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    Custom PC Service

    Expert Repair for Custom-Built Systems

    Your custom rig deserves a technician who understands it. Whether it's a gaming powerhouse, a content creation workstation, or a homelab server, we diagnose and repair custom-built PCs with the same attention to detail that went into building them.

    What We Fix

    From simple part swaps to complex multi-component failures, we handle the full spectrum of custom PC repair.

    Diagnostic & Troubleshooting

    We identify hardware conflicts, failing components, and performance bottlenecks — even in complex multi-GPU or custom-loop builds.

    Component Replacement

    From motherboards and power supplies to GPUs and NVMe drives — we source compatible parts and handle the swap with care.

    Thermal & Cooling Repairs

    Custom loop leaks, AIO pump failures, thermal paste reapplication, and fan replacements to keep your system running cool.

    Performance Optimization

    BIOS tuning, RAM timings, driver cleanup, and OS optimization to get every frame and every second of render time back.

    OS & Software Recovery

    Corrupted installs, boot loops, and driver conflicts resolved. We rebuild your software environment without losing your data.

    Upgrade Planning & Installation

    Ready for more power? We help you choose the right upgrades — CPU, GPU, storage, RAM — and install them properly.

    Why Trust Us with Your Custom Build

    We Know Custom Hardware

    Unlike big-box stores, we understand custom builds — from enthusiast rigs to boutique workstations. We won't void your warranty or misdiagnose the issue.

    Local, Hands-On Service

    No shipping your PC across the country. We work on it right here in Northern Virginia with direct communication throughout the process.

    Transparent Pricing

    We'll explain what's wrong, what it costs to fix, and whether it's worth repairing — before any work begins.

    Google Reviews
    4.9
    JC
    Joseph Combs
    I have used Mount Vernon Computer several times over the past few years for a variety of computer problems. Each time Daryl provided quality service and really personalized attention to my computer issues. He has all sorts of options for people who need services, from remote services to hands on computer services. I highly recommend Mount Vernon Computers for any and all of your computer needs.
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    CB
    Cathy Bing
    I have been using Mt Vernon Computers for over 10 years. The service is excellent and Daryl Elliot is great to work with. He has helped me with multiple computers and has always been responsive in diagnosing and fixing problems quickly.
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    KC
    K Clarke
    My teenager did not properly back up her laptop. So, when it totally crashed she lost access to her English final and all her junior year school files. In a panic we called Daryl on a Sat morning. He was able to retrieve all her files and make them available for use on either a PC or Mac. We have both and were not sure which computer would be used to finish up the school year. We had the all her files by 6pm that same Sat. You will not go wrong with Daryl. His prices are reasonable and we found him knowledgeable and honest. We will be using Daryl again for any future problems.
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    Need Your Custom PC Fixed?

    Don't trust your custom rig to just anyone. Our technicians specialize in the hardware you actually use.