Why Modern Malware Demands a Power‑User’s Strategic Defense

A deep dive into today’s sophisticated malware landscape, offering power‑users practical AI‑enhanced defenses, patch‑management tips, and resilient backup strategies.

Read more

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