我的系统是新构建的，我在使用 ASRock B450M Pro 主板（BIOS 版本 P3.90）时遇到了一些问题。特别是我似乎找不到让 wifi 或蓝牙正常工作的方法。我一直在论坛上搜索，想找到某种方法用正确的配置更新我的系统。
我不知道这是否是我的 bios，我也不想费力购买 windows 来测试它。这是我的第一个 ubuntu 系统（摆脱了长期的 OSX 瘾）
其他详情：
#> sudo free -h
total used free shared buff/cache available
Mem: 31Gi 1.8Gi 27Gi 89Mi 1.8Gi 28Gi
Swap: 2.0Gi 0B 2.0Gi
#> sudo lshw -C memory
*-firmware
description: BIOS
vendor: American Megatrends Inc.
physical id: 0
version: P3.90
date: 12/09/2019
size: 64KiB
capacity: 16MiB
capabilities: pci upgrade shadowing cdboot bootselect socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer acpi usb biosbootspecification uefi
*-memory
description: System Memory
physical id: c
slot: System board or motherboard
size: 32GiB
*-bank:0
description: [empty]
product: Unknown
vendor: Unknown
physical id: 0
serial: Unknown
slot: DIMM 0
*-bank:1
description: DIMM DDR4 Synchronous Unbuffered (Unregistered) 2133 MHz (0.5 ns)
product: F4-3600C19-16GVRB
vendor: Unknown
physical id: 1
serial: 00000000
slot: DIMM 1
size: 16GiB
width: 64 bits
clock: 2133MHz (0.5ns)
*-bank:2
description: [empty]
product: Unknown
vendor: Unknown
physical id: 2
serial: Unknown
slot: DIMM 0
*-bank:3
description: DIMM DDR4 Synchronous Unbuffered (Unregistered) 2133 MHz (0.5 ns)
product: F4-3600C19-16GVRB
vendor: Unknown
physical id: 3
serial: 00000000
slot: DIMM 1
size: 16GiB
width: 64 bits
clock: 2133MHz (0.5ns)
*-cache:0
description: L1 cache
physical id: f
slot: L1 - Cache
size: 384KiB
capacity: 384KiB
clock: 1GHz (1.0ns)
capabilities: pipeline-burst internal write-back unified
configuration: level=1
*-cache:1
description: L2 cache
physical id: 10
slot: L2 - Cache
size: 3MiB
capacity: 3MiB
clock: 1GHz (1.0ns)
capabilities: pipeline-burst internal write-back unified
configuration: level=2
*-cache:2
description: L3 cache
physical id: 11
slot: L3 - Cache
size: 32MiB
capacity: 32MiB
clock: 1GHz (1.0ns)
capabilities: pipeline-burst internal write-back unified
configuration: level=3
#> sysctl vm.swappiness
vm.swappiness = 60
谢谢。