Check whether your webcam is already on
Before you hunt for settings, your webcam may already be active. Open any video app that uses a camera — Zoom, Google Meet, Skype, or the built-in Camera app — and see if video appears. If you see yourself or a live feed, your webcam is on and working.
If the app shows a black screen or says "no camera found," the webcam is either disabled in your operating system, blocked by app permissions, or physically disconnected. The steps below will help you find which one.
Key Takeaways
- Most webcams are built into your laptop or connected by USB, and Windows or Mac controls whether they are on or off at the system level.
- In Windows 10 and 11, open Settings > Privacy & Security > Camera to turn the camera on and check which apps can use it.
- On Mac, go to System Settings > Privacy & Security > Camera to allow apps to use your webcam.
- If your webcam still does not work after enabling it, restart your computer, check that the USB cable is plugged in (if external), and look for a physical switch or light on the camera itself.
- Some apps require you to grant camera permission individually before they can access your webcam, even if the camera is on at the system level.
Turn on your webcam in Windows 10 or 11
Open the Settings app by pressing the Windows key and typing "Settings," then press Enter. Click Privacy & Security on the left side of the window.
Scroll down and click Camera. At the top, you will see a toggle that says "Camera access." If it is off (gray), click it to turn it on (blue). This enables your webcam at the system level.
Below that toggle, you will see a list of apps. Turn on the toggle next to any app you want to use your webcam with — for example, Zoom, Google Chrome, or Skype. If an app is not listed, it may not have requested camera permission yet; open the app and look for a camera or video icon, which usually triggers a permission request.
Turn on your webcam on Mac
Click the Apple menu in the top-left corner and select System Settings (or System Preferences on older macOS versions). Click Privacy & Security in the sidebar.
Click Camera. You will see a list of apps that have requested camera access. Check the box next to any app you want to use your webcam with. If an app is not listed, open it and look for a camera or video button; this usually triggers a permission request that you can then approve in System Settings.
Unlike Windows, Mac does not have a single master toggle for the camera itself — you control access by app. If you want to block all camera access, you can uncheck every app in this list.
Check for a physical switch or light
Some external USB webcams and laptop cameras have a physical switch or shutter cover. Look at the camera itself — if there is a small lever or sliding cover, make sure it is in the "on" or "open" position.
Many built-in laptop cameras have a small light next to the lens that glows when the camera is active. If you do not see this light when you open a video app, the camera may be disabled in your BIOS (the firmware that runs before Windows or Mac starts). This is rare, but if you suspect it, restart your computer and look for a setup or BIOS key during startup — usually F2, F10, or Delete — then look for a camera or integrated peripherals setting.
Restart your computer and check the USB cable
If you have turned on camera access in Settings but still see no video, restart your computer. Sometimes the operating system does not fully recognize a camera until after a restart.
If you are using an external USB webcam, unplug it and plug it back in. Make sure the cable is fully inserted into a USB port on your computer — not a USB hub, which may not provide enough power. Wait a few seconds for Windows or Mac to recognize the camera, then open your video app again.
Grant permission to individual apps
Even if your camera is on at the system level, some apps require you to grant permission the first time you use them. Open the app and look for a camera icon, video button, or settings menu. Click it, and you should see a prompt asking "Allow [app name] to access your camera?" Click Allow or Yes.
If you accidentally clicked Deny, you can change it. In Windows, go back to Settings > Privacy & Security > Camera and toggle the app on. On Mac, go to System Settings > Privacy & Security > Camera and check the box next to the app.
What to do if your webcam still does not work
If you have turned on camera access, restarted your computer, and checked the USB cable but still see no video, the camera hardware may be faulty or the driver may be corrupted. On Windows, open Device Manager by pressing the Windows key and typing "Device Manager," then look for Cameras or Imaging devices in the list. If you see a yellow exclamation mark next to your camera, right-click it and select Update driver. Windows will search for the latest driver and install it.
On Mac, drivers are usually built into the operating system and update automatically. If your camera still does not work, try restarting in Safe Mode: shut down your Mac, turn it back on, and hold Shift until you see "Safe Mode" in the login window. Open your video app to see if the camera works. If it does, a third-party app or setting is interfering; if it does not, the hardware may need repair.
Frequently Asked Questions
Why does my webcam show a black screen even though it is turned on?
The camera may be blocked by another app using it, or the lens may be covered. Close all other apps that use video, and check that nothing is physically blocking the camera. If you are using an external camera, make sure the lens cap is off. Restart your computer and try again.
Can I turn my webcam off without unplugging it?
Yes. In Windows, go to Settings > Privacy & Security > Camera and turn off the master toggle. On Mac, uncheck all apps in System Settings > Privacy & Security > Camera. This disables camera access at the system level without removing the hardware.
My camera works in one app but not another. What is wrong?
The app that does not work probably does not have camera permission yet. Open that app, look for a camera or video button, and click it to trigger a permission request. Then approve the request in your system settings. Some apps also require you to restart them after granting permission.
Is my webcam always listening or recording?
No. Your webcam can only record video when an app is actively using it. You can verify this by checking your system settings — if no app has camera permission, no app can access the camera. If you are concerned about privacy, you can cover the lens with tape or a physical shutter, or disable camera access entirely in your settings.