lenovo 邵阳E42 |
您所在的位置:网站首页 › lenovo昭阳e42-80构造 › lenovo 邵阳E42 |
转载地址:https://blog.csdn.net/sc_lilei/article/details/79545524?utm_source=blogxgwz4
装完系统后, $sudo apt-get upgrade 系统版本内核变为: jxl@lenovo:~$ uname -a Linux lenovo 4.4.0-138-generic #164~14.04.1-Ubuntu SMP Fri Oct 5 08:56:16 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux jxl@lenovo:~$ lspci |grep Network 03:00.0 Network controller: Qualcomm Atheros Device 0042 (rev 31)插上网线后,可以上网;但是右上角的wifi 标志提示被硬件blocked; sudo rfkill list all可以看到状态wlan的hard blocked为yes,注意没有网上说的3: phy0 0: ideapad_wlan: Wireless LAN Softblocked: no Hardblocked: yes 1: ideapad_bluetooth: Bluetooth Softblocked: yes Hardblocked: yes 2: hci0: Bluetooth Softblocked: yes Hardblocked: no试了很多帖子,都不行,最后按照这篇帖子 成功。 https://blog.csdn.net/sc_lilei/article/details/79545524?utm_source=blogxgwz4 1、检查无线网卡类型:lspci |grep Network ,返回Network controller:Qualcomm Atheros Device 0042(rev 31),由此确认是高通的网卡。(若是Broade....字样则是博通,此处暂不涉及。) 2、下载软件包1【backports-4.4.2-1.tar】软件包2【linux-firmware_1.169.3_all.deb】,可通过手机蓝牙共享网络给电脑临时联网,没有蓝牙就只能有线或再找一台电脑。接着打开终端运行以下命令 sudo apt-get install build-essential linux-headers-$(uname -r) git echo "options ath10k_core skip_otp=y" | sudo tee /etc/modprobe.d/ath10k_core.conf tar -zxvf backports-4.4.2-1.tar.gz (进入软件包所在目录操作) cd backport-4.4.2-1 sudo make defconfig-wifi sudo make sudo make install git clone https://github.com/kvalo/ath10k-firmware.git sudo cp -r ath10k-firmware/QCA9377 /lib/firmware/ath10k/ sudo cp /lib/firmware/ath10k/QCA9377/hw1.0/WLAN.TF.1.0/firmware-5.bin_WLAN.TF.1.0-00002-QCATFSWPZ-5 /lib/firmware/ath10k/QCA9377/hw1.0/firmware-5.bin (先确认要复制的文件是存在的) sudo dpkg -i linux-firmware_1.169.3_all.deb (进入软件包所在目录操作) sudo reboot发现还是不OK,然后: $ rfkill list all 0: ideapad_wlan: Wireless LAN Softblocked: no Hardblocked: yes 1: ideapad_bluetooth: Bluetooth Softblocked: yes Hardblocked: yes 2: hci0: Bluetooth Softblocked: yes Hardblocked: no 3: phy0: Wireless LAN Softblocked: no Hardblocked: no发现这时有了 phy0, 因为被联想的模块ideapad_laptop给硬件禁止了,卸载掉该模块之后,WiFi就正常了。 sudo modprobe -r ideapad_laptop 重启后,仍然有ideapad_laptop,因此需要把它加入到黑名单里即可。 在/etc/modprobe.d/新建一个ideapad.conf,该文件内容如下: blacklist ideapad_laptop再重启,发现右上角的wifi 图标可以正常显示了。 jxl@lenovo:~$ rfkill list all 0: hci0: Bluetooth Soft blocked: no Hard blocked: no 1: phy0: Wireless LAN Soft blocked: no Hard blocked: no jxl@lenovo:~$
这时发现一个有意思的现象,之前装过一个wicd network manager, 发现在这个软件中还是检测不到wifi 安装wicd的命令: https://www.howtoinstall.co/en/ubuntu/trusty/wicd-gtk(Ubuntu14.04) Install wicd-gtk Installing wicd-gtk package on Ubuntu 14.04 (Trusty Tahr) is as easy as running the following command on terminal: sudo apt-get update sudo apt-get install wicd-gtkhttps://www.howtoinstall.co/en/ubuntu/xenial/wicd(Ubuntu16.04) Install wicd Installing wicd package on Ubuntu 16.04 (Xenial Xerus) is as easy as running the following command on terminal: sudo apt-get update sudo apt-get install wicd
|
今日新闻 |
推荐新闻 |
CopyRight 2018-2019 办公设备维修网 版权所有 豫ICP备15022753号-3 |