History of personal computers first common in high end systems, servers and workstations, and then gradually replaced 32-bit processors in consumer desktop and laptop systems since about 2005. In 2004, IBM announced the proposed sale of its PC business to Chinese computer maker Lenovo Group, which is partially owned by the Chinese government, for US$650 million in cash and $600 million US in Lenovo stock. The deal was approved by the Committee on Foreign Investment in the United States in March 2005, and completed in May 2005. IBM will have a 19% stake in Lenovo, which will move its headquarters to New York State
ThinkPad X1 Carbon ThinkPad X1 Carbon The ThinkPad X1 Carbon is a high-end 14-inch notebook computer released by Lenovo in 2012 and updated every year since 2014. The ThinkPad X1 Carbon Touch featured a multitouch enabled screen in order to take more effective advantage of Microsoft's touch-optimized Windows 8, Windows 8.1, and Windows 10 operating systems. In early August 2012, Lenovo released the ThinkPad X1 Carbon as the successor to the earlier ThinkPad X1. The X1 Carbon was first released in China due to the popularity of ThinkPads in that market. In November 2012, Lenovo announced a touch-screen variant called the ThinkPad X1