Likely a power-saving setting. Go to Device Manager → Network adapters → CT-WN4320Z → Properties → Advanced → Disable "Selective Suspend" or "Roaming Sensitivity" to Low.
What are you using? (e.g., Windows 11, Linux Mint) What is the Hardware ID from the Device Manager?
: Plug the device into a USB port. Windows 10 and 11 often include "Plug and Play" drivers that will automatically install the device. Manual Update : Open Device Manager (Right-click Start > Device Manager). Locate the "Network Adapters" or "Other Devices" section.