• 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?
Contact US Today

Comp Doc Computers — Computer Repair in Belleville and Quinte Area

Our Services

Computer Repair

Computer Repair

In your home or office, or here in our shop, our service is fast, affordable, thorough and friendly!
Find out more...
Backup & Data Recovery

Backup & Data Recovery

Your data is our first priority. We promise to do everything we can to protect your data.
Find out more...
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.
Find out more...
Laptop Repair

Laptop Repair

We repair all laptop hardware and software issues. Call us for a free consultation.
Find out more...
PC Upgrades

PC Upgrades

We can upgrade your laptop or computer.
Find out more...
Software Upgrades

Software Upgrades

Do you need new software installed? Existing software removed or upgraded?
Find out more...
Wireless Installations

Wireless Installations

We can install and setup your wireless network for home or office!
Find out more...
Screen Replacement

Screen Replacement

We do Laptop Screen Replacement or Repair.
Find out more...
Printer Setup

Printer Setup

Comp Doc Computers has you covered from printer setups, to Wi-Fi printers and scanners.
Find out more...
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?
Find out more...
New PC Setup

New PC Setup

Your new computer just arrived and you're excited to get to work. Now what?
Find out more...
Batteries & Adapters

Batteries & Adapters

Laptop battery or adapter worn out, or not holding a charge.
Find out more...

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 Ad

  • 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!

Request a Free Quote

captcha

What Our Clients Say

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

Sheila H
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
Sue McErlain
"Great experience. I dreaded buying a badly needed new laptop and getting it set up including transferring files, downloa..."

Sue McErlain
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
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
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
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
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
Steve Bairstow
"We run high diagnostics on performance motorcycles, and we needed Shawn to upgrade and install the software needed on ou..."

Steve Bairstow

Mechanic

Community Partners

News & Updates

Why Smart Hardware Is the Game‑Changer for Modern PC Builds July 19, 2026

Why Smart Hardware Is the Game‑Changer for Modern PC Builds

Explore how intelligent components—from AI‑enhanced motherboards to self‑optimizing memory—are transforming the PC building experience in 2026.

Read more
Why Your GPU Keeps Crashing and How to Fix It July 19, 2026

Why Your GPU Keeps Crashing and How to Fix It

A hands‑on guide from Shawn DesRochers that walks you through power, driver, thermal, and RMA steps to solve GPU crashes quickly.

Read more
The Invisible Battle: How AI, Quantum Tech, and Self‑Optimizing Hardware Are Redefining Computer Security July 19, 2026

The Invisible Battle: How AI, Quantum Tech, and Self‑Optimizing Hardware Are Redefining Computer Security

In 2026, AI, quantum encryption, and intelligent hardware are changing the security game. Learn the latest threats, defenses, and actionable strategies to stay ahead.

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
Copyright © 2001-2026 Comp Doc Computers LLC, Design By US