More FaceTime Issue: FaceTime Not Activating after iOS 11.3 Update [Solved]

On the other hand, shutting down your Mac will clear the RAM and end all processes, including ones that might be interfering with your camera. If you want to make video calls, both parties need to update the app to the latest version. The same philosophy applies to your operating system.

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Most camera-related issues and errors on the Mac are minor, and you can usually solve them in a few steps. Well done I only had to use the first command and the camera was restored immediately, others have suggested the restart and reset PRAM solution but this is only temporary. Any other ideas? Did you solve that issue somehow? Very easy to follow the crystal clear comprehensive instructions, inspite of my low-level knowledge of computer technology.

Thank you for the useful, much appreciated advice. Skip to content.

Camera Not Available or Working on Mac? Here's How to Fix It - Make Tech Easier

Is this article useful? Yes No. Comments 6. Facebook Tweet. May 27, at pm. This utility gives you a live view of processor, RAM, hard drive and network usage on your Mac. Simply follow these steps:. The information is sorted into different tabs that display processes in the category specified, and each one can help you narrow down the issues you're having. If the process clearly states what it is, you know which application might be the cause of the issue.

You also want to check the graph and information at the bottom of the window. Try running fewer applications simultaneously to see if that takes some load off the processor. Is your Mac crashing a lot?


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Your hard drive and even a solid state drive are much slower than the RAM chips, so this will impact overall system performance a great deal. Similar to analyzing the CPU load, check the list to see which processes are using the most memory. The graph and information at the bottom are also very useful.


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  5. Yellow and red in the graph means the memory pressure is high and there is little to no available memory to take on new tasks. On the right of the graph, you want to make sure "Swap Used" is 0 MB or close to it. Swap Used means the operating system is using your hard drive as temporary memory as mentioned above, which you don't want.

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    Similar to the steps taken to address excessive CPU load, try running fewer applications simultaneously to see if the pressure eases up and the graph goes back into the green. Once the pressure is no longer orange or red, the swap file that was created should start reducing in size. You can also restart your Mac to clear the swap file immediately.

    Ideally you want the memory pressure in the green at all times. If you find this is hard or impossible to do, you likely just need more RAM. Don't worry about the "Memory Used" statistics; the memory is there for your Mac to use, so it's OK if it uses a large amount of it. The pressure graph is what matters in this case. If you use a laptop, this tab can help you identify which applications are using the most resources and thus using the most battery power. The energy tab may not show up if you use a desktop Mac, but it will be there for laptop users or desktop users who have a UPS connected.

    Fix: FaceTime Camera Not Working

    The Disk category shows the amount of data that is read and written for your entire system all drives. It may help you narrow down which process is hogging the disk and causing other tasks to run slow. The issue might be the network. Check this tab to see if any processes are sending or receiving unusual amounts of data. If your Mac has only been on since a restart or first boot, not sleep for an hour and yet it shows 5 TB of data have been sent, something is probably not right.

    Have a look in the list to see which process is responsible and investigate. Of course, the issue may be your Internet connection itself; in this case, use an online speed test to see if you're getting the bandwidth that you're paying for. One of the most common causes for a Mac getting slow is a full hard drive.

    Regardless of the size of your drive, you want at least 20 GB of free space at all times, preferably more.

    You'll see something like this: Let the window sit there for a few minutes to make sure it has time to calculate the available disk space and what's taking up that space. While the graph is nice, it's not nearly detailed enough in most cases. If you frequently run low on drive space, it's probably a good idea to start utilizing an external drive or upgrade the drive in your Mac, if possible.

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    Is your Mac just spinning when you ask it to do something? Your software may not be the cause of lagging issues. A failing drive, faulty RAM or other hardware issue can sometimes cause the same type of symptoms. For example, the dreaded spinning beach ball can be a software or hardware problem.

    In the list of available drives, you will see the disk and the partition on that disk. The partition on your startup drive is traditionally named "Macintosh HD," or in the case of this screenshot, "Mac HD.