Due to the current health climate I am not making on-site visits at this time.  
I am able to complete most work remotely.  Free pickup and dropoff is available if needed.

DTCM, Inc.

Dave the Computer Man

Specializing in computer repair and maintenance

Helping homes and small businesses in Chicago & the suburbs since 2002.

Dave Mason, Owner

Small Business and Home Office IT Services

Many small businesses cannot afford to have a full-time IT professional on staff. Your business can benefit from having it's own IT professional on-call, when you need help.

Fast Response
Latest technology
Regular maintenance
Many parts available the same day

Residential Computer Services

Keep your home computers running smoothly, free of malware and viruses. Most problems solved on-site. 

Malware and Virus Removal
Troubleshooting and Maintenance
Wireless Networking

Services Provided

Virus and Malware Removal

Thoroughly scan your system to identify and remove malicious programs. Repair damage. Check your anti-virus program and firewall.

New Computer Setup

Move your documents, pictures, videos, etc. to a new computer. Also migrate settings and help install basic programs to get you going quickly. 

Data Back-up Solutions

Your data needs to be protected. Set up local automated backups. Add cloud backups for additional security.


Check out your computer’s health, update out-of-date programs, clean up the temp and junk files that accumulate with regular use.

Troubleshooting & Repairs

Get to the bottom of the problem. Solve annoying errors, non-working programs, pop-ups or hardware failures.

Data Recovery Services

Help recover lost or accidently deleted data. For more serious issues, evaluate and recommend a professional data recovery lab, if needed.

Wireless Networking Solutions

Customize your network settings. Walk you though setting up wireless devices. Help with wireless range extenders and mesh networks.

Firewalls & Security

Install and configure a separate firewall device if needed. Set up VPN if needed.

System Upgrades

Assess the return on investment. If feasible, provide upgrades to current equipment: Increase memory, replace hard drives, upgrade to solid state drive technology, and more.


Help you choose a new computer or design your new office from the IT perspective. Provide wiring services, phone systems, servers, etc.

Custom Configured Computers

Provide or source conventional desktop computers, mini form factor computers, laptops and all-in-one models configured to your specific needs.

Electronics Recycling

Your old household electronics are picked up and recycled responsibly.

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Open 9AM-6PM

Evenings and Weekends By Appointment Only

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