• 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
Call a Microsoft Certified Technician - who gets it right the first time?
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Comp Doc Computers — Computer Repair in Belleville and Quinte Area

Our Services

Comp Doc Computers Computer Repair

Computer Repair

In your home or office, or here in our shop, our service is fast, affordable, thorough and friendly!
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Comp Doc Computers Backup & Data Recovery

Backup & Data Recovery

Your data is our first priority. We promise to do everything we can to protect your data.
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Comp Doc Computers Spyware & Virus Removal

Spyware & Virus Removal

Spyware, malware and virus removal with tools that remain on your machine so that you can run them and keep your computer safe.
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Comp Doc Computers Laptop Repair

Laptop Repair

We repair all laptop hardware and software issues. Call us for a free consultation.
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Comp Doc Computers PC Upgrades

PC Upgrades

We can upgrade your laptop or computer.
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Comp Doc Computers Software Upgrades

Software Upgrades

Do you need new software installed? Existing software removed or upgraded?
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Comp Doc Computers Wireless Installations

Wireless Installations

We can install and setup your wireless network for home or office!
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Comp Doc Computers Screen Replacement

Screen Replacement

We do Laptop Screen Replacement or Repair.
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Comp Doc Computers Printer Setup

Printer Setup

Comp Doc Computers has you covered from printer setups, to Wi-Fi printers and scanners.
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Comp Doc Computers Computer Tune-Up

Computer Tune-Up

Do you long for the days when your computer had that get up and go as it ran lightning fast?
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Comp Doc Computers New PC Setup

New PC Setup

Your new computer just arrived and you're excited to get to work. Now what?
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Comp Doc Computers Batteries & Adapters

Batteries & Adapters

Laptop battery or adapter worn out, or not holding a charge.
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Comp Doc Computers Migration Service

Migration Service

We make upgrading simple by safely moving your files, settings, and programs from your old device to your new one—completely stress-free.
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Comp Doc Computers Operating System Re-Install

Operating System Re-Install

Give your computer a clean slate with a fresh OS installation that eliminates major glitches, boosts performance, and restores peak speed.
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Comp Doc Computers Hardware & Software Installation

Hardware & Software Installation

We expertly install your new hardware and software, ensuring perfect compatibility and seamless performance from the start.
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Comp Doc Computers Motherboard Replacement & Repair

Motherboard Replacement & Repair

We handle precise motherboard repairs and replacements, delivering advanced board-level fixes to bring your device back to life.
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Comp Doc Computers Slow Running Computer?

Slow Running Computer?

We identify and resolve performance bottlenecks to make your computer faster, smoother, and more responsive.
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Comp Doc Computers Blue Screen Error

Blue Screen Error

We diagnose and fix blue screen crashes at the source to restore total stability and reliability to your system.
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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

Comp Doc Computers Client Anne Charsley
"Shawn is simply the best! He gets the job done for me every time and he explains it so I understand!"

Anne Charsley

Retired
Comp Doc Computers Client Robert O'Coin
"Just a shout out to Shawn. Thank you for your quick and speedy recovery of my iPad mini 4. Fast, quick and reasonable wo..."

Robert O'Coin

Retired
Comp Doc Computers Client Sheila H
"Awesome man! Would recommend 10/10. Helped with my families computers. Couldnt ask for a nicer guy!"

Sheila H
Comp Doc Computers Client Rebecca Bates
"Shawn at Comp Doc Computers was very helpful and knowledgeable. He was calming and worked hard and quickly to assist me..."

Rebecca Bates
Comp Doc Computers Client Sue McErlain
"Great experience. I dreaded buying a badly needed new laptop and getting it set up including transferring files, downloa..."

Sue McErlain
Comp Doc Computers Client Shanin
"Shawn was flexible and willing to work with me to try to find a resolution for my hard drive issue. He was knowledgeable..."

Shanin

Local Guide
Comp Doc Computers Client Tina Little
"Dealing with Shawn was a pleasure. He turned a bad day into a good one. Thank you for your expertise with my computer it..."

Tina Little
Comp Doc Computers Client Patty Cleveland
"We first had call-a-*** come in to fix our two desktops, but he made the PC's worst, that we couldn't even use them. So..."

Patty Cleveland

WT Hawkins Factory
Comp Doc Computers Client Kim McLary
"My daughter's computer was hacked a few nights ago. She was freaking out. Exams are coming up very soon. She was in the..."

Kim McLary

Owner, Goody's Pizzeria
Comp Doc Computers Client Margaret Donovan
"Shawn fixed my computer and made a backup of my data so I wouldn't run into this issue again! He saved me from disaster..."

Margaret Donovan

Loyalist College

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.

Read more
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

Brands We Support

Stay Informed

Stay up to date on upcoming promotions and discounts we offer and save on computer repair and maintenance.

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!
Get a Free Quote

Extra Links

Services

Contact Us

  • Belleville, Ontario
  • 613-438-8127
  • Mon - Sat 9.00 am - 5.00 pm Sunday CLOSED
Send us an email and we will get in touch shortly

Service Areas

  • Belleville Computer Repair
  • Trenton Computer Repair
  • Quinte Computer Repair
  • Shannonville Computer Repair
  • Picton Computer Repair
View Service Areas
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