A comprehensive list of Covina, CA based companies and technicians offering computer repair and maintenance services. Fix your computer problems now! Read unbiased reviews and recommendations. 
We do our best to achieve excellence in our work by offering some of the quickest response time combined with some of the very best services available to the market. Services aren't just limited to Windows based PCs; we specialize in Mac based PC's as well. Whenever your computer breaks down, need to upgrade, or just need basic consulting, remember the name: Expert Reaction.
We also provide custom
Jose Fernandez Iii — Years ago I had a very positive experience with Marcus of Expert Reaction. Recently I had an issue with another computer