所以我在 ubuntu 20.04 上收到的 wifi 信号非常弱。我安装了 Windows 10 双启动，wifi 连接在 Windows 上发出了正确的信号，但在 ubuntu 上却没有。即使直接坐在路由器前面，最多也只能发出 2 个信号点。如果笔记本电脑距离路由器两到三英尺远，它就会完全停止检测 wifi。虽然我在 Windows 上获得了完整的信号强度，但在 ubuntu 上却没有信号。
输出iwconfig
lo no wireless extensions.
enp2s0 no wireless extensions.
wlp1s0 IEEE 802.11 ESSID:"Infinity"
Mode:Managed Frequency:2.412 GHz Access Point: 00:0E:F4:C0:85:C4
Bit Rate=1 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=20/70 Signal level=-90 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:43 Missed beacon:0
usb0 no wireless extensions.
输出lshw -C network
WARNING: you should run this program as super-user.
*-network
description: Wireless interface
product: QCA9377 802.11ac Wireless Network Adapter
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:01:00.0
logical name: wlp1s0
version: 31
serial: a8:6b:ad:62:12:df
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ath10k_pci driverversion=5.13.2-051302-generic firmware=WLAN.TF.2.1-00021-QCARMSWP-1 ip=192.168.10.14 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:134 memory:d1000000-d11fffff
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: enp2s0
version: 0c
serial: 98:40:bb:35:3c:07
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=5.13.2-051302-generic firmware=rtl8168g-2_0.0.1 02/06/13 latency=0 link=no multicast=yes port=twisted pair
resources: irq:17 ioport:e000(size=256) memory:d1204000-d1204fff memory:d1200000-d1203fff
*-network
description: Ethernet interface
physical id: 1
bus info: usb@1:2
logical name: usb0
serial: 9a:73:25:55:d7:c4
capabilities: ethernet physical
configuration: autonegotiation=off broadcast=yes driver=rndis_host driverversion=5.13.2-051302-generic duplex=half firmware=RNDIS device ip=192.168.191.34 link=yes multicast=yes port=twisted pair
WARNING: output may be incomplete or inaccurate, you should run this program as super-user.
我还检查了软件和更新以查看驱动程序是否有更新，但没有。
我也尝试降级到最新的通用内核版本。
预先感谢您的任何帮助。
编辑：
下面发布速度测试，测试中，WiFi 已连接，手机的 USB 网络共享功能也使用相同的 WiFi 连接
连接笔记本电脑 WIFI 后：
Ping: 99.974 ms
Download: 0.92 Mbit/s
Upload: 0.40 Mbit/s
使用 USB 网络共享至同一个 WIFI 连接：
Ping: 43.327 ms
Download: 4.28 Mbit/s
Upload: 1.48 Mbit/s