I'm going to guess the wi-fi drivers may not be installed if the computer was initially set up by Ethernet cable. What brand model of motherboard is it for?
Needs a driver. If you're installing Windows Pro 22H2, or Home 21H2 it requires a network to setup. Two options
Audit Mode: Press Control+Shift+F3. Install the driver, press "OK" in the sysprep box.
BypassNRO: Shift + F10
System will reboot and you'll have the offline setup option.
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