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How to fix unstable WIFI connection?

bo flag

since a few days my wifi connection is unstable. for some moments it works and then it crashes. What further question do I need to ask for the solution? is this a general problem?

edit: ubuntu 22.04

lspci -knn | grep Net -A3

Network controller: MEDIATEK Corp. MT7921 802.11ax PCI Express Wireless Network Adapter 
Subsystem: Lite-On Communications Inc Device
Kernel driver in use: mt7921e
Kernel modules: mt7921e

sudo dmesg | grep mt7921e

[    2.405415] mt7921e 0000:02:00.0: enabling device (0000 -> 0002)
[    2.423465] mt7921e 0000:02:00.0: ASIC revision: 79610010
[    2.530153] mt7921e 0000:02:00.0: HW/SW Version: 0x8a108a10, Build Time: 20220209150832a
[    2.793200] mt7921e 0000:02:00.0: WM Firmware Version: ____010000, Build Time: 20220209150915
[    2.826025] mt7921e 0000:02:00.0: Firmware init done
[    3.629627] mt7921e 0000:02:00.0 wlp2s0: renamed from wlan0

uname -r

5.15.0-58-generic
Pilot6 avatar
cn flag
There may be a ton of reasons. You didn't provide any information at all.
paddygree avatar
bo flag
is there a command were I can get these informations?
Pilot6 avatar
cn flag
Wi-Fi problems may be related with hardware, neighbor APs and many other reasons. To see which hardware you are using, you can run `lspci -knn | grep Net -A3`.
paddygree avatar
bo flag
thanks, just refreshed my question
Pilot6 avatar
cn flag
Now you can get a log by `sudo dmesg | grep mt7921e`
Pilot6 avatar
cn flag
And what is the kernel version?
paddygree avatar
bo flag
how to know the kernel version?
Pilot6 avatar
cn flag
All looks good. Check logs when Wi-Fi disconnects.
chili555 avatar
cn flag
Please add: `sudo dmesg | grep wlp` Welcome to Ask Ubuntu.
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