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JTG Systems
Computer Repair Experts
Looking for Computer Repair?
Blue screen, startup failure, or a workstation that won't cooperate? We get Niagara computers back online fast.
We are the highest-rated computer company in Niagara.
Same-day diagnostics and expert repairs for desktops, gaming rigs, all-in-ones, and Macs. We handle hardware failures, malware cleanups, data recovery, and performance tuning backed by 1,100+ five-star reviews and a 90-day workmanship warranty.
Same-Day DiagnosticsWindows, Mac & Gaming Systems90-Day Warranty
Walk-ins & on-site service. Bring your computer to our Niagara shop or schedule a visit—our senior technicians will diagnose it on the spot and map out the repair.
PC Won't Start? Blue Screen Error?
Trusted Computer Repair Across Niagara
Reliable computer repair in Niagara is just a phone call away. At JTG Systems we diagnose and resolve everything from virus removal,data recovery to board-level hardware failures. Our technicians combine rapid diagnostics with transparent communication so you always know the status of your system throughout Welland and the entire Niagara Region.
Whether you depend on a gaming PC, business workstation, or family laptop, we service Windows, macOS, custom builds, and small form factor systems with genuine components and a 90-day workmanship warranty. Drop by for while-you-wait diagnostics or schedule priority onsite service anywhere in Niagara.
Common fixes we handle
- Motherboard, power supply, and laptop hinge repairs
- Liquid damage cleanup and fan, keyboard, or port replacements
- Virus, malware, and ransomware removal with security hardening
- Data recovery, SSD upgrades, and tune-ups for slow systems
Service highlights
- Expert Mac and PC technicians with 20+ years of experience
- Same-day diagnostics, honest quotes, and no surprise invoices
- Walk-in, pickup, and onsite options across the Niagara Region
- Backed by more than 1,100 five-star reviews and a 90-day warranty
Hardware Repair Services
Laptop Keyboard Repair
Professional laptop keyboard replacement and repair
Laptop Jack Repair
Audio and charging jack repair services
Laptop Screen Repair
LCD and LED screen replacement services
Software & System Services
OS Installation
Windows, Mac, and Linux operating system installation
Laptop Wireless Problems
WiFi and connectivity troubleshooting
Electronics Recycling
Environmentally responsible electronics disposal
Why Choose JTG Systems for Your Computer Repair Needs?
Fast and Efficient Services:
We prioritize prompt service delivery to minimize your downtime. Our skilled technicians work efficiently to diagnose and resolve computer issues, ensuring quick turnaround times and getting your devices up and running as soon as possible.
Reliable Repairs and Customer Satisfaction:
Our focus is on providing reliable and long-lasting repairs. We use quality components and employ industry-leading techniques to ensure the longevity of our repairs. Don't just take our word for it—check out our customer reviews.
Affordable Pricing:
We offer competitive pricing for all our services, providing exceptional value for the quality of work and expertise we deliver. Contact us to get a free quote today.
Experienced Technicians:
Our team has extensive experience in the computer repair industry and can efficiently diagnose and resolve a wide range of computer issues. Trust our experienced professionals to handle your repair needs.
Our Core Computer Repair Services
Comprehensive Computer Repair
Our skilled technicians diagnose and repair a wide range of PC and laptop issues, from hardware failures to software glitches, ensuring optimal device performance. We work with all major brands and models.
Virus Removal and Security
We effectively eliminate viruses and malware, using advanced tools and techniques to detect and remove malicious software, ensuring your system remains protected and your personal data stays secure.
Data Recovery Solutions
Our specialized data recovery techniques help retrieve valuable data from various storage devices, including hard drives, SSDs, and flash drives. Whether it's accidental deletion or hardware failure, we can help.
System Maintenance
We provide comprehensive maintenance services including software updates, disk cleanup, and system optimization to keep your computer running smoothly and extend its lifespan.
Niagara's Most Trusted Computer Repair Service
Experience reliable computer repair with JTG Systems. Our expert technicians pair rapid diagnostics with proactive communication so you know exactly when your workstation, gaming rig, or business server is ready to roll.
Computer Repair Frequently Asked Questions
Do you repair both PC and Mac computers?
Yes, we repair Windows PCs, Apple Macs, laptops, desktops, and workstations. Our technicians are trained to work with every major brand and configuration.
How quickly can you repair my computer?
Most problems are resolved the same day. Simple fixes take just a few hours, while complex hardware replacements typically finish within 24-48 hours depending on parts availability.
Do you offer onsite computer repair services?
Yes. We travel across the Niagara Region for onsite repairs, maintenance, and troubleshooting when taking equipment offsite isn't practical.
What warranty do you provide on computer repairs?
All repairs are backed by our 90-day workmanship warranty, and replacement parts include manufacturer coverage. If anything related to our repair needs attention, we fix it at no extra cost.
Related Services
Data Recovery Services
Professional data recovery for hard drives, SSDs, and other storage devices
Virus Removal & Security
Complete virus and malware removal with security solutions
Desktop Computer Repair
Expert desktop PC repair and upgrade services