我刚刚在我的笔记本电脑 Dell Vostro 3350 上安装了最新版本的 ubuntu，我的 Wi-Fi 运行正常，但蓝牙根本无法工作或被检测到。
下面是我的笔记本电脑的屏幕截图：
运行后结果dmesg | egrep -i 'blue|firm'
[ 0.214235] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 0.291902] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 47.801460] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 164.241397] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 180.113487] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
[ 385.969376] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07)
结果lsusb
Bus 002 Device 005: ID 0bda:0138 Realtek Semiconductor Corp. RTS5138 Card Reader Controller
Bus 002 Device 014: ID 413c:818d Dell Computer Corp.
Bus 002 Device 003: ID 138a:0011 Validity Sensors, Inc. VFS5011 Fingerprint Reader
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0c45:6484 Microdia
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub