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wireless
intel-wireless
iwlwifi
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URL:
https://askubuntu.com/q/1051319
Title:
Ubuntu 18.04 Wifi slow on HP Laptop with Intel Centrino Wireless-N 2230 & Realtek RTL8111/8168/8411 PCI
ID:
/2018/07/01/Ubuntu-18.04-Wifi-slow-on-HP-Laptop-with-Intel-Centrino-Wireless-N-2230-_-Realtek-RTL8111_8168_8411-PCI
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July 1, 2018
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From: Ubuntu Forums - Intel Centrino Wireless-N 2230 connection is very slow
Success was found using:
echo "options iwlwifi 11n_disable=8" | sudo tee -a /etc/modprobe.d/iwlwifi.conf
Of course since you’ve alread setup the iwlwifi option you can simply change the 0 to an 8.
Apparently 0 was old school and 8 is for newer drivers (sometime before September 2014 when OP posted question).