I bought a dell g3 15 a couple of weeks ago, and with this machine, the wireless connection drops regularly, sometimes coming back quickly, sometimes asking another time to confirm the password.

My other devices don't have the problem.

with dmesg, I see

root@machine:~# dmesg | tail -15

[ 8233.789105] wlp0s20f3: associated

[ 8235.316578] wlp0s20f3: deauthenticated from 5c:7d:5e:ff:4c:ee (Reason: 7=CLASS3_FRAME_FROM_NONASSOC_STA)

[ 8235.426129] wlp0s20f3: authenticate with 5c:7d:5e:ff:4c:ee

[ 8235.430130] wlp0s20f3: send auth to 5c:7d:5e:ff:4c:ee (try 1/3)

[ 8235.453413] wlp0s20f3: authenticated

[ 8235.458847] wlp0s20f3: associate with 5c:7d:5e:ff:4c:ee (try 1/3)

[ 8235.462778] wlp0s20f3: RX AssocResp from 5c:7d:5e:ff:4c:ee (capab=0x11 status=0 aid=5)

[ 8235.467597] wlp0s20f3: associated

[ 8249.169987] wlp0s20f3: deauthenticated from 5c:7d:5e:ff:4c:ee (Reason: 7=CLASS3_FRAME_FROM_NONASSOC_STA)

[ 8249.245887] wlp0s20f3: authenticate with 5c:7d:5e:ff:4c:ee

[ 8249.249177] wlp0s20f3: send auth to 5c:7d:5e:ff:4c:ee (try 1/3)

[ 8249.273760] wlp0s20f3: authenticated

[ 8249.281098] wlp0s20f3: associate with 5c:7d:5e:ff:4c:ee (try 1/3)

[ 8249.286273] wlp0s20f3: RX AssocResp from 5c:7d:5e:ff:4c:ee (capab=0x11 status=0 aid=5)

[ 8249.289137] wlp0s20f3: associated

The system info I could gather

root@machine:~# lspci | grep Wi

00:14.3 Network controller: Intel Corporation Wi-Fi 6 AX201

root@machine:~# lsmod | grep wifi

iwlwifi               364544  1 iwlmvm

cfg80211              782336  3 iwlmvm,iwlwifi,mac80211

root@machine:~# iwconfig 

lo        no wireless extensions.



enp4s0    no wireless extensions.



wlp0s20f3  IEEE 802.11  ESSID:"WLAN-4CEE84"  

          Mode:Managed  Frequency:2.462 GHz  Access Point: 5C:7D:5E:FF:4C:EE   

          Bit Rate=72.2 Mb/s   Tx-Power=22 dBm   

          Retry short limit:7   RTS thr:off   Fragment thr:off

          Encryption key:off

          Power Management:on

          Link Quality=67/70  Signal level=-43 dBm  

          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0

          Tx excessive retries:0  Invalid misc:7   Missed beacon:0

root@machine:~# lshw -C network

  *-network                 

       description: Wireless interface

       product: Wi-Fi 6 AX201

       vendor: Intel Corporation

       physical id: 14.3

       bus info: pci@0000:00:14.3

       logical name: wlp0s20f3

       version: 00

       serial: 70:9c:d1:f1:d3:6c

       width: 64 bits

       clock: 33MHz

       capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical wireless

       configuration: broadcast=yes driver=iwlwifi driverversion=5.8.0-44-generic firmware=55.d9698065.0 QuZ-a0-jf-b0-55.u ip=192.168.2.105 latency=0 link=yes multicast=yes wireless=IEEE 802.11

       resources: iomemory:600-5ff irq:16 memory:6001b1c000-6001b1ffff

  *-network

       description: Ethernet interface

       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller

       vendor: Realtek Semiconductor Co., Ltd.

       physical id: 0

       bus info: pci@0000:04:00.0

       logical name: enp4s0

       version: 15

       serial: 34:73:5a:b8:8e:02

       width: 64 bits

       clock: 33MHz

       capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical

       configuration: broadcast=yes driver=r8169 latency=0 multicast=yes

       resources: irq:17 ioport:3000(size=256) memory:83104000-83104fff memory:83100000-83103fff

Does anyone know how to fix or debug this?