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With nearly twenty years of service on Cape Cod, On Call Computer Services operates as a reliable local source of priority technical support for both individuals and small business clients. Our long-standing role in the community highlights our emphasis on dependability, professionalism, and timely response. We remain committed to providing practical, effective assistance tailored to client requirements. This enduring presence reflects our continued dedication to quality service and customer trust.

We deliver on-site technical assistance throughout Cape Cod, arriving at homes and offices within 24 hours of request, or sooner when urgency demands. Additionally, we provide International Remote Support to extend our services beyond local boundaries. Our service range includes removal of unwanted software installations, response to hacking incidents, recycling assistance, secure hard drive removal and destruction prior to disposal, computer repair, computer sales, networking, consulting, upgrades, virus and spyware removal, data recovery, graphics design, and logo creation. Call 508 349 0277 to learn more about our services; if our answering system responds, please leave a clear message for a timely return call.

Business details
  • Year established: 2002
Highlights and features
  • Fast-response on-site and remote computer repair across Cape Cod
  • Virus removal, data recovery, and network setup services
  • Local mobile technician serving homes and small businesses
  • Over twenty years of trusted IT support expertise
  • All major brands supported with ITIL-based consulting services
  • Workshop and emergency repairs available in South Dennis
Payment methods
  • Cash
  • Debit cards
  • Credit cards
Services
We provide computer repair services diagnosing and resolving hardware software and network issues. We address slow performance unresponsive applications and connectivity problems to restore functionality. We replace faulty components remove malware and fix software and driver errors. Each repair begins with thorough diagnosis to identify the root cause accurately.
Software Installation
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We handle complete software installation to prepare new systems for immediate and reliable use. Each application is installed with proper system integration, including directory placement, settings configuration, and shortcut creation. Essential programs, third-party tools, and updates are all addressed during setup. Data migration ensures that personal files, media, and user configurations are securely transferred. efficiently
Custom Builds
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Custom Builds are computer systems we create by selecting each component individually rather than using pre-built configurations. This allows us to align hardware precisely with intended use cases and budgets. We emphasize compatibility and performance when choosing CPUs, GPUs, motherboards, memory, storage devices, power supplies, and cases, then proceed through planning, sourcing, and assembly execution.
We provide professional data recovery services alongside guidance on effective backup practices. Backups serve as protection against data loss caused by corruption, cyber threats, and hardware failures. Recovered data can also be used for historical analysis, auditing, and strategic planning purposes. Our solutions prioritize fast restoration to reduce downtime and restore normal operations efficiently.
Reviews (4)
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Susan
Mar 20, 2026
Excellent in every way.
Steve Smith
Mar 11, 2026
Patrick at Cape Cod Oncall has helped me out 4 times. Always able to fix my issues. Great to deal with!
Pam C.
Sep 02, 2025
My old computer was almost unusable. Patrick offered two levels of service so I could select what fit my budget. My computer runs great now!
Mary Felice
Nov 13, 2019
Patrick was quick to answer my call and took days not weeks to clean up my machine. Explained everything very well.