5 Easy Ways to Lock or Disable a Webcam

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Whether you're using a detachable webcam or using an integrated one, modern apps often make use of this popular peripheral device without your knowledge. This does sound scary but this is what happens when we're using numerous modern social applications which offer video calling or streaming as one of their features. How to ensure your webcam is not being used in a stealthy fashion by one of the installed apps without your knowledge? Unfortunately, there is no easy way to know it. A better option is to lock or disable your webcam when you're not using such apps. We'll look at some of the best and reliable ways to do so. From all the methods listed below, you can choose the best one that suits you and enables you to easily lock your webcam. I've tested each of these methodologies on my system and found them working without any issues. Once locked, the unlocking and re-enabling process is equally user-friendly whenever you want to reuse your webcam. So, let's learn how we can easily lock and disable our webcam.

Method #1: Physically Detach Webcam's Cable

Now, this one is quite obvious. If you're using an external webcam, nothing is simpler than physically removing its cable from the port.

USB cable
While detaching the cable, make sure you do not inadvertently jolt the device which may break it on a fall. I prefer to tie the webcam's end of the cable by a string to ensure the primary device do not receive a jolt in any case. If you're not going to use your webcam for a long time, carefully fold the entire cable and pack the device in a polythene bag or in a cardboard box.

Method #2: Tape or Cover the Webcam

Another way is to obstruct the lens of the webcam through a physical object. There are several ways to do it and it entirely depends on which specific method you prefer.

Taping or covering with a paper sheet - You can either use a vinyl tape or a regular electrical tape to obstruct the cam. Another handy way is to use a paper sheet held with a small duct tape strip.

Taped webcam
The disadvantage of using this methodology is that a mark of adhesive may remain on the device surface after removing the tape. I prefer using a paper sheet supported by a very thin strip of a duct tape.

Use webcam shields - If you can spend some bucks, get rid of messy tapes and get a professional webcam covering device which can be easily used on laptops and tablets. The advantage is that you can instantly hide your webcam without damaging the laptop surface in any way.

Macbook webcam shield and cover
You can either use this magnetic webcam shield made for MacBook laptops. Its light and very easy-to-use. In case, you're using a regular laptop, try this excellent webcam cover which fits almost every standard model. These webcam covers are very easy to fix or mount and can be detached anytime without any hassle.

Method #3: Block Access Through OS Device Settings

If you're not a fan of shields and covers, a better alternative is to disable the functioning of the webcam at the operating system level. This cripples the webcam though some of the sophisticated spying apps may still be able to enable it stealthily. Still, it's one of the quickest and reliable ways to disable a webcam.

Here's how to do it on a Windows computer.

Webcam settings in Windows device manager
Go to Control Panel → Device Manager → Imaging devices and select the webcam entry from the drop down tree node. Right-click it and select the Disable option from the context menu.

This setting instantly disables the webcam and your regular social applications cannot access it. In case, you want to enable it again, go to the same option again and select the Enable option from the context menu.

Method #4: Disable From Within BIOS Settings

Another geeky method is to disable the webcam right from within computer's BIOS setting. More or less, almost every vendor ships similar kind of BIOS interface and settings with slight changes in names and options. In case, you're technically challenged and are not comfortable using this option, use the other methods listed here.

Standard BIOS settings
Depending on the vendor, entry point to the BIOS settings during the boot time can vary. Most common hot-keys for the same are the Del and F2 keys. Though you may cross check your BIOS docs on the internet. Once inside the BIOS interface, look for peripheral devices settings.

Here you can find the entry for your webcam. It can be labeled as a CMOS camera, integrated camera or simply as a webcam. Choose the Disable option for this setting. Once webcam is disabled from the BIOS, no application software can use it and it is completely safe from spying malware.

Here I must warn you about an important thing specifically applicable for devices having an integrated webcam like a laptop. Once you disable an integrated webcam through BIOS, associated microphone also gets disabled. So, don't panic if your microphone stops working after this action.

Method #5: Use an App to Lock a Webcam

And last but not the least is the easiest solution for the lazy. You can install a specialized application that proactively monitors access to the system's webcam and alerts you about the same in real time. Such apps also enable you to allow or deny access to an application which is trying to access the webcam.

Webcam protection application
One such application is Stop Being Watched which is available both for Mac and Windows systems. Once activated, it quietly runs in the background guarding your webcam from unauthorized access. It also maintains a detailed log of webcam access which can be viewed, at will.

Using this application ensure you can control each and every application which tries to access the webcam. I liked its log feature which tabulates every attempt to access the webcam.


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