I'm experiencing a frustrating issue with my Linux setup where it refuses to detect a particular Wi-Fi network that I rely on when my main one isn't working. I've tried several Linux distributions, including Linux Mint, Kubuntu 25.10, Fedora, and Ubuntu 25.10, but none of them can find this network. Interestingly, an older version, Ubuntu 24.04, was able to detect it at one point, but now it doesn't show up either. My laptop, an Acer Extensa 215-52, picks up this network just fine when I boot into Windows 10 or 11, and even my phone can see it without any problems. Currently, I'm using Kubuntu 25.10, and the Wi-Fi router is three floors above me. I've even noticed that Ubuntu 24.04 can see the 5 GHz version of the network when I bring my laptop closer, but still can't find the 2.4 GHz version. Unfortunately, after a while, even the 5 GHz version disappears. It feels like Acer has made this model particularly unfriendly to Linux users. What can I do to resolve this Wi-Fi issue? I often have to switch to Windows just to get online when things go wrong with my Linux setup.
2 Answers
It sounds like it could be a driver issue with your wireless card. I'd suggest looking up your Wi-Fi card model online to see if there are any known problems or solutions. You can check what your Wi-Fi card is using the commands 'lsusb' and 'lspci' to list your hardware devices.
Have you tried checking if your Wi-Fi power-saving feature is turned on? Sometimes it can automatically disable your Wi-Fi when it thinks you're not using it. You might want to look into that setting.
I didn’t know about that setting. Is it something that's enabled by default on most distributions?
Is this the information I need?
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Network controller: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter (rev 31)
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