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Business Details
19 Years
experience
Expert Computer Repair in Commack, NY
Since 1995, we have dedicated ourselves to delivering exceptional computer repair and technical support services. Founded in Suffolk County, NY in 2007, Comp Online was established to fulfill a vision of providing unmatched service through expert diagnostics, repairs, and customer education. Our team of Microsoft Certified Technicians specializes in hardware and software solutions, including motherboard repair, virus removal, data recovery, and network setup. We pride ourselves on affordability, transparency, and personalized service, ensuring every client receives tailored solutions that meet their unique needs.

With decades of combined experience, we approach every repair with a commitment to honesty, efficiency, and long-term client satisfaction. Our family-owned business treats every device as if it were our own, offering free in-store diagnostics, same-day repairs, and comprehensive support for home and business users alike.
Services
Computer Repair Virus Removal Data Recovery Laptop Repair Networking Remote Support Hardware Installation OS Restoration Memory Upgrades Mobile Device Repairs
Details
  • Year established: 2007
Highlights and features
  • Microsoft Certified Technicians for reliable service
  • Affordable rates with free in-store diagnostics
  • Same-day repair services available
  • Family-owned business with 15+ years of local experience
  • Specialize in motherboard diagnostics and repair
Associations and certifications
  • Microsoft Certified Technicians
What people say
Quick repair Knowledgeable staff Affordable rates Highly recommend Excellent service
Services
Computer Repair
Our technicians diagnose and fix hardware and software issues for desktops and laptops. We replace components like hard drives, video cards, and motherboards. Our Microsoft Certified team ensures precise repairs using OEM parts, with a focus on preventing future problems through client education.
Virus/Spyware Removal
We identify and eliminate viruses, spyware, and malware slowing your system. Our process includes full system scans, threat removal, and security optimization. Technicians educate clients on prevention strategies to maintain secure, efficient devices post-removal.
Data Recovery
Specialized recovery of data from damaged or inaccessible storage media. We salvage files from failed hard drives, corrupted systems, or accidental deletions. Services include physical media repair and digital extraction, with clear communication about recovery possibilities and costs.
Laptop Repair
Comprehensive repairs for laptops including screen replacement, DC jack fixes, and motherboard diagnostics. We address spills, overheating, and component failures. Technicians use specialized tools to restore functionality to all brands, including Apple devices, with transparent pricing.
Networking Services
Installation and repair of wired/wireless networks for homes and businesses. Services include router configuration, device connectivity, and network security optimization. We troubleshoot existing issues and design scalable solutions for reliable internet access across multiple devices.
People
Natan Leht
Owner and Founder
Owner and founder since 2007, providing computer repair services in Suffolk County. Known for knowledge, professionalism, and commitment to customer satisfaction. Educates clients on preventing future issues through clear explanations and preventive guidance.
Tanya Kaganovsky
Customer Support Manager
Manages customer support and backend operations. Ensures excellent service delivery through organizational expertise and client communication. Works closely with Natan to maintain affordable pricing and high repair standards for all clients.
Questions
Do you charge for computer diagnostics?
Free in-store diagnostics. On-site diagnostics cost $75, waived if we perform repairs.
What payment methods do you accept?
We accept credit cards, personal checks, and cash for all repair services.
Do you repair laptops and MacBooks?
Yes, we repair all laptops including screen replacement, motherboard issues, and Mac OS support.
How long do repairs typically take?
Most repairs complete in 1-2 days. On-site visits take 1-3 hours, depending on complexity.
Are your technicians certified?
Our team includes Microsoft Certified Technicians with expertise in hardware and software solutions.
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