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.


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 your support. Your service was efficient and effective resolving my computer woes in no time.
Thanks for the immediate service and the frankness in dealings. I am extremely happy with your service and approach. I have no doubt that you will do a very successful business and all the best!
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…
Very reliable and trust worthy, thanks Alex
Alex is fantastic, he is professional, very competent and incredibly helpful and kind. Always on time which I value as I work for myself. Alex has saved my bacon a number of times and I’m very gratefu…
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…
I was impressed with Alex’s efficiency and his very polite and pleasant manner.
Alex provided a quick and thorough service with a very competitive price. He recovered ALL my important data quickly. I would highly recommend Green Byte to anyone!!
The service from Alex was fabulous. To have prompt, efficient service out of weekday business hours was very reassuring.
Greenbyte’s service is excellent. Alex is trustworthy and prompt and fixed my computer problems with the minimum of fuss and expense.
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.
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…
Alex is awesome quick, doesnt mess around and good prices
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.
Great service,pricing & service..Highly recommend
I found Alex to be very helpful with dealing with my computer crash and eventual buying of new computer. Not only did he come to me to pick up computer and drop off, he was available on the phone to …
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!
Really efficient service. Reliable and sorted our problem.
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…
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
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.
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 is awesome, punctual, professional, focused, trust worthy, completes the job. Fees very reasonable. I highly recommend his services. He is always my first call.
Alex has been looking after my computer issues for around two years. During this time, Alex has always made himself available, regardless of time of day, or day of the week, to help me with my querie…

          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