It may require a driver. Right click "Start" and click "Device Manager". Check for any uninstalled devices under "Other Devices" and look under "Network Adapters". See if the WIFI card is there and if it's reporting an issue.
Glad to hear you got that resolved. Please let us know if you have any other questions.
Submit photos and a description of your PC to our build showcase
See other custom PC builds and get some ideas for what can be done
Services starting at $149.99