Less downtime

Wave goodbye to the headaches caused by poorly functioning and ineffectual IT

Tired of technology that fails?
we TOTALLY understand

Diagnostics Technical Support can help.

Successfully managing a business in the digital age requires keeping in step with the latest technology and also knowing how to use that technology to fit your company’s needs.  DTS empowers your business to be a top competitor in your industry by providing quality market leadership that utilizes globally recognized standards for complete IT Managed Services.

DTS offers unrivaled Cloud Managed Services you can count on to help your business succeed and thrive in your industry.


Managed Services

Why pay more for expensive repairs when something goes wrong? Our Managed Services provide unlimited technical support, as well as proactive network monitoring and maintenance, ensuring you and your staff a worry-free experience.

Microsoft Office 365 

With Microsoft Office 365, you get full email functionality along with the latest updates, security features, back-up, spam filtering, and maintenance and support without buying, maintaining, or managing your own email server.

Data Protection and Disaster Recovery

Create a fortress that defends your company from unexpected disasters. Our super-secure Data Protection and Disaster Recovery services protect your company's valuable resources from fire, flood, hurricanes, server crashes and theft.

Cloud Solutions

Impress clients and stay one step ahead of the competition by accessing your business files and data through any device. With our hosted cloud solution DTS Cloud you will always have your data at your fingertips.

want to work quickly,
more efficiently and economically?


The highest


The happiest customers

DTS resolved some major challenges that we had with our existing computer systems and helped us upgrade to a more effective system in our offices. The techs at DTS are proven experts based upon their knowledge of the industry and the results. I would highly recommend DTS to anyone that needs a personable, knowledgeable technology company to manage their IT.

Ed Reier

General Manager at Contour Landscaping

Crisis Averted!


We recently transferred our email system from Rackspace to Microsoft 365. We were very nervous about the transfer itself, and making sure we didn’t lose any of our emails or data. David was helpful from the beginning, and is still supporting us after the transfer. He took the time to answer all of my questions. He almost always answered the phone when I called (no getting stuck in a queue), or called me back within minutes. The transfer went smoothly, but like anything technical, there were a few bumps. He was quick to answer via phone or email, and took as much time as we needed to be sure the problem was fixed. We are comfortable knowing that he is just a phone call away if we have any troubles in the future!

Jennie Frye

United Painting Services, Inc.

Startup Specialists

I am the Vice President of Business Development at a rapidly growing start up. We needed IT help to help keep us running smoothly, make software and hardware decisions, and help us scale our technology as quickly as we are growing. David and his team have filled these needs and more. David has provided valuable insight on everything including data backup strategy, networking, cloud computing, software, hardware, and connectivity. He supports our cell phones and peripherals as well. He is very responsive, providing time and money saving recommendations, and has a tremendous amount of integrity. David has helped us set up our office, and provides excellent support for all of our day to day and extraordinary needs as well. David is a true partner in growing our business and we are happy to work with him. He and his expert tech team are always friendly, professional, and fun to work with. It is my pleasure to recommend his work and I look forward to continuing to work with David in the future.less

Laura J. Greenberg (Sanchez)
Managing Partner at Verde Associates


DTS is a company that I can contact easily and can depend on when I need to get my computer systems up and running very quickly. The techs are patient and communicate in a way that is not condescending, even though you may be babbling on about your computer needs and are not exactly describing what is going on with your system. My company also had budget restrictions and they have been very instrumental in pushing our systems into the 20th Century so we can be more efficient and can worry less about losing data. I talked with other customers of DTS's before hiring them and received the same glowing recommendations from his other customers. Well as you can see, I could go on and on...but I must go back to work - more worry free now that I have DTS's support.

Elaine Kemna-Irish
Executive Director of the Evanston Chamber of Commerce


Contact Information

Diagnostics technical support, llc

5016 S. Blackstone Avenue

Chicago, IL 60615

Phone: 847-894-8758

IT Services

Get in touch

Click on the social media icons below and stay connected with us across the web and throughout your day.

Copyright 2016. Diagnostics Technical Support, LLC