
Understanding the problem
An adapter only appears in your settings when its driver loads cleanly and the system recognises the hardware behind it. If that driver becomes corrupted, is removed, or is unsettled by an update, the operating system loses its handle on a card that is physically still present. The adapter can also be switched off in firmware or settings, or a card inside the machine may have worked loose at its connector. To the user the device seems to have vanished, when in truth the software has simply stopped acknowledging hardware that remains in place.
Symptoms
- No wireless or wired options appear in the network settings
- The list of adapters is empty or shows an error
- Networking worked yesterday and has vanished today
- The system reports a device with a problem in its hardware list
Likely causes
- 1A driver that has become corrupted or been removed
- 2The adapter disabled in settings or in firmware
- 3A recent system update that disturbed the device configuration
- 4A loose internal card or connector inside the machine
- 5A genuine hardware failure of the adapter
What to observe and check
- Observe whether the hardware list shows the adapter with a warning or not at all
- Note if the loss followed a recent update or settings change
- Watch whether a temporary external adapter restores networking, isolating the built-in one
- Check whether the adapter is switched off in firmware before assuming failure
Step-by-step repair
1Check the hardware list
Open the system's device list and look for the adapter shown with a warning or missing entirely, which separates a software fault from truly absent hardware.
2Confirm it is not disabled
Check the settings and firmware switches and turn the adapter back on if it has been disabled, before assuming the card has failed.
3Reinstall the adapter driver
Let the system load a fresh driver so a corrupted or removed one no longer hides a card that is physically still present.
4Roll back a recent update
If the adapter vanished right after a system update, reverse that change, since an update can unsettle the device configuration.
5Confirm networking returns
Check that the adapter reappears in the network settings and offers its wireless or wired options again.
When to seek help
If reaching the adapter means opening the device, or you find heat damage inside, leave it to a qualified technician.
Reducing the chance it returns
Before approving a system update, note that networking is the kind of feature that can be disturbed by one, so be ready to confirm the adapter still appears afterwards. Avoid disabling devices in settings or firmware unless you understand what each switch controls. Where a card sits inside a desktop, seating it firmly and handling the machine gently keeps its connector secure over time. Keeping a small external adapter to hand means a single point of failure never leaves you completely offline while you investigate calmly.
Repair110 is a free, informational resource. These steps describe a careful, general approach — every device is a little different, so work slowly, back up anything you value, and prioritise your own safety. If a step feels beyond your comfort, stop and consult a qualified technician.


