InstallationDate: Installed on (23 days ago) dev/snd/ controlC0: soumadeepsarkar1 1797 F. dev/snd/ controlC1: soumadeepsarkar1 1797 F.
com/Kernel/ MainlineBuilds? Please mention what specific version of the mainline kernel you tested with in your report. Does this problem occur in the newest mainline kernel following https:/ /wiki.ubuntu. did the problem happen in a prior Ubuntu release)? If so, what release specifically did it last work with? If you do not know, could you please test for this in the earliest release of Ubuntu that is supported as per Ubuntu Releases?Īns: I don't know if it is a regression and I cannot test for this in another release of Ubuntu.ĩ. Does the issue occur with different WAPs?Ĩ. If you bring the device close to the WAP and eliminate obstructions, does this change anything?ħ. What is the number and type of obstructions between your device and the WAP?Ħa.
What is the distance of the wireless device from the WAP?Ħ. Does another wireless device tested with the WAP have the same problem as the hardware you initially reported with?ĥ. If you change frequency does it change anything?Ĥ. What frequency are you using (2.4GHz, 5GHz, etc.)?ģp. Sudo iw dev wlo1 scan | grep -i "ds parameter set"ģg. Sudo iw dev wlan0 scan | grep -i "ds parameter set"Īns: password for soumadeepsarkar1: In order to understand the wireless environment your WAP is working in, please provide the output of the following terminal command: If you switch to a different wireless type (802.11g or 802.11n if you are using 802.11g) does this change anything?Īns: Yes, in the 5ghz 802.11ac type, the speed is very normally very good.ģf. Regarding your wireless Access Point (WAP):ģc. If you update your BIOS to the newest version following the guide here, does this change anything?ģ. What is the full computer model number?Ģ. I don't think it is a problem of my wifi router because in Windows OS running on the same laptop, I mostly get speeds of around 40mbps when connected to the 2.4 ghz network.ġ. But the driver works fine when connected to a 5ghz network, easily reaching speeds of over 80mbps. When I connect to a 2.4 ghz network, the internet speed is very slow, it rarely goes above 4mbps. I am using the Realtek 8821C PCIE Wifi driver that is provided in the Additional drivers app of Ubuntu.
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