Author: Krzysztof Oko

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Other Tips

Smart Home – is it worth investing in such a solution?

Smart Home – is it worth investing in such a solution? Smart homes are a big technological leap that allows you to automate many everyday activities. Importantly, even with a small budget, you can make gradual changes that will allow you to enjoy an intelligent system. It is therefore worth taking a closer look at the specifics of Smart Home. What is a Smart Home? Smart Home is a term derived from English that means an intelligent house. It refers to buildings or apartments equipped with modern technologies and systems that increase comfort and safety and allow you to generate savings for the budget. Smart homes are based on devices that communicate with each other and are connected to one network. Control is carried out using an application installed on a mobile device, and the principle of operation is extremely simple. What is included in a smart home? A smart home is a few or a dozen different products divided into a central unit, control, and functional components. Basic Smart Home devices include: smart sensors; alarm systems; surveillance cameras; lighting control; smart heating; smart sockets; management of RTV and household appliances; control systems, i.e. panels, remote controls, controllers or buttons; a central unit that integrates all the elements. These systems are interconnected, which means that household members can control them using a mobile device. It is thanks to the application that it is possible to change the operating mode of individual components, e.g. to regulate the temperature. What technologies are used? The technology used in smart home systems is the Internet of Things, a digital network that integrates the components used, communicating with each other via an internet connection or another communication standard, such as Z-Wave or ZigBee. This concept assumes that a given device can control another to perform

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Hardware Tips

Motherboard Failure – How to Check if It’s Damaged?

Motherboard Failure – How to Check if It’s Damaged? Computers are devices that accompany us practically at every step. We use them for work, study, and entertainment, and in many industries they are practically indispensable. These devices are designed to provide high efficiency, versatility, and low failure rate. Unfortunately, since computers are also very complex devices, composed of many delicate components, it happens that they are subject to more or less serious failures. One of the most important elements of modern computers is of course the motherboard, the failure of which can effectively prevent the use of the computer. However, what exactly is the motherboard, its purpose, what are the risks of motherboard failure, what are the symptoms, how to check if the source of computer problems is the motherboard, and what to do when this element is damaged?   What is a motherboard? The motherboard is the most important element of any computer because it is a kind of skeleton that connects all the other components into one whole. It takes the form of a large printed circuit board, on which there are paths and various types of elements permanently built into its structure, such as the BIOS chipset, sockets, connectors, etc. The paths are placed on several layers of the printed circuit board, and their role is to provide power and communication with all the components mounted or connected to the motherboard. The role of the motherboard in the smooth operation of the computer The motherboard is an element whose main task is to connect all the other components of the computer into one whole, mediate communication between them, and often also provide them with power. It is therefore the foundation for building a computer, without which its creation would not be possible. In addition, the motherboard also

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Windows 11
Windows Tips

How to create a local account when installing Windows 11?

How to create a local account when installing Windows 11? Windows 10 available to consumers did not require you to set up a Microsoft account at the system installation stage. You also did not have to connect to the Internet, although over time users began to be forced to do so (all you had to do was not connect to the network). Windows 11 initially allowed this as well, but quite soon after its premiere it ceased to be possible. Microsoft forces Windows 11 users to take both of the above-mentioned steps. How to skip them? There are trivial ways to do this, although there are some that worked before but no longer work on the latest (or all?) versions of the operating system. However, there is a simple method that will work on any of them and will allow you to set up a local account without connecting to the Internet. After all, we can lose access to the network at the least expected moment (including during system installation). Find out how to bypass the Microsoft blockade and go through the Windows 11 installation wizard quickly and efficiently without the Internet or an online account. Importantly, all the methods described below also work on the system preinstalled on desktops and laptops. Go through the beginning of the Windows 11 installation process until you reach the country selection. Press the Shift + F10 in some laptops Shift  + FN + F10 key combination, which will open the command prompt window. Some laptops such as Lenovo or Asus may be turned off the Shift button, so you may need to use an external keyboard. In the command prompt, type the command: and press Enter. This will block the requirement to connect to the Internet. Wait for the computer to restart and

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Bios Update
Software Tips

BIOS Update – How to Do It Correctly?

