How-To guides for Mac users

How to write an ISO file to an USB drive on Mac

How to create a bootable installer USB flash drive on Mac computer?

With technology growth, use of data storage formats such as CDs and DVDs are on the decline, but physical storage remains very useful, especially when you attempt to create a bootable storage disk to perform a fresh installation of your operating system. New computers quite often come without a CD-Room a device which is responsible for reading CDs and DVDs. It's replaced by a flash drive that offers several times higher read and write to memory speed. However, together with all the advantages of a flash drive, there are problems when creating a bootable device, adding or 'burning' ISO file into it. In the old days when CDs and DVDs were the main external data storage, there was a simple way creating a bootable disk through Disk utility.

Spotlight - a built-in search engine on Mac - how to use?

Default search function on Mac called Spotlight - how to use?

Every experienced computer user knows, that various search engines, when used properly allow to work more efficiently. Can you imagine a function, that fulfill your requests expressed by one or a couple of words? Windows operating system users are used to a "Run" function, good news that Apple offers even more functional feature called Spotlight. If compared those two features, Windows tool opens programs and documents, when the path is known, while the Spotlight does not require the destination or an accurate name. Mac's feature is basically a built-in search engine, it is a text-based Siri alternative, so that means it responds to any query entered and looks for all associated results.

What is kernel_task and why it uses a lot of resources?

What is a kernel_task and why is it consuming a lot of Mac's resources?

One of the most frequent question within technical support forums, related to Mac computers, would be a topic about kernel_task process found in activity monitor. Usually, users report that their computer's performance decreased and once they entered the activity monitor to inspect what is going on, they noticed a mysterious process consuming a huge part of CPU and RAM resources. Probably, the first question would be what is this process and what is it's purpose.

Mac can't connect to Wi-Fi, how to fix?

Mac can't connect to a Wi-Fi network or connection is slow and unstable - how to fix?

Nowadays, we can find a Wi-Fi network in most homes, where computers and mobile devices are used. Even more free Wi-Fi networks are available in public areas, such as cafes, hotels, airports, business buildings, various SPA centers, etc. Nowadays, Wi-Fi connections are being used not only for personal use, but also well implemented into various systems, such as security cameras, yard lightning, etc. Since this particular connection is widely used, lost or weak signal might be really frustrating.

How to clear the DNS Cache in MacOS Sierra?

How to manually clear the DNS cache on a Mac computer running macOS Sierra or later?

Managing DNS settings, sometimes is useful a solution, when encountering connection issues. Most commonly DNS settings are manged by network or system administrators or web developers. DNS stands for domain name system, DNS settings are responsible for translating domain names to Internet Protocol (IP) addresses. If there would be no DNS servers Internet users would have to remember the IP address of each website, for example instead of typing in your Internet browser you would have to type And that is not very convenient. One of the most popular cases when you would want to clear DNS cache is when you seek that name server respond properly. Also if you made changes in /etc/ hosts file to achieve the effect you will have to clear the DNS cache.  Frequently, if you're following some how to do guides, authors don't mention, that changes may not take an effect until you reset the DNS cache.

How to reset or change admin password on a Mac?

How to recover or reset administrator account password on a Mac computer?

Nowadays, most of the systems we use require a password to login. macOS operating system is not an exception. When you're setting up your new Mac, you will be asked to create an administrator account protected with a password whichever you choose. Despite the fact, that you're creating a hints together when signing up, often users set them randomly, and when they should help to remember the password, it won't. Forgotten password is just one example, why you would want to recover or reset the Mac's administrator password.


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