在内核更新到4.2.0后只剩下键盘和触摸板可以用（鼠标，无线网卡，usb无线网卡，有线卡都不可用），在3.13.0内核中只有usb网卡和有线网卡可以使用，无线网卡用不了。
更新使用的命令是：
sudo apt-get install linux-image-4.2.0-22-generic linux-headers-4.2.0-22-generic
硬件信息：
00:00.0 Host bridge: Intel Corporation Device 1904 (rev 08)
00:02.0 VGA compatible controller: Intel Corporation Device 1916 (rev 07)
00:04.0 Signal processing controller: Intel Corporation Device 1903 (rev 08)
00:14.0 USB controller: Intel Corporation Device 9d2f (rev 21)
00:14.2 Signal processing controller: Intel Corporation Device 9d31 (rev 21)
00:15.0 Signal processing controller: Intel Corporation Device 9d60 (rev 21)
00:15.1 Signal processing controller: Intel Corporation Device 9d61 (rev 21)
00:16.0 Communication controller: Intel Corporation Device 9d3a (rev 21)
00:17.0 SATA controller: Intel Corporation Device 9d03 (rev 21)
00:1c.0 PCI bridge: Intel Corporation Device 9d10 (rev f1)
00:1c.4 PCI bridge: Intel Corporation Device 9d14 (rev f1)
00:1c.5 PCI bridge: Intel Corporation Device 9d15 (rev f1)
00:1d.0 PCI bridge: Intel Corporation Device 9d18 (rev f1)
00:1f.0 ISA bridge: Intel Corporation Device 9d48 (rev 21)
00:1f.2 Memory controller: Intel Corporation Device 9d21 (rev 21)
00:1f.3 Audio device: Intel Corporation Device 9d70 (rev 21)
00:1f.4 SMBus: Intel Corporation Device 9d23 (rev 21)
01:00.0 3D controller: NVIDIA Corporation Device 139a (rev a2)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
03:00.0 Network controller: Intel Corporation Device 3165 (rev 81)
04:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device 522a (rev 01)
ubuntu（14.04）synaptics触摸板失灵修复（奇怪的系统相互干扰）：http://www.linuxdiyf.com/linux/16703.html
更新ubuntu15.10后触摸板点击功能消失：http://www.linuxdiyf.com/linux/16596.html
ubuntu15.10插入鼠标后自动禁用触摸板：http://www.linuxdiyf.com/linux/16590.html
Ubuntu下轻松关闭触摸板：http://www.linuxdiyf.com/linux/15830.html
ubuntu14.04开关触摸板：http://www.linuxdiyf.com/linux/14104.html