If your mic vanished after a Windows update, roll the driver back in Device Manager, Properties, Driver, Roll Back Driver. That fixes far more cases than a fresh download.
Driver Mic Windows 10: step by step
- Run the browser test above
If the meter moves, your driver is working. A driver that is broken cannot produce a signal for a browser. Stop here and look at app settings instead.
- Open Device Manager
Press Windows + X and choose Device Manager. Expand Audio inputs and outputs. Your microphone should be listed with no yellow warning triangle.
- Check the device status
Double-click the device. Under the General tab, Windows states whether the device is working properly and shows an error code if it is not.
- Try Windows Update first
Settings, Windows Update, Advanced options, Optional updates, Driver updates. This is the safest source of audio drivers and it is signed by Microsoft.
- Uninstall and reboot
Right-click the device, choose Uninstall device, and restart. Windows detects the hardware on startup and installs a clean driver by itself. This fixes the majority of corrupted-driver cases.
- Only then go to the manufacturer
If the device still fails, download from the laptop or motherboard maker's own support page. Never use a generic driver-pack site.
Driver problems and their real causes
- Microphone disappeared after an updateOpen the device Properties, Driver tab, and choose Roll Back Driver. This reverts to the version that worked before.
- Realtek audio missingRealtek onboard audio drivers come from your PC or motherboard manufacturer, not Realtek directly. Search their support pages using your model or board name.
- USB microphone not recognisedUSB mics use the built-in USB Audio class driver. Try a different port, preferably one directly on the machine rather than a hub, and avoid front-panel ports on desktops.
- Audio interfaces are the exceptionFocusrite, PreSonus, Behringer and similar interfaces do ship real drivers and control panels. Install those from the manufacturer before testing.
- Yellow triangle in Device ManagerA genuine driver fault. Uninstall the device, reboot, and let Windows reinstall. If the code persists, fetch the vendor driver for your exact model number.
Why 'update your drivers' is usually wrong advice
Windows 10 and 11 include class drivers covering nearly all standard USB and analogue audio hardware. When those work, installing a vendor driver on top adds enhancement layers that can introduce noise gates, aggressive suppression and, occasionally, silence.
The genuine driver cases are narrow: a device showing a warning triangle, a device that vanished immediately after an update, or a professional interface needing its own ASIO driver. Everything else is a permission, a default device, or an exclusive-mode conflict — all faster to check and free to undo.
Questions people ask
Are driver updater programs safe?
They are a common source of broken audio. They install mismatched versions and bundle unwanted software. Device Manager and the manufacturer's page are enough.
How do I know which driver I have?
Device Manager, Properties, Driver tab shows the provider, date and version — useful information for a support ticket.
Will reinstalling delete my settings?
Input volume and enhancement settings usually reset to defaults. Note your levels before you start.
The device works in one app only
That is not a driver issue. Each application selects its own input device and, on Windows 11, each has its own microphone permission.
Related tests
Where to go next: whether a driver is really at fault, the driver checklist, or sorting out audio drivers.
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