我正在使用 Ubuntu 20.04 LTS，我的蓝牙在 Windows 上运行良好，但我完全转向了 Ubuntu，现在我无法使用蓝牙。我是 Linux 新手，任何这方面的帮助都将不胜感激！我的硬件：RTL8821CE
我已附上截图。
$ lsusb; dmesg | egrep -i 'blue|firm'
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 0408:5362 Quanta Computer, Inc. HP TrueVision HD Camera
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[ 0.090350] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 3.675860] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4)
[ 6.074755] audit: type=1400 audit(1644766913.890:76): apparmor="DENIED" operation="connect" profile="snap.bluez.obex" name="/run/dbus/system_bus_socket" pid=936 comm="obexd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0
[ 6.101004] audit: type=1400 audit(1644766913.910:77): apparmor="DENIED" operation="create" profile="snap.bluez.bluez" pid=933 comm="bluetoothd" family="bluetooth" sock_type="raw" protocol=1 requested_mask="create" denied_mask="create"
[ 6.150073] audit: type=1400 audit(1644766913.958:78): apparmor="DENIED" operation="connect" profile="snap.bluez.bluez" name="/run/dbus/system_bus_socket" pid=933 comm="bluetoothd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0
[ 6.354094] audit: type=1400 audit(1644766914.166:79): apparmor="DENIED" operation="create" profile="snap.bluez.bluez" pid=1224 comm="bluetoothd" family="bluetooth" sock_type="raw" protocol=1 requested_mask="create" denied_mask="create"
[ 6.355022] audit: type=1400 audit(1644766914.166:80): apparmor="DENIED" operation="connect" profile="snap.bluez.bluez" name="/run/dbus/system_bus_socket" pid=1224 comm="bluetoothd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0
[ 6.369999] audit: type=1400 audit(1644766914.182:81): apparmor="DENIED" operation="connect" profile="snap.bluez.obex" name="/run/dbus/system_bus_socket" pid=1228 comm="obexd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0
[ 6.534596] audit: type=1400 audit(1644766914.350:82): apparmor="DENIED" operation="create" profile="snap.bluez.bluez" pid=1342 comm="bluetoothd" family="bluetooth" sock_type="raw" protocol=1 requested_mask="create" denied_mask="create"
[ 6.535209] audit: type=1400 audit(1644766914.350:83): apparmor="DENIED" operation="connect" profile="snap.bluez.bluez" name="/run/dbus/system_bus_socket" pid=1342 comm="bluetoothd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0
[ 6.546348] audit: type=1400 audit(1644766914.358:84): apparmor="DENIED" operation="connect" profile="snap.bluez.obex" name="/run/dbus/system_bus_socket" pid=1343 comm="obexd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0