Wifi Adapter Not Recognized

[AZ Pete]

Hi All,

I'm having a bear of a time getting my wireless card to work in a Linux Mint 20.1 machine. The machine is my old dev box that I want to re-purpose and requires wireless connectivity to my network (it's in an area were hard line isn't available). This machine dual boots to Windows 10 and all hardware works fine in Windows. The wireless adapter connects to my network quickly and without issue. When I boot Linux it looks to me like it's not able to find the card. This card is a few years old, so it's not so new that there shouldn't be drivers for it in the kernel.

I did connect the computer via Ethernet cable today and did all system updates, but still the wifi card doesn't work.
As a side note, I've tried several USB Wifi adapters and none of them work in Linux, but all work just fine when I boot Windows.

The hardware is a PCIe wireless adapter ASUS_PCE-N53. Below is the output from lshw -C network. What does "network UNCLAIMED" mean?

Any help would be most appreciated.
Thanks
Peter

   *-network
        description: Ethernet interface
        product: 82579V Gigabit Network Connection
        vendor: Intel Corporation
        physical id: 19
        bus info: pci at 0000:00:19.0
        logical name: eno0
        version: 05
        serial: 00:22:4d:6a:26:35
        size: 1Gbit/s
        capacity: 1Gbit/s
        width: 32 bits
        clock: 33MHz
        capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
        configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=3.2.6-k duplex=full firmware=0.11-4 ip=192.168.1.115 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
        resources: irq:39 memory:f3500000-f351ffff memory:f3525000-f3525fff ioport:3040(size=32)
   *-network UNCLAIMED
        description: Network controller
        product: RT5592 PCIe Wireless Network Adapter
        vendor: Ralink corp.
        physical id: 0
        bus info: pci at 0000:07:00.0
        version: 00
        width: 32 bits
        clock: 33MHz
        capabilities: pm msi pciexpress bus_master cap_list
        configuration: latency=0
        resources: memory:f3200000-f320ffff


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