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.


You haven’t heard from me lately because my IT is working perfectly thanks to you. However, I would like to thank you for previous assistance. Your expertise and service are second to none. I particul…
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.
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.
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…
Thanks for doing such a thorough job.
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…
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.
Great Efficient service
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…
Alex is awesome, punctual, professional, focused, trust worthy, completes the job. Fees very reasonable. I highly recommend his services. He is always my first call.
Fantastic service in every way! Would not go elsewhere.
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!!!
Great quick service!
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 couldn’t recommend Green Byte more. The service was prompt, efficient and courteous. Well done!
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…
For my business, it is important for me to keep my computer running so when I first had problems I contacted Alex. He arrived without any undue delay and my computer was fixed. ALWAYS I have found Ale…
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!
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…
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
I have enjoyed the service you provide and will definitely use you again in the future when required.
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! 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.
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.
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

          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