Intel Iwlwifi Wifi Issues on a new installation

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For the issue related to connectivity after sleep you could consider this one.
Be careful, it is written for a different card and driver but the concept should remain.

RTL8822CE WiFi problems (Asus TUF Gaming A15)

Generally if your WiFi isn't working after suspension then you can correct this by writing a service. The service unloads your network components prior to suspension, and then reloads them after resuming. Create the service file: /etc/systemd/system/network-restart.service With the following contents: # cat /etc/systemd/system/network-restart.service # systemctl enable --now network-restart.service # systemctl start network-restart.service # systemctl stop network-restart.service # systemctl…