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Updated 20.04 this morning, and now the touchpad is frozen and I can't connect to the internet.

nmcli d gives:

DEVICE     TYPE     STATE        CONNECTION
virbr0     bridge   disconnected --
lo         loopback unmanaged    --
vurbr0-nic tun      unmanaged    --

Am hoping that if I can get connected to the internet I can try to update again, in order to resolve the touchpad issue, but not sure how to start trying to fix this or even what information would be useful in terms of getting some advice.

Any help much appreciated.

Edits follow:

Hardware: Lenovo Legion 5

Ubuntu: 20.04 desktop

I can't see all the results from sudo lshw -C network because the terminal window is quite small, and I can't resize because the touchpad is frozen. But I can see:

*-network UNCLAIMED
description: Ethernet controller
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:07:00.0
version: 15
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list
configuration: latency=0
resources: ioport:3000(size=256) memory c220400-c2204fff memory:c2200000-c2203fff
*-network DISABLED
description ethernet interface
physical id: 3
logical name: virbr0-nic
serial: 52:54:00:95:c7:f9
size: 10Mbit/s
capabilities: ethernet physical
configuration: autonegotiation=off broadcast=yes driver=tun driverversion=1.6 duplex=full link=no multicast=yes port=twisted pair speed=10Mbit/s

cat /etc/network/interfaces gives "No such file or directory"

And cat /etc/netplan/*.yaml gives:

#Let NetworkManager manage all devices on this system
network:
  version: 2
  renderer: NetworkManager
erk
  • 1

1 Answers1

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Note: You need to figure out how to disable your VPN during testing.

Your /etc/netplan/*.yaml file is incorrect. Change it to look like this... keep indentation and spacing the same...

change:

#Let NetworkManager manage all devices on this system
network:
version: 2
renderer: Network Manager

to this:

# Let NetworkManager manage all devices on this system
network:
  version: 2
  renderer: NetworkManager

sudo netplan generate

sudo netplan apply

reboot

Update #1:

Time to backup important files and reinstall Ubuntu.

heynnema
  • 73,649