First distinguish a hidden connection from absent hardware
If a Wi-Fi network is missing from the list, other networks may still be visible; that is different from the entire Wi-Fi control disappearing. This procedure is for Windows 11 laptops where Wi-Fi cannot be selected or the built-in adapter seems absent. Record what changed immediately before the disappearance, including sleep or an update.
Check Settings > Network & internet for the Wi-Fi control and confirm Airplane mode is off. Some laptops have a physical or function-key radio control; use the exact model manual to identify it rather than pressing unknown keys.
Inspect recognition and state
Restart once and reopen Device Manager > Network adapters. If a wireless entry exists, inspect Properties > General for its status. If it appears under Other devices with a generic name, compare its hardware ID to the laptop maker's listing. Device Manager's View > Show hidden devices can show previously known devices, but a faded past entry is not proof of currently detected hardware.
If the adapter shows a warning following an update, compare current driver version and consider a documented rollback where available. If it is absent even after a restart, consult manufacturer diagnostics and support for that model. Do not guess a Wi-Fi package solely from the laptop series.
- Check Wi-Fi and Airplane mode, plus any documented radio switch.
- Restart and note current Device Manager visibility and device status.
- Compare hardware ID or run maker diagnostics if the device remains absent.
Interpret the outcomes
If Wi-Fi returns after enabling a radio setting, test a connection; driver replacement was not established as necessary. If a current device shows an error, an official exact-component package may be relevant. If neither Windows nor manufacturer diagnostics can see the component, hardware or platform-level issues merit official support.
Prepare Ethernet, approved tethering or an offline package before replacing network support. Avoid disabling security features or installing a driver marketed for an unrelated adapter.
A missing Wi-Fi switch after a lid-open event should be tested again after an ordinary restart; note whether the adapter reappears. If it does, the wake transition becomes important evidence to share with the maker. If it never appears and the manufacturer's hardware test also fails to find the radio, further Windows reinstall attempts offer little diagnostic value. If it appears with a warning, save the status text and current version before making a targeted change. These three outcomes call for different next actions.