Question #693652 on Ubuntu changed:
https://answers.launchpad.net/ubuntu/+question/693652

actionparsnip posted a new comment:
Hello,
I recently installed Ubuntu 20.4 on a laptop in dual boot with Vista.
When the computer goes to sleep and I want to wake it up, the screen is 
unreadable (white and black lines, pixelated parts. Impossible to take control 
without doing a hard reboot.

I saw on forums that it was necessary to use proprietary drivers.
Obviously I am using the new driver. But I didn't understand how to find
the right driver.

pierre @ portable-vista: ~ $ ubuntu-drivers devices
== /sys/devices/pci0000:00/0000:00:1c.0/0000:02:00.0 ==
modalias: pci: v000014E4d00004315sv0000103Csd0000137Dbc02sc80i00
vendor: Broadcom Inc. and subsidiaries
model: BCM4312 802.11b / g LP-PHY (BCM4312 802.11b / g Wireless LAN Controller)
driver: bcmwl-kernel-source - non-free distro

== /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0 ==
modalias: pci: v000010DEd000006E8sv0000103Csd000030F4bc03sc00i00
vendor: NVIDIA Corporation
model: G98M [GeForce 9200M GS]
driver: nvidia-340 - distro non-free recommended
driver: xserver-xorg-video-new - distro free builtin

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