Bluetooth open but cant find device
2024-06-24
bluetoothosubuntuBluetooth open but cant find deviceTry this firstsudo rmmod btusb
sleep 1
sudo modprobe btusbIf failed, try:ref: https://blog.51cto.com/u_14193285/5985919# 关闭蓝牙设备
sudo hciconfig hci0 down
# 卸载蓝牙模块
sudo rmmod btusb
# 重加载蓝牙模块
sudo modprobe btusb
# 解锁蓝牙设备
sudo rfkill unblock bluetooth
# 开启蓝牙设备
sudo hciconfig hci0 up
#重启蓝牙服务
sudo systemctl restart bluetooth我这边做到 hci0 up 就无法继续了，但是没关系，关机 30s 后恢复，蓝牙就正常工作了。下午又挂了！而且上面方法没用了！试试这个，又成功启动了：https://blog.csdn.net/Insight__/article/details/132777714# 卸载并重新加载btusb内核模块（支持蓝牙设备的内核模块）
sudo rmmod btusb
sleep 1
sudo modprobe btusb
# 安装蓝牙工具和工具包
# 使用apt安装blueman蓝牙管理工具
sudo apt install blueman
# 使用apt-get安装blue-utils蓝牙实用工具
sudo apt-get install blue-utils
# 使用apt-get安装bluez蓝牙套件的所有相关包
sudo apt-get install bluez*
# 3、启动蓝牙服务
sudo service bluetooth start
# 4、重新解除蓝牙设备的阻止
# 阻止蓝牙设备
rfkill block bluetooth
# 解除对蓝牙设备的阻止
rfkill unblock bluetooth this cmd verified to be effective on 24.6.25this cmd verified to be effective on 24.6.25 again, the rmmod and modprobe is enoughthis cmd verified to be effective on 24.6.27 again, the rmmod and modprobe is enoughthis cmd verified to be effective on 24.9.9 on linux, the rmmod and modprobe is enoug