Backblaze is a great backup solution. They publish drive stats and even show you the hardware they use.

https://www.backblaze.com/cloud-storage/resources/hard-drive-test-data

https://www.backblaze.com/cloud-storage/resources/storage-pod

Did your computer lose its bios settings lately? Check to see if it’s set to ahci and not raid if using a single, non-raid disk.

You can try some of the suggestions at https://www.linuxquestions.org/questions/linux-newbie-8/how-can-we-fix-this-no-irq-handler-for-vector-4175692269/, too.

Good luck

Try using 1.1.1.1 or 8.8.8.8 as the external DNS in your router for testing. Does it work then?

Also, you may have DNS cached somewhere. You can flush your Windows DNS cache by typing ipconfig /flushdns in a command prompt.