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.


Alex from GreenByte was great, he was quick with a quote for the part. He came and picked up the laptop from my work, and in a day he returned the laptop fixed, and explained the work he had done. …
I think you supply excellent service and you are always prompt at returning calls. I would use no one else and I tell all those I know about you.
Service provided was above and beyond expectations. Very much a perfectionist when it comes to the work provided. I am impressed with the outcome of what was asked. Thank you.
I have found Alex very helpful and trustworthy.It has been some time since I last called on his expertise. I am assuming that it is because he did such a fantastic job the last time he called in I hav…
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 prompt in his response, professional in his approach and extremely patient in explaining necessary “how to” details clearly. A much appreciated great service!
I appreciated your responsiveness to the issue and the quick implementation of a solution.
Loved the way Alex got my mac book problem sorted quickly !! (corrupted email and hard disk) Very well priced – great service – knows what he is doing
The service was very good thank you. Collection of my laptop was much appreciated, and all is working fine with the new screen. very fast turn around also appreciated !
Thanks for doing such a thorough job.
The repair was always 100% satisfactory and the reasons were explained, this of course improved my computer skills. Always prompt service and very punctual.
Many thanks for your sorting out our laptop. You have provided a very professional service and we’ll certainly look you up next time we need help.
GREEN BYTE PROVIDED EXCELLENT ADVICE AND WORKMANSHIP WHEN NEEDED RECENTLY ON TWO OCCASIONS AND CAN BE THOROUGHLY RECOMMENDED FOR ITS FIRST-RATE SERVICE.
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.
Really efficient service. Reliable and sorted our problem.
It’s been great to know I have some IT assistance when we have problems, or require some assistance that can be called upon to help. The previous works have been quick response, and have resolved pr…
I have used Green Byte and Alex for some 2 years and I have found his quick responses to fix problems at home or on line very professional and his knowledge of all things computers amazing!!!
I was more than happy with your service. As a single working man being available during office hours is very very difficult for me. I pleasantly surprised and grateful that you were able to make yours…
Honest, professional, friendly, timely, competitive, knowledgeable – what more could you want from a computer repair service.
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.
Thank you Alex! Your service was friendly, professional & efficient, and I really appreciate that you were able to collect, fix, and return my computer to me, all in the space of 5 hours.
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…
Thanks for your prompt and professional service Alex – Will certainly recommend!
I am extremely happy with the service. A very troublesome problem was resolved expertly with professionalism that is rare these days. Glad I have finally found a company that delivers results.
Alex is excellent! He has assisted me several times with PC issues over four years. He has the best customer service, friendly and reliable, with competitive prices. I highly recommend Alex to you!

          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