Ubuntu系统WiFi每15秒随机断开的故障排查求助

大家好，我两天前刚自己装了Ubuntu，现在遇到个头疼的问题：WiFi每隔15秒左右就会随机断开，完全不知道该怎么解决，提前谢谢各位大佬帮忙！

补充信息（编辑后） #

谢谢大家关注我的问题，下面是相关细节：

• 我试过重启WiFi，但完全没用
• 没法连接其他WiFi，而且热点功能也用不了
• 发现一个奇怪现象：一旦弹出“无网络”提示页，网络又立刻恢复正常了
• 我原本连接的是信道4的WiFi，信号肯定没问题——这台PC是唯一出问题的2.4GHz设备，离路由器也不远
• 我试过把信道改成13，想着高频段可能会有改善，但还是没用
• 不是双系统，装了第三方显卡驱动，不确定系统更新状态

网络扫描结果 #

lo        Interface doesn't support scanning.

enp5s0    Interface doesn't support scanning.

wlxd03745c121bc  Scan completed :

Cell 01 - Address: F4:F6:47:06:55:90
ESSID:"Yettel_065590"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.427 GHz (Channel 4)
Encryption key:on
Bit Rates:144 Mb/s
Extra:rsn_ie =30140100000fac040100000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD310050F204104A000110104400010210470010BC329E001DD811B28601F4F647065590103C0001011049000600372A000120
Quality=0/100  Signal level=4/100

Cell 02 - Address: 60:32:B1:2B:01:34
ESSID:"Novak"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.412 GHz (Channel 1)
Encryption key:on
Bit Rates:300 Mb/s
Extra:rsn_ie =30180100000fac020200000fac02000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD310050F204104A000110104400010110470010000000000000100000006032B12B0134103C0001011049000600372A000120
Quality:0  Signal level:0  Noise level:0

Cell 03 - Address: 3A:6B:1C:0D:88:65
ESSID:"Stefan&Ana"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.412 GHz (Channel 1)
Encryption key:on
Bit Rates:300 Mb/s
Extra:wpa_ie =dd160050f20101000050f20401000050f20401000050f202
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Extra:rsn_ie =30140100000fac040100000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Quality:0  Signal level:0  Noise level:0

Cell 04 - Address: 5C:76:95:85:E4:01
ESSID:"Dejanovic"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.412 GHz (Channel 1)
Encryption key:on
Bit Rates:144 Mb/s
Extra:rsn_ie =30140100000fac040100000fac040100000fac020c00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD310050F204104A000110104400010210470010BB6A092D42380024C8808E1A7AA9C294103C0001031049000600372A000120
Quality:0  Signal level:0  Noise level:0

Cell 05 - Address: C4:69:F0:C5:5D:34
ESSID:"Jovan"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.442 GHz (Channel 7)
Encryption key:on
Bit Rates:144 Mb/s
Extra:wpa_ie =dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:rsn_ie =30180100000fac020200000fac04000fac020100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD2C0050F204104A000110104400010210470010138140001DD211B2ADEFC469F0C55D2D1049000600372A000120
Quality:0  Signal level:0  Noise level:0

Cell 06 - Address: 20:AB:48:32:AE:2C
ESSID:"TS-8Z2a"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.442 GHz (Channel 7)
Encryption key:on
Bit Rates:144 Mb/s
Extra:wpa_ie =dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:rsn_ie =30180100000fac020200000fac04000fac020100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD2C0050F204104A000110104400010210470010138140001DD211B2BD0720AB4832AE231049000600372A000120
Quality:0  Signal level:0  Noise level:0

Cell 07 - Address: B4:1C:30:A7:C4:DA
ESSID:"ZTE_A7C4DA"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.457 GHz (Channel 10)
Encryption key:on
Bit Rates:144 Mb/s
Extra:rsn_ie =30140100000fac040100000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Quality:0  Signal level:0  Noise level:0

系统硬件信息 #

System:
Kernel: 6.2.0-36-generic x86_64 bits: 64 compiler: N/A Desktop: GNOME 42.9
Distro: Ubuntu 22.04.3 LTS (Jammy Jellyfish)
Machine:
Type: Desktop Mobo: ASUSTeK model: PRIME A320M-K v: Rev X.0x
serial: <superuser required> UEFI: American Megatrends v: 4029
date: 11/30/2018
CPU:
Info: quad core model: AMD Ryzen 3 1200 bits: 64 type: MCP arch: Zen rev: 1
cache: L1: 384 KiB L2: 2 MiB L3: 8 MiB
Speed (MHz): avg: 1414 high: 1550 min/max: 1550/3100 boost: enabled
cores: 1: 1358 2: 1550 3: 1375 4: 1375 bogomips: 24750
Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
Graphics:
Device-1: NVIDIA GP107 [GeForce GTX 1050] vendor: ASUSTeK driver: nvidia
v: 535.113.01 bus-ID: 07:00.0
Device-2: Logitech Webcam C270 type: USB driver: snd-usb-audio,uvcvideo
bus-ID: 3-3.2:5
Display: x11 server: X.Org v: 1.21.1.4 driver: X: loaded: nvidia
unloaded: fbdev,modesetting,nouveau,vesa gpu: nvidia
resolution: 1920x1080~60Hz
OpenGL: renderer: NVIDIA GeForce GTX 1050/PCIe/SSE2
v: 4.6.0 NVIDIA 535.113.01 direct render: Yes
Audio:
Device-1: NVIDIA GP107GL High Definition Audio vendor: ASUSTeK
driver: snd_hda_intel v: kernel bus-ID: 07:00.1
Device-2: AMD Family 17h HD Audio vendor: ASUSTeK driver: snd_hda_intel
v: kernel bus-ID: 09:00.3
Device-3: Logitech Webcam C270 type: USB driver: snd-usb-audio,uvcvideo
bus-ID: 3-3.2:5
Sound Server-1: ALSA v: k6.2.0-36-generic running: yes
Sound Server-2: PulseAudio v: 15.99.1 running: yes
Sound Server-3: PipeWire v: 0.3.48 running: yes
Network:
Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
vendor: ASUSTeK PRIME B450M-A driver: r8169 v: kernel port: f000
bus-ID: 05:00.0
IF: enp5s0 state: down mac: <filter>
Device-2: TP-Link TL-WN722N v2/v3 [Realtek RTL8188EUS] type: USB
driver: r8188eu bus-ID: 3-4:4
IF: wlxd03745c121bc state: up mac: <filter>
Drives:
Local Storage: total: 223.57 GiB used: 19.51 GiB (8.7%)
ID-1: /dev/sda vendor: A-Data model: SU630 size: 223.57 GiB
Partition:
ID-1: / size: 218.51 GiB used: 19.51 GiB (8.9%) fs: ext4 dev: /dev/sda2
ID-2: /boot/efi size: 511 MiB used: 6.1 MiB (1.2%) fs: vfat
dev: /dev/sda1
Swap:
ID-1: swap-1 type: file size: 2 GiB used: 0 KiB (0.0%) file: /swapfile
Sensors:
Message: No sensor data found. Is lm-sensors configured?
Info:
Processes: 283 Uptime: 2h 9m Memory: 7.67 GiB used: 3.1 GiB (40.4%)
Init: systemd runlevel: 5 Compilers: gcc: N/A Packages: 1822 Shell: Bash
v: 5.1.16 inxi: 3.3.13

更新：问题已解决！ #

终于搞定了！非常感谢社区的帮助，尤其是Raffles，试了好多方法帮我修复WiFi！以后如果再遇到问题我会再来请教大家的~

备注：内容来源于stack exchange，提问作者Stefan Miljković