Ubuntu 18.04 LTS 中的 WiFi 信号不佳

Posted 2023-03-12

【中文标题】Ubuntu 18.04 LTS 中的 WiFi 信号不佳

【英文标题】：Poor WiFi signal in Ubuntu 18.04 LTS

【发布时间】：2020-03-09 06:12:23

【问题描述】：

我只是从 Windows 转到 Ubuntu。安装 Ubuntu 后，出现“未找到 WiFi 适配器”问题。我关注了一个YouTube 视频，该视频修复并帮助连接了可用的 wifi，但现在我遇到了信号不佳的问题。我也试过https://connectwww.com/how-to-solve-realtek-rtl8723be-weak-wifi-signal-problem-in-ubuntu/4625/这个答案和来自YouTube的另外两个三个答案，但没有运气。我应该怎么做才能让我的 hp 笔记本电脑信号强？

【参考方案1】：

安装 wifi 驱动程序对我有用，我已经在许多 hp 笔记本电脑上尝试过，它在那里也能正常工作。

https://github.com/kindlerprince/Wifi_Solution

statuscheck()

    if [ $1 -ne 0 ]
    then
        echo $2
        echo "Exiting...."
        exit 0
    fi


CURR=$(cd "$(dirname "$0")" ; pwd -P )
echo $CURR
echo -n "Enter the sudo password : "
read -s password

cmd=$(echo $password | sudo -S lshw -C network -short 2>/dev/null | grep Wireless | awk 'print $2 " " $4')
if sudo -n true ; then
        echo "I got the sudo password"
else
        echo "Wrong sudo password"
        echo "Either replace the password in this script or give password via command line arguments"
        echo "Exiting...."
        exit 0
fi

#the return value is a single string having a space
#splitting by space and storing in a array
cmd=($cmd)
echo "Wifi Interface: "$cmd[0]
echo "Wifi Driver: "$cmd[1]

if [ -d "rtlwifi_new" ]
then
    rm -rf rtlwifi_new
fi

git clone https://github.com/kindlerprince/rtlwifi_new.git 
statuscheck $? "Failed to cloned Repository"


cd rtlwifi_new
make
statuscheck $? "Error occured in make"
sudo make install
statuscheck $? "Error occured in make"
sudo modprobe -rv $cmd[1]
sudo modprobe -v $cmd[1] ant_sel=2
sudo ip link set $cmd[0] up
sudo iw dev $cmd[0] scan
make clean

echo "Wifi Driver Installed Successfully"