I have a Dell Optiplex 7010 that has a couple of problems I'm trying to get sorted.   It has Kubuntu 20.04 with 32GB RAM.  The ssd it boots from is less than half full.  Over the weekend the Ethernet adapter which is on the motherboard started acting up. When I first boot the machine for the day, it doesn't detect the Ethernet adapter.  I first replaced the cable connecting it to the router, but that didn't bring the network back.  I rebooted the machine and it detected the Ethernet adapter.    Now every time I reboot it, there's no network, and I have to reboot it again to the the network.  Any idea what might be causing this?  If the Ethernet adapter is going bad, would a USB Ethernet adapter or an internal one that uses the PCI slot be better?

Now for the other problem.  The device notifier is supposed to pop up showing the storage device I plugged in and give me the option to mount it.  Several months ago it started showing every drive in the machine as a removable drive and giving me the option to unmount any that are mounted, including the drives inside the case.  I looked online for help with this and found a change to some config file that would hide those internal drives.  A few days ago I swapped out a drive in it and now that device notifier doesn't always show drives I attach to the system to do backups. I can't remember what config file I changed, so I can't undo whatever it was I did months ago.  Does anyone know what I messed up?


Thanks

Jim

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