Slow wifi

|=== |Download|Upload |55 Mbps |3.21 Mbps |=== My wifi was very slow and i was thinking about changing my network adapter. But first i've looked to the characteristics of my current network card : [source,bash] ---- # lspci 01:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter ---- After some research it can go up to 433Mbps, maybe the problem is somewhere else. I've found that the manufacturer has made some drivers for linux. [source,bash] ---- paru -Ss rtl8821ce aur/rtl8821ce-dkms-git 1.0.5.r36.gca4abd8-1 [+36 ~0.00] [Installés : 1.0.5.r176.g1bbfc35-1] rtl8821CE driver with firmware ---- Here are the steps to install them : * Install the driver from the AUR repository (i use paru but you can use yay or any other method) [source,bash] ---- paru -S rtl8821ce-dkms-git ---- * Blacklist the kernel driver [source,bash] ---- #/etc/modprobre.d/blacklist.conf #blacklist the wifi builtin kernel driver blacklist rtw88_8821ce ---- * Reboot * Results : |=== |Download|Upload |108 Mbps |26.79 Mbps |=== And near the router : |=== |Download|Upload |214.09 Mbps |275.08 Mbps |===