Due to the recent “Safer at Home” directive, we have transitioned our office to work from home. We will continue to provide remote services only for computer support and repair. Please call (909) 4682028 for any computer-related issues or questions. Thank you and stay safe.

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

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 28  years of experience.
We repair computers and laptops (hardware, troubleshoot software– local area networks and wide area networks). We also offer consultations.