Cosmos was established in 1990 to provide customers with happy, honest, and affordable service. Our technician, Kevin, has been here since the very beginning with more than 35  years of experience.
We repair computers and laptops (hardware, troubleshoot software– local area networks and wide area networks). We also offer consultations.

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Noted: We moved, No longer located on 727 Brea Canyon Road #7 Walnut, CA,