19 Systems
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19 Systems
19 Systems is a small computer company that excels at making your PC run smoother and faster. Since 1990, we have been working on and maintaining systems, networks, and most any other computer related gadgets. From a single system at your home to multiple work stations in an office environment, our mission is to find the solution in the least amount of time to get you back up and running.

Our clients sing our praises and we guarantee that you will too.
Services
With our availability, professionalism, attention to detail and user friendly communication, we can help your computer systems run more efficiently so you can be more productive. If your office or home systems need attention, schedule an evaluation appointment today so we can discover your wants and needs to make your computers work for you not against you!
Computers can be frustrating and intimidating. One of our strengths is the ability to communicate with our customers and understand their issues. No geek speak allowed. We realize that communicating with our customers is more important than just fixing a computer.

If you need help getting rid of viruses and spyware, finding out why your computer is so slow, setting up a wireless network, backing up your data or ways to make your computer experience more productive, friendly and fun, please give us a call.We look forward to finding out how we can help you.
Reviews (11)
Chayo R.
Chayo R.
Nov 19, 2021
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Positive: Professionalism, Responsiveness
I highly recommend Greg. I am not very computer savvy and he explained everything in a way that made sense to me. He gave me so much useful information. I will definitely be recommending Greg to my friends and family!
David Gerard
David Gerard
Nov 14, 2021
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UPDATE: 11/15/2021: After Dell reimaged by laptop, when repairing the battery and keyboard (?), I was no longer able to map to my other computers. Turned out to be a complex problem and thanks to Greg's knowledge and perseverance, he was able to get me back to the normal and expected networking environment!
Definitely, the "GoTo Guy"!
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Once again, I have had a very positive experience in dealing with computer issues beyond my capabilities.
I miss not having him local in Fullerton, CA, but he is terrific on doing remote support!
I can highly recommend
Nathalie Kabela
Nathalie Kabela
Sep 14, 2021
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Positive: Responsiveness
I had posted a computer help question on NextDoor and he private messaged me. Greg was willing to help me via messages since I can't hear on the phone. Mind you I am not very computer smart. Thanks alot!!
Kathleen Bell
Kathleen Bell
Jan 10, 2021
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Greg is an amazing computer guru for our laptops. He has trained us on what to do, and not do, on them. He is able to do most of the work remotely and has been there whenever we have questions.
Would highly recommend him for any computer work you need.
Michael Medina MedFamous
Michael Medina MedFamous
Dec 16, 2020
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I’m glad I called him. I learned about Greg on the Nextdoor App and decided to give him a try. I had multiple drives with family pictures mainly of my kids when they were young. I kept them overtime although I thought the drives were dead. Greg was able to recover the information from them and even salvage one of the drives so that we can still use it. Price is very reasonable and will continue to use him in the future.
Rebecca
Rebecca
Dec 11, 2020
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I bought a new laptop and wanted to upgrade a few components but was scared to do it myself. I found Greg through a google search and he responded to all my emails really fast and professionally. He got me in within an hour and it ended up costing me less than we originally discussed. Very fair and professional guy, friendly too. I'll be coming back here!
Lightning Motorsports James Y.
Lightning Motorsports James Y.
Oct 31, 2020
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Outstanding service experience! I spilled coffee on my laptop cpu and the space bar stopped working consistently. Called Greg and reported the issue. He ordered the part and completed the job extremely quickly. Best of all, his price was very reasonable and affordable. Outstanding business professional that takes the time to provide quality service and provides detailed feedback regarding your cpu. Greg will be my go-to PC man moving forward.
Rachel Ritz
Rachel Ritz
Oct 09, 2020
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Greg is awesome! Professional and honest, prompt and knowledgeable. I found him on Nextdoor and initially I was a little hesitant...Well, he has become our new IT guy! He has brought back to life our old laptop...good for the kids’ virtual/online school. Its speed is faster than when it was brand new ◡̈. Our family feels much better now knowing that all our IT needs are in good and trustworthy hands! Thank YOU, Greg!
Dana Sedler
Dana Sedler
Sep 29, 2020
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Positive: Professionalism
Greg was most helpful with a laptop problem I was having right before Thanksgiving. Not only did he cure the problem, he worked into the night so I could get the laptop back in a very timely manner. And I think his pricing is most fair.
Morris Jennings
Morris Jennings
Sep 20, 2020
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Greg has provided expert computer consultation and assistance to me for more than eight years; always very professional and super-competent. It is wonderful to be able to call on someone I can trust when I have computer issues. I highly recommend Greg!
Donna R.
Donna R.
Jul 28, 2019
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Great customer service and very knowledgeable!! We needed our computer looked at because it was running slow. We called Greg and he was quick to respond and schedule an appointment. He gave us an estimate and it was fair and reasonable. He took the time to answer all of our questions and gave us some suggestions at no extra cost. Our computer is working better than ever thanks to Greg! I would highly recommend his services!!