Open up Konsole and enter these commands:
sudo apt update
sudo apt install lshw
sudo lshw -C network
This will produce several paragraphs - one for each network adapter. Look for the one referring to your wireless adapter. Something like this:
Code:
*-network description: Wireless interface product: Wireless 7260 vendor: Intel Corporation physical id: 0 bus info: pci@0000:03:00.0 logical name: wlp3s0 version: bb serial: ac:fd:ce:21:ac:0f width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlwifi driverversion=5.4.0-67-generic firmware=17.948900127.0 latency=0 link=no multicast=yes wireless=IEEE 802.11 resources: irq:33 memory:f7c00000-f7c01fff
Depending on how your wifi is attached to the motherboard, either lspci or lsusb will probably list it also. Mine is wired to the PCI bus, so lspci produces:
Code:
03:00.0 Network controller: Intel Corporation Wireless 7260 (rev bb)
As far as the touch screen, you state "...stopped working". Does that me it worked with Kubuntu initially then stopped or it never worked with Kubuntu? Touch screens are still hit-or-miss with Linux, but you might want to check in System Settings and see if it's just turned off.
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