在我的笔记本电脑中，我使用了 debian 9，蓝牙运行良好。在蓝牙不起作用之后，我已将 debian 更新到 10 版本。我不太擅长 linux。你能帮助我吗？
lspci -nnk | grep -iA3 net; lsusb; dmesg | egrep -i 'blue|firm'
00:19.0 Ethernet controller [0200]: Intel Corporation Ethernet Connection I218-LM [8086:155a] (rev 04)
Subsystem: Lenovo ThinkPad X240 [17aa:2214]
Kernel driver in use: e1000e
Kernel modules: e1000e
03:00.0 Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b2] (rev 83)
Subsystem: Intel Corporation Dual Band Wireless-AC 7260 [8086:c270]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
Bus 001 Device 002: ID 8087:8000 Intel Corp. …