Lenovo be spyware. As of June 2016, a Duo Labs report stated that Lenovo was still installing bloatware, some of which leads to security vulnerabilities as soon as the user turns on their new PC. Lenovo advised users to remove the offending app, "Lenovo Accelerator". According to Lenovo, the app, designed to "speed up the loading" of Lenovo applications, created a man-in-the-middle security vulnerability. Lenovo markets the ThinkPad line of notebook computers, IdeaPad, Yoga and Legion lines of notebook laptops, and the IdeaCentre and ThinkCentre lines of desktops. It expanded significantly in 2005 through its acquisition of IBM's personal computer business,
ThinkPad W series are: The Lenovo W541 is essentially a ThinkPad W540 that featured the new-style keyboard but with a re-introduction of the classic ThinkPad trackpad design. The prior ThinkPad trackpad design featured in the W540 was abandoned. Rather than being a successor of any previous W-series model, the Lenovo W550s is a thinner Ultrabook variant of the W series. While a capable Ultrabook, when compared to the W541 and its predecessors, it offers less capability with only dual-core hyper-threaded Intel Broadwell Processors vs. the true quad-core processors of other models and has only two RAM slots. The ThinkPad W series was replaced