I recently finished my PC build using a motherboard with a built in Intel Dual Band Wireless-AC 9560. While Bluetooth is working in Ubuntu 16.04, WiFi is still not working.
I tried installing the firmware provided on Intel's website https://www.intel.com/content/www/us/en/support/articles/000005511/network-and-i-o/wireless-networking.html by copying iwlwifi-9000-pu-b0-jf-b0-34.618819.0.tgz to lib/firmware/ but this does not seem to help.
Below is some more information that might be useful:
$ dmesg | grep iwl
[ 5.535335] iwlwifi 0000:00:14.3: enabling device (0000 -> 0002)
[ 5.562102] iwlwifi 0000:00:14.3: loaded firmware version 33.610294.0 op_mode iwlmvm
[ 5.575320] iwlwifi 0000:00:14.3: Detected Intel(R) Dual Band Wireless AC 9560, REV=0x318
[ 5.620228] iwlwifi 0000:00:14.3: Microcode SW error detected. Restarting 0x0.
[ 5.620233] iwlwifi 0000:00:14.3: Not valid error log pointer 0x00000000 for Init uCode
[ 5.620273] iwlwifi 0000:00:14.3: SecBoot CPU1 Status: 0x3, CPU2 Status: 0x2339
[ 5.620274] iwlwifi 0000:00:14.3: Failed to start INIT ucode: -5
[ 5.632149] iwlwifi 0000:00:14.3: Failed to run INIT ucode: -5
sudo modprobe iwlwifi returns no output.
$rfkill list all
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
$ uname -a
Linux xx 4.13.0-43-generic #48~16.04.1-Ubuntu SMP Thu May 17 12:56:46 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
