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JTG Systems
Desktop Computer Repair Niagara
Desktop won’t boot, shuts down, or runs hot? We repair towers, all-in-ones, and workstations fast.
We are the highest-rated computer company in Niagara.
JTG Systems diagnoses power, motherboard, GPU, cooling, and storage issues for home, business, and gaming desktops. Get a free estimate, same-day turnarounds for common failures, and a 90-day workmanship warranty.
Hardware Diagnostics & UpgradesPower, Cooling & Board RepairFree Estimate • Same-Day Service
Walk-ins welcome. Bring your tower or all-in-one for a free diagnostic and same-day repair plan.
Professional Desktop PC Repair Services
JTG Systems provides expert desktop computer repair services across the Niagara region. Our Experienced Technicians specialize in Dell OptiPlex repair, HP Elite desktop service, Lenovo ThinkCentre fixes, and custom build PC repair. We understand the unique requirements of desktop systems and provide comprehensive computer repair solutions using quality components for all major brands.
Whether your PC won't start, desktop running slow, or you need component replacements, performance optimization, or cooling solutions, our team delivers fast, reliable desktop repairs backed by our 90-day warranty.
Common Desktop Issues We Fix
Identifying the problem is the first step. Here are common issues we solve daily.
Computer Won't Power On
Our technicians diagnose the exact cause through power supply testing, motherboard inspection, and component isolation.
Includes:
- No lights, fans, or startup sounds
- Power button does nothing
- Brief power lights, then shutdown
Free Diagnostic
System Crashes & Freezes
We perform comprehensive hardware diagnostics, memory testing, and drive health checks to ensure system stability.
Includes:
- Random blue screens of death
- Complete system freezes
- Programs unexpectedly closing
- System reboots without warning
Free Diagnostic
Overheating Issues
Our cooling solutions include dust removal, thermal paste reapplication, fan replacement, and cooling upgrades.
Includes:
- System shutdown during intensive tasks
- Loud fan noise
- Performance throttling
- Case feels extremely hot
Call for Quote
Storage Device Failures
We recover data from failing drives whenever possible, then replace with new high-performance storage solutions.
Includes:
- Slow boot times
- Clicking or grinding noises
- Disappearing files
- Drive not recognized
Call for Quote
Desktop Repair Reviews
Google
“Fixed my gaming PC PSU and upgraded cooling. Performance is better than ever!”
Brand-Specific Desktop Expertise
Our technicians are experienced with all major desktop brands and their unique repair challenges.
Dell
Expert diagnostics and repair for all Dell OptiPlex and Inspiron towers.
Includes:
- Diagnostic light errors
- Power supply failures
- Cooling fan issues
- BIOS corruption
- Motherboard component failures
- RAM compatibility problems
HP
Specialized service for HP Pavilion, Envy, and OMEN desktops.
Includes:
- Overheating problems
- Memory hardware errors
- Hard drive failure
- Power button malfunctions
- Video card failures
- Cooling system blockage
Lenovo
Reliable repairs for ThinkCentre, Legion, and IdeaCentre PCs.
Includes:
- POST beep errors
- Power supply issues
- Motherboard component failures
- Fan speed problems
- ThinkCentre boot issues
- Storage controller errors
Custom Builds
Troubleshooting and upgrades for gaming rigs and custom workstations.
Includes:
- Component compatibility issues
- Power distribution problems
- Inadequate cooling design
- Overclocking stability
- Cable management restrictions
- RGB controller failures
Desktop Hardware Expertise
Power Supply Units
The heart of your system's power distribution. Failure symptoms include no power, random shutdowns, electrical buzzing sounds, and burning smells.
Motherboards
The foundation connecting all components. Problems present as POST failures, component detection issues, and system instability.
Storage Devices
Your valuable data storage systems. We recover data from failing drives whenever possible before replacing with reliable, high-performance storage.
Cooling Systems
Critical for maintaining operating temperatures. Cooling failures lead to thermal throttling, random shutdowns, and component damage.
Memory (RAM)
Essential for system responsiveness. Faulty RAM causes blue screens, application crashes, and boot failures.
Comprehensive Repair Services
Professional desktop repair with transparent pricing and results we stand behind.
Hardware Services
Component Replacement
Expert hardware solutions
Includes:
- Power supply replacement
- Motherboard repair
- Graphics card installation
- RAM upgrades
- Storage expansion
Call for Quote
Performance Optimization
Speed enhancements
Includes:
- System benchmarking
- Hardware upgrades
- Cooling improvements
- Overclocking assistance
- Thermal management
Call for Quote
Cooling Solutions
Temperature management
Includes:
- Fan replacement
- Heatsink installation
- Thermal paste application
- Airflow optimization
- Liquid cooling setup
Call for Quote
Software Services
System Optimization
Performance boost
Includes:
- OS installation
- Driver updates
- Software cleanup
- Startup optimization
- Performance tuning
Call for Quote
Data Services
Information management
Includes:
- Data backup
- Data migration
- Data recovery
- System imaging
- Cloud setup
Call for Quote
Security Solutions
Protection services
Includes:
- Virus removal
- Malware cleanup
- Security software
- Firewall setup
- System hardening
Call for Quote
The JTG Systems Advantage
Desktop Expertise
Comprehensive desktop knowledge
Includes:
- Custom-built systems
- All major brands
- Gaming PCs
- Workstations
- Media centers
Quality Service
Professional repairs
Includes:
- Genuine components
- Detailed diagnostics
- Quality testing
- 90-day warranty
- Performance verification
Customer Care
Exceptional support
Includes:
- Same-day service
- Data protection
- Progress updates
- Setup assistance
- After-service support
Frequently Asked Questions
How long does repair take?
Most desktop repairs are completed same-day. Even complex issues are typically resolved within 24 hours. We prioritize quick turnaround to minimize your downtime.
Is there a warranty?
Yes, all our desktop repairs come with a 90-day warranty covering both parts and labor. If the issue recurs, we'll fix it at no additional cost.
Can you recover my data?
Yes, we offer professional data recovery services. Our success rate is over 90% for most common data loss scenarios, from mechanical failures to logical corruption.
Is it worth repairing an older PC?
Often yes! Targeted upgrades like SSDs and increased RAM can significantly improve performance for a fraction of the cost of a new system.
Get Your Desktop Computer Fixed Today
Don't let computer issues slow you down. Contact us now for fast, professional desktop repair service backed by our 90-day warranty.