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JTG Systems
Hardware Repair Experts
Looking for Hardware Repair?
Broken screen, dead PSU, or sluggish hardware? We restore every device quickly with premium parts.
We are the highest-rated computer company in Niagara.
JTG Systems provides same-day diagnostics, component-level repairs, and performance upgrades for desktops, laptops, phones, gaming rigs, and tablets. Enjoy transparent pricing, free diagnostics, and a 90-day workmanship warranty backed by 20+ years serving Niagara.
Same-Day DiagnosticsAll Device Types90-Day Warranty
Walk-ins & onsite visits. Drop your device off in Niagara or schedule onsite service—our expert hardware technicians start right away.
Niagara’s Hardware Repair Hub
Whether it’s a workstation that won’t power on, a gaming laptop overheating, or a smartphone with a shattered display, JTG Systems handles it all. We combine clean-room diagnostics, OEM-grade parts, and expert technicians to restore desktops, laptops, mobile devices, and peripherals across the Niagara Region.
From homes and home offices to corporate IT fleets, we offer emergency repairs, scheduled maintenance, and upgrade roadmaps. Every job starts with a free diagnostic and ends with a 90-day workmanship warranty—backed by 1,100+ five-star reviews.
What we deliver
- Expert hardware technicians for Dell, HP, Lenovo, Apple, custom rigs, and more
- Free diagnostics with transparent estimates before any repair begins
- Fast turnaround with same-day options for critical devices and business downtime
20+ Years of Expertise
Thousands of successful repairs across desktops, laptops, mobile devices, and gaming systems.
Same-Day Options
Emergency repairs available to minimize downtime for homes and businesses.
Transparent Pricing
Free diagnostics and clear repair options so you can decide before we begin work.
Warranty Coverage
Every repair includes our 90-day workmanship warranty and support for any follow-up questions.
Hardware Services We Offer
Desktop Computer Repair
Complete desktop PC repair services. From power supply failures to motherboard replacements, we fix it all.
Common Issues
- Power supply repair
- Motherboard replacement
- Graphics card issues
- Overheating fixes
Turnaround: Same DayPricing: Call for Quote
Learn MoreLaptop Repair Services
Expert laptop repairs for all brands. Screen replacements, keyboard fixes, hinge repairs, and more.
Common Issues
- Screen replacement
- Keyboard repair
- Hinge fixes
- Battery replacement
Turnaround: 1-2 DaysPricing: Call for Quote
Learn MoreGaming PC Repair
Specialized gaming computer repairs and upgrades. Performance optimization for the ultimate gaming experience.
Common Issues
- GPU upgrades
- Cooling solutions
- Performance tuning
- RGB troubleshooting
Turnaround: 1-2 DaysPricing: Call for Quote
Learn MoreMacBook & iMac Repair
Expert Apple repair services. MacBook Pro, MacBook Air, iMac, and Mac Mini hardware repairs.
Common Issues
- Logic board repair
- SSD upgrades
- Display replacement
- Thermal management
Turnaround: 2-3 DaysPricing: Call for Quote
Learn MorePhone & Tablet Repair
Fast repairs for iPhones, iPads, Samsung, and other mobile devices. Screens, batteries, and more.
Common Issues
- Screen replacement
- Battery swap
- Charging port
- Speaker repair
Turnaround: Same DayPricing: Call for Quote
Learn MoreComponent Upgrades
Enhance your system with SSDs, RAM, GPUs, and cooling upgrades professionally installed.
Common Issues
- SSD & RAM upgrades
- GPU installation
- Cooling enhancements
- Cable management
Turnaround: 1-3 DaysPricing: Call for Quote
Learn MoreFrom Intake to Delivery
1
Diagnostics
Free diagnostics to pinpoint the issue and provide a transparent quote before work begins.
2
Repair
Component-level repairs or replacements performed by expert technicians using quality parts.
3
Quality Check
Every device passes stress tests and performance checks to confirm the repair.
4
Return
Pick up at our Niagara shop or request onsite completion. Includes 90-day warranty coverage.
Why Niagara Chooses JTG Systems
Transparent Pricing
Upfront quotes with no hidden fees. We explain every option before we start.
Rapid Turnaround
Same-day service on critical repairs and fast follow-up when parts are required.
Expert Technicians
Experienced with all major brands, from Dell and HP to Lenovo, Apple, and custom rigs.
Quality Components
OEM or premium replacement parts installed to manufacturer standards.
Proactive Support
Maintenance plans and upgrade roadmaps keep your devices running longer.
Dedicated Care
Full updates throughout every repair and support after your device is back in action.
Ready to Restore Your Hardware?
Contact JTG Systems for a free diagnostic and fast repair plan. From desktops and laptops to mobile devices and peripherals, we get you back up and running quickly.