Sudo modprobe -r ath10k_pci & modprobe ath10k_pci What worked in my case was to eject and inject the driver. If the kernel doesn't read the region, check this. setting regulatory region I thought that may be the solution, but it wasn't in my case.How can I change an Atheros wireless NIC region (regulatory domain) in Ubuntu?.22.04: WiFi an order of magnitude slower than in Windows.My Qualcomm Atheros QCA9377 Wireless adopter is not working in Ubuntu 20.04 LTS (Vendor: Lenovo Model:E41-25).SOLVED: WLAN ath5k: regulatory domain set but it is ignored?.None of the tried methods brought a significant change to the Wifi speed. Switching the backend component controlling wireless connectivity from wpa_supplicant to iwd setting it up manually.My kernel is the latest currently available (6.2.0-37-generic). Somebody solved the problem by up/down-grading to different version of kernel, but I prefer not to mess with it.Trying 2.4Ghz band (also worse than on other systems).Splitting the network into two separate 1 for each band (I did this by changing fiber optic modem mode from open to router in operator's web-app interface).Checking for Additional drivers(that's the name of Ubuntu app).Removing # before precedence ::ffff:0:0/96 100 in.Options cfg80211 ieee80211_regdom=XX (my country alpha2 code) to etc/modprobe.d/nf Ipv6 method in the settings of currently used network entered via Gnome interface: automatic changed to disabled.sudo apt install -reinstall linux-firmware.$ sudo dmesg | grep ath | egrep "regdomain|Country" $ lsmod | grep ath10k(=name of the wireless network adapter driver) In my case the hardware is Qualcomm Atheros QCA9377 802.11ac, so the above solution isn't suitable. If it's Intel's the solution may be to add line options iwlwifi 11n_disable=8 to the file /etc/modprobe.d/nf or change the value of this parameter to 8 if the line's already there. The connection has download speed around 21-26 Mb/s and similar upload, while on Windows and on iOS the download is 330-360 Mb/s.įirst thing You have to check in solving this problem is the Wireless Network Adapter(WNA) You have in your computer, second is the relevant Ubuntu driver for this WNA. Realtek High Definition Audio Drivers R2.74 Windows 2000, Windows XP/2003(32/64 bits) (ZIP file) (30.WiFi is much slower on Ubuntu 22.04 LTS than on Windows 10.Realtek High Definition Audio Drivers (2k/2k3/XP) R2.74 (Executable file) (30.5 MB).(Old version R2.74 Drivers and Utilities): Realtek HD Audio Driver (Windows 32-bit only) (207 Mb).
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