BIOS Update – How to Do It Correctly? There are situations in which it is necessary to update the BIOS. There may be several reasons, such as problems with the correct operation of the computer or the purchase of a new graphics card. The process itself is not complicated, but it requires precision. Importantly, updating the BIOS is not routine, as is the case with updating the Windows system. It is therefore worth knowing how to properly update the BIOS. What is BIOS? BIOS is an abbreviation for Basic Input/Output System, or simply put, it is a basic input/output system. This software is built into the motherboard and is the first to start after pressing the power button on the device. The BIOS is equipped with its own memory, where all information about the hardware is collected. It is also responsible for verifying the device. Before starting the system, the BIOS checks and identifies all hardware elements, such as the processor, graphics card, RAM or hard drive. Check: Motherboard failure – how to check if it is damaged?   Why is it important to update the BIOS? It is worth noting that updating the BIOS is not always necessary, especially when the computer is working properly and none of the components have been replaced. However, there are situations when an update should be performed. This is the case when the manufacturer has released a new version, the purpose of which is to fix errors, improve the performance of the computer, or new functions have been introduced. Another example is when an update is required to run new equipment or other devices. Additionally, a BIOS update is also required for the correct functioning of the operating system, e.g. so-called blue screens appear, which inform about the occurrence of a failure. How

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Hardware Tips

BIOS Damage in Computer – What to Do

BIOS Damage in Computer – What to Do The BIOS, or Basic Input Output System, is one of the first and most important programs used by modern computers and laptops. Its tasks include managing all the basic devices of the computer, including controlling the motherboard before the operating system even starts. BIOS failures and damage can lead to many problems with the device – the system will not be able to start if the BIOS is not working properly. What to do in such a situation? Possible symptoms of BIOS corruption on your computer Regardless of whether you use a laptop or a desktop computer, the BIOS is essential for the device to work properly. Any damage or failures will make it difficult to start the computer, displaying errors before the operating system even starts. BIOS error messages may vary depending on the hardware, but they are most often visible in the form of: no image is displayed (despite the sound of the computer starting up), the equipment not turning on at all, stopping the start-up at the startup credits stage, displaying a black background with a BIOS error, audio and visual signals while the computer is starting up and then the equipment is turning off again. BIOS manages access to computer resources and although it does not play such an important role after the operating system has started, it is crucial at the hardware startup level. Recorded on Flash memory chips, it is read only when its operation is necessary for the computer to work. Some BIOS damage can be reversed and repaired by starting the computer appropriately, but in difficult cases it happens that it is necessary to completely unsolder the memory chip with the BIOS and reprogram it. Repairing the BIOS on a laptop or computer The

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cybersecurity
Software Tips

Cyber Security – how to use the network safely?

How to use the network safely? Despite the fact that slogans about safe use of the Internet are as worn out as jeans on the knees, it is still worth remembering to use the Internet wisely. Below we remind you of important rules for securing personal data from uncontrolled use, and we also briefly explain what are currently the most popular types of cyberattacks. Don’t be fooled and take care of cybersecurity today!   The most common types of cyberattacks   Phishing This is a method that involves impersonating a well-known and trusted website, sending the victim emails or text messages encouraging them to open links contained within them. After doing so, the link redirects you to a page that requires you to provide data such as a credit card number or online banking login details. To avoid this, pay attention to the URL of the page, and also watch out for any redirects and pop-ups related to logging in. Scam Here, in turn, gaining the victim’s trust is more important than technical solutions. You could say that this is the online version of the “grandchild” theft, except that it takes a bit more time. The cyber fraudster gains trust, is nice, and after a while disappears with the victim’s savings. Similar techniques are used by fraudsters who prepare an announcement about a fundraiser for the needy, and even by some not-so-dishonest influencers. Ransomware This type of attack can be described as a “virtual kidnapping”, which targets valuable files for the user. Access to them is blocked using special encryption techniques, and their unblocking is possible only after paying a ransom. Companies are usually vulnerable to this type of attack, as hackers carefully select their victims, counting on a large and quick profit.   How to navigate the web safely?

