我有一台安装了Ubuntu 16.04的Dell vostro 14-5480笔记本电脑。我知道挂起后，我的有线连接不再起作用。我试图重新启动网络管理器服务sudo service network-manager restart和解决方案Webupd8也是在这里，但他们没有解决问题。这是我的结果sudo lshw -C network
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:06:00.0
logical name: eth0
version: 10
serial: 20:47:47:63:b9:b3
size: 100Mbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168g-3_0.0.1 04/23/13 ip=192.168.1.2 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
resources: irq:45 ioport:e000(size=256) memory:f7204000-f7204fff memory:f7200000-f7203fff
*-network DISABLED
description: Wireless interface
product: Wireless 7265
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:07:00.0
logical name: wlan0
version: 59
serial: 60:57:18:be:2e:5e
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.4.0-31-generic firmware=16.242414.0 latency=0 link=no multicast=yes wireless=IEEE 802.11abgn
resources: irq:48 memory:f7100000-f7101fff
谢谢你的帮助。