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 (Green Byte) was recommended to me by a friend who works in the IT industry. Absolutely fantastic response time, my email inquiry was sent in the morning and answered that same morning!, not seve…
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.
The dreaded blue screen….Alex responded quickly and effectively to my computer troubles. He came to our home, then took the computer away so I wasn’t paying for ‘waiting’ time. I would happily use hi…
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…
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 have had excellent service from Green Byte – although I am only a very small business my queries are also attended to quickly. Alex never makes me feel that any job is too small or not worth is whi…
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!
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
Thanks for doing such a thorough job.
Alex – all good with my laptop now. Many thanks for your efficiency and the way you just got on with the job at hand. I would certainly recommend you to anyone else requiring computer help.
Alexander gave us prompt, efficient service – we were very pleased with his response time, his responsiveness to our needs and the way in which he conducts his business. We ended up with a new pc in …
I was delighted with the prompt service from Green Byte. Alexander came to my office within 2 hours and immediately identified the computer problem. Took it away and delivered it the next day – fixed!…
Alex has serviced our IT equipment since 2013. He is a great professional, explains everything well (I need a lot of explaining!) and all goes well after his intervention.
Brilliant service. Being a complete dill when it comes to how broadband/wireless works it was a relief to have everything explained clearly. Thank you Alex.
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…
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!!!
For me, finding Alex was to find a treasure. He arrives quickly, works with speed that comes from reai expertise so that no time is wasted and costs are minimised. Having this sort of backup,an aged p…
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…
The service from Alex was fabulous. To have prompt, efficient service out of weekday business hours was very reassuring.
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.
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. …
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…
Alex is very professional and responsible person. He was recommended to us by other people and he prove himself to be very knowledgeable and friendly person. We keep his card handy and happy to recom…
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…
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…

          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