我有一台戴尔笔记本电脑，配有英特尔 AX200 WiFi/蓝牙适配器。这个组合在 19.10 中运行良好。但现在任何连接尝试都声称可以连接，但实际上却无法连接。我使用 Cinnamon 作为桌面。 /usr/bin/blueman-tray经常崩溃，我确实发送了错误报告。
我有：
lspci -knn | grep Net -A3; lsusb：
09:00.0 Ethernet controller [0200]: Intel Corporation I210 Gigabit Network Connection [8086:1533] (rev 03)
Subsystem: Device [1d2d:f017]
Kernel driver in use: igb
Kernel modules: igb
--
3b:00.0 Network controller [0280]: Intel Corporation Wi-Fi 6 AX200 [8086:2723] (rev 1a)
Subsystem: Intel Corporation Wi-Fi 6 AX200 [8086:0084]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
Bus 009 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 010 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 008 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 007 Device 002: ID 0bda:2171 Realtek Semiconductor Corp. BillBoard Device
Bus 007 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 003: ID 046d:0821 Logitech, Inc. HD Webcam C910
Bus 005 Device 002: ID 047f:c012 Plantronics, Inc. Plantronics .Audio 628 USB
Bus 005 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 003: ID 0d8c:0022 C-Media Electronics, Inc. USB Advanced Audio Device
Bus 003 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 27c6:5395 Shenzhen Goodix Technology Co.,Ltd. Fingerprint Reader
Bus 001 Device 002: ID 8087:0029 Intel Corp.
Bus 001 Device 004: ID 0c45:671d Microdia Integrated_Webcam_HD
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
dmesg | grep -i blue：
[ 4.658409] Bluetooth: Core ver 2.22
[ 4.658436] Bluetooth: HCI device and connection manager initialized
[ 4.658439] Bluetooth: HCI socket layer initialized
[ 4.658444] Bluetooth: L2CAP socket layer initialized
[ 4.658446] Bluetooth: SCO socket layer initialized
[ 4.803879] Bluetooth: hci0: Firmware revision 0.0 build 128 week 11 2020
[ 6.361217] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 6.361218] Bluetooth: BNEP filters: protocol multicast
[ 6.361221] Bluetooth: BNEP socket layer initialized
[ 19.087978] Bluetooth: RFCOMM TTY layer initialized
[ 19.087982] Bluetooth: RFCOMM socket layer initialized
[ 19.087985] Bluetooth: RFCOMM ver 1.11
和lspci -k -s 3b:00.0
3b:00.0 Network controller: Intel Corporation Wi-Fi 6 AX200 (rev 1a)
Subsystem: Intel Corporation Wi-Fi 6 AX200
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
再次强调，这在 Ubuntu 19.10 上是可以正常工作的。我看过一些帖子，但我无法恢复它。截至撰写本文时，系统已完全更新。有什么指示吗？