開機忘插電，滑鼠失靈，換滑鼠也是。重新插上滑鼠可以，幾秒後又失靈 檢視：http://blog.csdn.net/ibey0nd/article/details/31021769 1,檢視滑鼠id $ lsusb -v |grep Mouse Couldn't open device, some information will be missing Couldn't open device, some information will be missing Couldn't open device, some information will be missing Couldn't open device, some information will be missing Couldn't open device, some information will be missing Couldn't open device, some information will be missing Couldn't open device, some information will be missing Bus 003 Device 020: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse Couldn't open device, some information will be missing idProduct 0x2510 Optical Mouse bInterfaceProtocol 2 Mouse 這麼多missing，估計是以前用過的滑鼠吧 找到滑鼠：ID 093a:2510 2, $ sudo vi