Justin came out to my home to replace a battery in my Dell laptop. He worked quickly and efficiently, while explaining to me each of the steps he was taking. He spoke in non-technical terms which helped me understand the process. He also passed along some of his hardware and software expertise, which was an added bonus to my service call. Once finished installing my battery, Justin did a quick optimization review of my system. He made an adjustment that has made my boot up time move faster. I w