What "checking Wi-Fi availability" really means
When your Wi-Fi menu comes up empty, three situations can be behind it, each pointing to a different fix.
No Wi-Fi adapter to use. Some computers have a physical or keyboard switch that disables the Wi-Fi hardware. With the adapter off, the device cannot scan at all, so the list is empty rather than "nothing in range."
No network in range. The hardware is working and scanning, but nothing it can see is close enough or on a band the device supports.
A network exists but is not visible. Some networks are set not to broadcast their name (a hidden SSID), or the device is looking on the wrong band or channel, so the network never appears in the normal list.
Separating these three saves time. Run the checks below in order rather than jumping to the router.
Quick first checks that apply to every device
Confirm Wi-Fi is turned on (not just the list)
A frequent reason a list looks empty is that Wi-Fi is simply off. Find the Wi-Fi icon in the main system area — on phones, the status bar or quick settings; on computers, the taskbar or menu bar. If Wi-Fi is disabled there, turn it back on first. Obvious, but this ends many "no networks found" moments.
Check Airplane Mode and the physical/keyboard Wi-Fi switch
Airplane Mode is another fast possibility to rule out. When active, it disables wireless radios including Wi-Fi, so the list goes empty even though the network itself is fine. Toggle Airplane Mode off and check again.
Laptops may also have a dedicated key or physical switch for Wi-Fi; check whether it got bumped off. These are not "the" cause for every user — just the two quickest possibilities to test.
Restart order that resolves most empty-list cases
If Wi-Fi is on and no switch is at fault, run this restart order in sequence. It clears the most common software states that hide networks.
Toggle Wi-Fi off and on
Turn Wi-Fi off, wait a few seconds, and turn it back on. This resets the radio connection state without disturbing anything else. Reopen the list and let it rescan.
Restart the device
If toggling does not help, restart the device. A fresh start clears temporary states that leave the radio stuck in a "connected but scanning" limbo.
Restart the router/modem and wait for lights to stabilize
Then power-cycle the router and modem: turn them off, wait, and turn them back on, letting the lights stabilize before checking again. This clears the equipment side, which matters when the router itself is in a bad state.
Device-by-device steps for checking availability
Exact menus and icon positions differ by operating system version and device model, so find the equivalent setting rather than one universal path.
- Windows: Look for the Wi-Fi icon in the taskbar area and open the network list from there. If it is missing or greyed out, check Network & Internet settings for the wireless section and confirm Wi-Fi is enabled.
- macOS: Use the Wi-Fi icon in the menu bar. If it is not visible, open System Settings and find the network or Wi-Fi section to confirm the radio is on.
- iPhone and iPad: Swipe to open Control Center and check the Wi-Fi toggle, then confirm in Settings that Wi-Fi is on.
- Android: Open Quick Settings and check the Wi-Fi tile, then look in the main Settings Wi-Fi section.
Every device shares the same key check: is the radio on, and does the scan list refresh?
When the list is still empty: router-side reasons
If every device in the home shows the same empty list, the problem is more likely on the network side.
Hidden SSID and whether your network is broadcast
Some networks are configured not to broadcast their name. The network is available but will not appear in the scan list, so an empty list can be misleading. Confirm this with the router's settings or whoever set it up — a router-side configuration, not a device fault.
Distance, walls, and temporary interference
A device far from the router, behind heavy walls, or near temporary interference may simply not detect the network even when it is healthy. Move closer and rescan before assuming hardware failure.
Router channel or band not supported by the device
Routers broadcast on different bands and channels, and an older device may not support the band a newer router uses by default. Try changing the band in the router settings or check device support. Treat it as a possibility to test, not a proven cause.
When to stop self-diagnosing
Signs it is an ISP or outage problem
If the empty list affects the whole household and you have already power-cycled the router and modem, the issue may be upstream. An outage or connection-point fault can make every network disappear at once.
When to contact your ISP or device manufacturer
If the ordered checks are done and the list is still empty on every device, self-diagnosis has reached its limit. Contact your ISP for an outage check, or the device manufacturer for hardware diagnostics. This is a self-diagnostic path, not a guarantee; persistent cases may need professional equipment testing.
Bottom line
Quick recap checklist, in the order to test
- Turn Wi-Fi on.
- Turn Airplane Mode off; check any Wi-Fi switch.
- Toggle Wi-Fi off and on.
- Restart the device.
- Restart router and modem; wait for lights to stabilize.
- Check whether other devices are affected.
- If hidden, confirm the network broadcasts; check distance and band support.
- Contact your ISP or device manufacturer if the steps do not help.
Exact menu names and icon positions vary by OS version, device model, and router firmware. Work the list in order — most empty-list situations resolve before you need to call anyone.
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