I installed Ubuntu 20.04 yesterday (dual boot with windows 10), and ever since i've been experiencing issues where the wifi is extremely slow. I have an intel wireless AC 9560 adapter. The speed on my windows partition is normal. I have already tried a lot of solutions. sudo modprobe -r iwlwifi && sudo modprobe iwlwifi 11n_disable=1 seems to work but it maxes my speed at 20 MBps, while on windows I can get up to 200. I have no idea what to do, so help would be very much appreciated.
Result when running sudo iwlist scan of my wifi, (there are both 2 Ghz and 5 GHz entry in my terminal).
Cell 21 - Address: XX:XX:XX:XX:XX:XX
Channel:108
Frequency:5.54 GHz (Channel 108)
Quality=49/70 Signal level=-61 dBm
Encryption key:on
ESSID:"H369A6B655A"
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000002824f11e46d
Extra: Last beacon: 56ms ago
IE: Unknown: 000B4833363941364236353541
IE: Unknown: 01088C129824B048606C
IE: Unknown: 07304E4C202401172801172C01173001173401173801173C011740011764011E68011E6C011E70011E84011E88011E8C011E
IE: Unknown: 200100
IE: Unknown: 23021100
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 2D1AEF0917FFFFFF0000000000000000000000000000000000000000
IE: Unknown: 3D166C0D1600000000000000000000000000000000000000
IE: Unknown: 7F080400000000000040
IE: Unknown: BF0CB259820FEAFF0000EAFF0000
IE: Unknown: C005016A000000
IE: Unknown: C30402020202
IE: Unknown: DDA60050F204104A0001101044000102103B00010310470010E44E7AA738D2613B7D9690C1EA15A8E51021001B4B504E20576972656C6573732052616E676520457874656E6465721023001B4B504E20576972656C6573732052616E676520457874656E6465721024000631323334353610420004323034301054000800060050F20400011011000A4B504E5F5752455F4150100800020680103C0001031049000600372A000120
IE: Unknown: DD090010180202001C0000
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
IE: Unknown: 46057208010000
and
Cell 13 - Address: XX:XX:XX:XX:XX:XX
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=58/70 Signal level=-52 dBm
Encryption key:on
ESSID:"H369A6B655A"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
24 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=0000011a1dae8653
Extra: Last beacon: 1228ms ago
IE: Unknown: 000B4833363941364236353541
IE: Unknown: 010882848B962430486C
IE: Unknown: 03010B
IE: Unknown: 2A0100
IE: Unknown: 32040C121860
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 46053208010000
IE: Unknown: 2D1ABD081BFFFFFF0000000000000000000000000000000000000000
IE: Unknown: 3D160B080400000000000000000000000000000000000000
IE: Unknown: 4A0E14000A002C01C800140005001900
IE: Unknown: 7F080500080000000040
IE: Unknown: DD750050F204104A0001101044000102103B0001031047001000000000000000000000000000000000102100035A5445102300035A54451024000631323334353610420004313233341054000800060050F2040001101100095A5445204833363941100800020000103C0001031049000600372A000120
IE: Unknown: DD090010180200001C0000
IE: Unknown: DD180 050F2020101000003A4000027A4000042435E0062322F00
dmesg | grep iwl: https://paste.ubuntu.com/p/cT38pZpnBV/ sudo dkms status: https://paste.ubuntu.com/p/NRpkgB96kw/
