Computer Repairs Sydney

Professional Desktop Computer Repairs & Diagnostics

Desktop computer repair workstation at Tech Junction's Maroubra computer repair centre in Sydney NSW

Tech Junction provides professional desktop computer repairs and diagnostics for home users, students, gamers, offices, and small businesses across Sydney.

If your computer is not turning on, running slow, overheating, crashing, freezing, showing blue screens, or failing to boot into Windows, our technicians can inspect and diagnose the issue from our Maroubra repair centre.

We repair and diagnose:

  • Desktop computers
  • Gaming PCs
  • Office computers
  • Business systems
  • Custom-built PCs
  • Small form factor PCs
  • Workstations

Common Computer Issues We Diagnose

  • No power
  • No display
  • Slow performance
  • Windows boot problems
  • Blue screen errors
  • Freezing or crashing
  • Overheating
  • Loud fan noise
  • Power supply faults
  • Motherboard faults
  • RAM and memory issues
  • SSD and hard drive faults
  • Graphics card faults
  • Internet and network issues
  • Driver and Windows update problems
  • General hardware diagnostics

Advanced Computer Diagnostics

Digital microscope used for motherboard diagnostics and component-level computer repairs at Tech Junction Maroubra Sydney

Our workshop uses specialised diagnostic equipment including digital inspection microscopes, hardware testing tools, stress testing software, and fault-finding equipment to accurately diagnose computer hardware issues.

By identifying the root cause of a fault before replacing components, we help customers avoid unnecessary costs and ensure repairs are completed correctly and reliably.

In-Store Computer Repairs

Visit our Maroubra repair centre for desktop computer diagnostics, repairs, servicing, upgrades, performance optimisation, and troubleshooting.

In-Store Pricing

  • Initial Assessment & Diagnostics: Free
  • Labour Rate: $89 per hour

Local Computer Repair Workshop

Tech Junction operates a professional computer repair workshop and service centre in Maroubra, NSW, proudly supporting customers across Sydney since 2006.

We repair and service desktop computers, laptops, gaming PCs, workstations, office computers, and custom-built systems for both home and business users. Our technicians also provide hardware upgrades, preventative maintenance, data recovery, performance optimisation, virus and malware removal, operating system troubleshooting, and custom PC builds.

All computer repairs, servicing, upgrades, and diagnostics are carried out by experienced technicians with a strong focus on accurate fault finding, honest advice, quality workmanship, reliable repairs, and practical long-term solutions.

Our commitment to customer service and technical excellence has been recognised by the local community, with Tech Junction proudly named a 2026 Finalist – Outstanding Service & Trade in the Randwick City Local Business Awards.

Whether you need a quick repair, a major hardware upgrade, or expert technical advice, our Maroubra workshop is here to help with friendly, professional service you can rely on.

Visit Us

Tech Junction
29 Lexington Place, Maroubra NSW 2035

Business Hours

Monday to Friday: 10:00 AM – 5:00 PM

Phone: 02-9052 6490