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.


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 is awesome, punctual, professional, focused, trust worthy, completes the job. Fees very reasonable. I highly recommend his services. He is always my first call.
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 (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…
The service was great and quick, also very easy as i live close to the shop where alex works from
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 appreciated your responsiveness to the issue and the quick implementation of a solution.
I’m very pleased with the computer, thank you. It is the fastest computer I have ever had and is working perfectly. But things don’t last for ever, so when I have the need I will call you.
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…
Honest, professional, friendly, timely, competitive, knowledgeable – what more could you want from a computer repair service.
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…
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.
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
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.
Really efficient service. Reliable and sorted our problem.
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 delighted by the the professionalism, expertise and speed with which Alex dealt with my computer problems and have no hesitation in recommending him to anyone needing help with IT issues
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…
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.
Expertise: Excellent, Accessibility: Excellent, Price: Excellent, Service: Excellent.
I contacted Green Byte on a Saturday afternoon and the problem was diagnosed over the phone. Alex then attended site to do all repairs that day. Very professional service!
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 …
It is refreshing to find a true professional who cares about your business as much as you do. Alex understood our needs and advised accordingly. He carried out his work efficiently and effectively. …
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, was prompt, polite and helpful. He turned up at my home within hours of my call and my lap top was fixed and returned the next day. Brilliant! I would have no hesitation in recommending h…

          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