Sydney
Computer Repairs & Upgrades

          Don’t let your computer troubles get you down. Our friendly service is here to help you with any problem you have, no matter how big or small it may be. From problems with your home email to recovering your business systems, we can handle any problem you may have.


          Employ our experience in computer repair and upgrades to get the most out of your personal computer. We make it simple and hassle-free for you to get back to work. Here are some of the repairs and upgrades services that we offer:

computer service engineer

  • Maintenance of Windows and Mac operating systems
  • Upgrade of the operating memory, storage, and processor
  • Diagnosis and replacement of faulty hardware parts
  • Installation and troubleshooting of peripheral devices
  • Removal of viruses and malware from operating system
  • Setup and repair of network and Internet connection


          If you’re interested in using the latest operating system or a new piece of hardware, such as a new graphics card, we can also perform the upgrades for you. We can provide you with the best parts and software to make your computer programs run more smoothly. Our experts are always on call to help you get what you need to build a better computer system.


Why not trust your computer repair to someone else?

girl servicing computer

We are confident in our skills. There hasn’t yet been a problem that we haven’t been able to take care of. But if we can’t find a solution to your problem, or our upgrades don’t stick, we won’t charge you for the time. We also guarantee all of our computer repairs and upgrades for a period of three months.


The service provided was exceptional – friendly, fast and of high quality. I already have and will continue to recommend Alex and Green Byte to others.
Great customer service, and the problem solving to fix my problem for the best price, giving options to suit our budget , awesome keep up the good work and stay honest we all need someone we can trust…
Great Efficient service
We were very impressed with Alex. He was knowledgeable, helpful, efficient and did our work within the time-frame and price quoted. Wouldn’t hesitate to call him again.
Green Byte’s service and the quality of work performed time and time again can’t be faulted. Punctual, courteous and no fuss. Hand them a problem and that problem goes away. Great job guys, keep up th…
I was impressed with the quick service: at a time when I needed my laptop to continue with my work, Alex had it up and running again within 24 hours. The at-home service was very handy too.
I chose Green Byte, because their website made their costs very clear right from the start. I was delighted when I rang and was told that they would be at my house in an hour. I think Alexander got th…
The computer service was very helpful as was your efficient and businesslike attitude. We very much appreciated having a knowledgeable expert come to out home to help with our computer issues.
I was very happy with your service. You picked up my laptops and returned them as per the promise timeline. Happy that you successfully re-imagined my old hard drive to new laptop hard drive apart fo…
After some less than successful attempts to find a reliable home office computer expert, we finally found it in Green Byte. Alex answers all our online queries calls promptly and is equally prompt in…
I found Green Byte on Google and within 45 minutes my laptop was in the professional hands of Alex. He took care of the issue very quickly and saved me time and money. His availability and professiona…
I am not very computer savvy BUT I am aware of quality service and professionalism. Alex arrives on time, works quietly and efficiently and the computer problem is solved. He also gives good advice a…
Alex was prompt in his response, professional in his approach and extremely patient in explaining necessary “how to” details clearly. A much appreciated great service!
Alex, I cannot say enough good things about you. It would be easier to type the bad things, and in that case I would not be typing anything. You are professional at all times, you always fix the prob…
I appreciated your responsiveness to the issue and the quick implementation of a solution.
Thanks for your prompt and professional service Alex – Will certainly recommend!
Excellent service. Arrived at time promised and computer problem solved. It is much more convenient to have a technician call at the office than to send a laptop away for repair. I will be using Gr…
Fantastic service!!! Great price, prompt, professional and polite. Alex done a great a job on some damaged data storage devices for me. I called many different places, all charged at least two time…
Thanks for doing such a thorough job.
The service from Alex was fabulous. To have prompt, efficient service out of weekday business hours was very reassuring.
Alex/Green Byte is a great company run with integrity, timeliness and professionalism that regularly delivers more than promised. Always a delight to work with, we can confidently recommend Green Byte…
Alexander was very prompt in diagnosing the problem with my laptop and providing sound advice in regard to my options. I would use him again and recommend to others.
Thank you Alex for coming so promptly. My computer is running really well and I will not hesitate to call you again if anything goes wrong, Christine
Alex was on time and solved my computer problems and also did some work to make my computer work better. I was 100% happy with the service and would definitely recommend Alex to others need computer a…
Thank you Alex for your support. Your service was efficient and effective resolving my computer woes in no time.

          Call us now to receive a free no-obligation quote for our services, without the worry of any hidden fees. There’s no fine print, or tricks; the price we state is the price you pay. We’re determined to help you with all of your computer repairs and upgrades, through our fast and affordable services. You won’t find this level of professionalism anywhere else.

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Green Byte Computer Repairs