Computer technician blog


General - General posts, notices and other information.
Viruses - News and articles related to viruses, will be posted in this section.
Windows - How-To guides for Windows users.
Mac - How-To guides for Mac users.

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How to reinstall macOS via Internet Recovery?

How to access and use the Internet Recovery mode on Mac computers?

Apple computers are well-known as stable devices with good performance and hardware specifications. The Mac operating system also includes various self-diagnosis and repair tools. Bear in mind, however, that these features might be susceptible to failure. When built-in tools or software-based solutions do not work, the last and most efficient solution is to reinstall the operating system. All modern Mac computers contain two separate methods to reinstall the operating system (by 'reinstall', we mean installation of a fresh OS X version). You can choose to install the operating system from a startup disk or via Internet Recovery.

How to modify hosts file on Mac?

How to open and edit the hosts file on Mac computers?

All Mac computers store a small, text based file called 'hosts'. Modifying this file is sometimes necessary to solve connection problems, set your own web server, and instruct the system to block access to specific websites (thus to prevent opening malicious websites). There are many reasons why you might need modify this particular file, however, access to it is not generally via the desktop folder. The most common way to make changes to the host file is using the Terminal application. This works on all Mac operating system versions, although the path sometimes varies.

How to fix black screen after awaking from sleep problem on Mac?

Computer's display remains black after awaking from sleep, or after booting, how to fix?

How do you know if there is a serious problem with your computer? A clear sign would be a system that struggles to start. This can often concern users, especially when their Mac computer displays remains black. This situation often occurs when attempting to wake Macs from sleep mode: even after waiting indefinitely, the display simply does not turn on. It can also occur when people open the MacBook lid. An even more concerning sign is when keyboard/computer alerts can be heard, indicating that the computer is awake, and yet the display remains dead.

How to fix 'Another device on the network is using your computer’s IP address' error?

Computer displays error message 'Another device on the network is using your computer’s IP address' after awaking or booting up, how to fix?

Today, most computer users could not imagine working without Internet access, and the devices seem almost useless without it. Therefore, it is concerning when you turn on your computer (or 'awaken' it) and a warning message appears, stating that another device on the network is using your computer's IP address. Following this message, the internet connection is disabled. Regular users often assume that their computers or networks have been hacked by third-parties. As a result, many people seek information about this problem and ways to protect their privacy.

Windows Update error 0x80244022

How to fix Windows Update error code 0x80244022

Windows Update is an important service provided by Microsoft for Microsoft Windows users. Its main purpose is to deliver software updates for the Windows Operating System and associated components, including Windows Defender and other products. There are various categories of updates, such as critical, security, quality, service packs, and definition updates. Patch Tuesday is the second Tuesday of each month, a day when Microsoft routinely releases updates, however, if there are problems that require urgent fixes, Microsoft will provide the update whenever required.

What hides under Utilities folder on Mac?

What is contained within the Utilities folder and how do we use these tools on a Mac?

With each version of the operating system, Apple seeks to make the use of their products easier. An example is the way they have attached the Utilities folder within the Applications folder, which contains various built-in tools designed to optimize computer performance. In the folder, you can find apps to monitor the status of Mac resource usage and access diagnostic tools and utilities such as Disk Utility (these are useful when attempting to solve randomly-occurring problems relating to the startup disk or even external storage devices). Despite these helpful features, many users are unaware of the existence and potential use of these essential applications.


How to fix INET_E_RESOURCE_NOT_FOUND Microsoft Edge error

Microsoft Edge is effectively the modern Internet Explorer and now part of the Windows 10 operating system. Both Edge and Explorer are still available, however, Explorer has largely been superseded by Microsoft Edge as the default browser since the launch of Windows 10. Microsoft Edge is not the most popular browser but nevertheless has some good features.

How to format drive for Mac and Windows

How to format internal and/or external drive to work properly on Mac and Windows computers?

External data storage devices such as USB flash drives, external Hard Disk Drives (HDDs), and Solid State Drives (SSDs) provide one of the easiest ways to transfer files between separate computers without accessing the Internet. This option is often used when attempting to move very large files. The method is also chosen by people who work with media data that imposes various limitations and automatic optimizations when transferring via Internet. Despite the advantages of using external data storage to transfer content, some experienced users encounter problems caused by the difference between operating systems. This article addresses these issues.


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