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I updated the kernel again, but still no joy.

Host: AJB-Legion Kernel: 5.0.0-16-generic x86_64 bits: 64 compiler: gcc v: 7.3.0
Desktop: Cinnamon 4.0.10 Distro: Linux Mint 19.1 Tessa base: Ubuntu 18.04 bionic

I manually installed the firmware file in /lib/firmware and now the driver shows loaded after a reboot, but still no wireless interface in network connections. Device-1: Intel Wireless-AC 9560 [Jefferson Peak] driver: iwlwifi v: kernel port: 5000 adam@AJB-Legion:~$ iwconfig enp7s0 no wireless extens...

Updating to 19.1 and upgrading the kernel to 4.18 did not fix mine. It looks like the driver is not loading. Network: Device-1: Intel Wireless-AC 9560 [Jefferson Peak] driver: N/A port: 5000 bus ID: 00:14.3 adam@AJB-Legion:~$ iwconfig enp7s0 no wireless extensions. lo no wireless extensions. adam@AJ...

I'm having the same issue with my Lenovo Y530. It worked fine until a few days ago, then the connection was erratic, then yesterday it stopped working completely. I upgraded from 19.0 to 19.1 and no joy. Other posts mentioned installing the 4.18 kernel fixed it for them, but it had no effect on my s...

Thanks. I'm going to try an external adapter for kicks.

It's still dropping out Jeremy. Can you explain what that command did? Should I reverse it?

Done. Thanks Jeremy. That had no effect on the speed. I'll post later after I have had a chance to test everything and get some operation time.

I have a Lenovo Y530 Legion that periodically drops the WiFi connection. It will usually reconnect after 30-60 seconds, or I can force it by turning off and on the wireless adapter. I changed the value in the default-wifi-powersave-on.conf file from 3 to 2 and rebooted. It had no effect. Wired works...