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以太网和 Wifi 问题 Ubuntu 15.10 Lenovo z50

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以太网和 Wifi 问题 Ubuntu 15.10 Lenovo z50

我最近在联想 z50 上安装了 ubuntu 15.10 和 windows 10。我已经连接了 LAN 线，并且互联网连接非常好（在 windows 10 中运行得很好）。我也配置了代理设置。但在 ubuntu 中显示电缆已拔出。此外，wifi 选项也不存在。

cat /etc/network/interfaces

output:

# interface(s) file used by ifup(8) & ifdown(8)
auto lo
iface lo inet loopback

cat /etc/NetworkManager/NetworkManager.conf

output: 

[main]
plugins=ifupdown,keyfile,ofono
dns=dnsmasq
[ifupdown]
managed=false

cat /etc/resolv.conf

output:

#Dynamic resolv.conf(s) file for glibic resolver(3) generated by     resolvconf(8)
#      DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN

ifconfig -a

output:

enp1s0     link encap:Ethernet HWaddr 28:d2:44:f7:9f:a5
              UP BROADCAST MULTICAST MTU:1500 Metric:1
               RX packets:0 errors:0 dropped:0 overruns:0 frame:0
              TX packets:0 errors:0  dropped:0 overruns:0 carrier:0
              collisions:0  txqueuelen:1000
              RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
lo               Link  encap:Local Loopback
               inet addr:127.0.0.1   Mask:255.0.0.0
              inet6 addr:  ::1/128  Scope:Host
              UP LOOPBACK RUNNING  MTU:65536  Metric:1
               RX packets:9174  errors:0  dropped:0  overruns:0  frame:0
              TX packets:9174  errors:0  dropped:0  overruns:0  carrier:0
               collisions:0  txqueuelen:0
              RX bytes:682595 (682.5 KB)  TX bytes:682595 (682.5 KB)

我无法确定是否需要更多设置或我没有驱动程序。我搜索了不同的论坛和博客，但都无济于事。Smiley Sad

任何帮助都将不胜感激谢谢

答案1

使用以下方法检查计算机所需的驱动程序

lspci

就我而言：

sumit@Lenovo-Z50-70:~/Documents/programs$ lspci
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT   Integrated Graphics Controller (rev 0b)
00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b)
00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04)
00:16.0 Communication controller: Intel Corporation 8 Series HECI #0 (rev 04)
00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 3 (rev e4)
00:1c.3 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 4 (rev e4)
00:1c.4 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 5 (rev e4)
00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04)
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.   RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)
02:00.0 Network controller: Broadcom Corporation BCM43142 802.11b/g/n (rev 01)
03:00.0 3D controller: NVIDIA Corporation GM108M [GeForce 840M] (rev ff)

在我的情况下，这是 Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express 千兆以太网控制器（修订版 10）。使用以下链接获取 realtek 驱动程序

http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PNid=13&PFid=5&Level=5&Conn=4&DownTypeID=3&GetDown=false

如果您没有互联网连接，请在其他系统上执行此操作。下载并复制到系统桌面。解压。打开终端。使用命令

cd Desktop/r8168-8.041.01 (go to the extracted folder)
sudo ./autorun.sh

输入您的密码。这将安装驱动程序并建立连接。如果不行，请尝试重新启动系统。

对于 wifi，如果您的系统有 Broadcom 无线驱动程序，请参阅此答案：

http://askubuntu.com/questions/55868/installing-broadcom-wireless-drivers

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