我的戴尔 N4010 上安装了 Ubuntu,直到前天它还运行正常,但突然我的蓝牙不显示了,系统设置中显示未找到蓝牙适配器
结果:
abindrardangol@AbindraRDangol:~$ lspci -nnk | grep -iA3 net
04:00.0 Network controller [0280]: Broadcom Limited BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)
Subsystem: Dell Inspiron M5010 / XPS 8300 [1028:0010]
Kernel driver in use: wl
Kernel modules: bcma, wl
abindrardangol@AbindraRDangol:~$ lsusb
Bus 002 Device 003: ID 1d57:5a66 Xenta
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 0c45:6480 Microdia Sonix 1.3 MP Laptop Integrated Webcam
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
abindrardangol@AbindraRDangol:~$ dmesg | egrep -i 'blue|firm'
[ 0.256940] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 0.260726] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness
[ 1.308256] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness
答案1
我认为您的声音问题与蓝牙问题无关。您可以通过使用alsamixer
via 终端来解决大多数声音问题,这几乎是不言自明的。