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bios-chip-mainboard
Hardware Tips

How to troubleshoot common BIOS problems?

How to troubleshoot common BIOS problems? The computer will function properly when all components work together in harmony. One of the key elements is the BIOS. Many people do not use it on a daily basis, but it is through it that you can perform repairs on the computer’s software or check the condition of some of its parts. It is also worth knowing what the most common BIOS problems are and what to do if they occur. What is BIOS? Basic Input/Output System in short BIOS is the basic input and output system. It is a kind of system/set of procedures on the motherboard in FLASH memory chips. It is responsible for basic functions in the computer. It is the first program that is launched immediately after starting. BIOS is equipped with its own memory, supported by a CMOS battery. It mediates communication between the software (system) and individual hardware that is part of the unit. BIOS is responsible for managing and checking the basic elements of the computer. Additionally, it controls input/output devices, as well as the flow of data between components, such as hard drives, processor or RAM. BIOS can also control some voltages or boot options. The system allows you to change the settings of individual devices, which are not possible from the operating system level. What are the most common BIOS problems and how do I diagnose them? The most common BIOS problems include: failure of the BIOS program storage chip; BIOS memory corruption; failed update; viruses; spontaneous corruption; user corruption; faulty or inappropriate BIOS entry. The above problems are most often manifested by a lack of response after turning on the computer or after starting it, you can hear the sound of the device working, but there is no image. It also often happens that the signal diodes start

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Software Tips

What are the dangers of an unsecured Internet?

What are the dangers of an unsecured Internet? The omnipresent Internet has become an everyday occurrence. We use it everywhere, including in public places, where we often connect to Wi-Fi networks without thinking. Such behavior can entail a number of consequences that users often have no idea about. It is therefore worth familiarizing ourselves with the subject of the unsecured Internet. What do unsecured internet connections mean? Nowadays, wireless networks are used almost everywhere. It is a convenient and practical solution that allows you to connect a large number of devices. Along with the implementation of this convenience, threats have also appeared both for networks and their users. The greatest risk is posed by public Wi-Fi connections, which are available in many places. Cybercriminals have the ability to place themselves between the Internet user and the connection point – this is the biggest security hole. In fact, no Wi-Fi network is free from threats, but security largely depends on its type. Hackers very often rely on unauthorized access to a wireless network to take control of a connected device, thanks to which they can intercept sensitive data. Where is the unsecured Internet most common? Unsecured Internet is most often found in public places, where you can connect to the network without having to enter a password. This includes train stations, airports, restaurants, hotels, universities, libraries, fitness clubs, shopping malls, etc. Unsecured networks can also be found in our homes, less often in companies. Regardless of where it occurs, connecting to the Internet can result in more or less serious consequences. What are the risks of connecting to an unsecured internet? Any connection to an unsecured network is associated with risk. This is a great opportunity for cybercriminals, who will certainly take advantage of the opportunity. Among the most common consequences

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Operating Systems
Software Tips

Operating systems in computers – learn their advantages and disadvantages

Operating systems in computers – learn their advantages and disadvantages When deciding to buy a computer, many people focus mainly on the brand, performance, RAM, processor or graphics card. An often overlooked aspect is the operating system. This is a big mistake, because it is the one that has fundamental significance for the potential of the purchased device. It is therefore worth familiarizing yourself with the subject in order to be able to choose the right operating system. What are operating systems and what function do they perform? An operating system is software that allows you to manage a computer system. It is installed on every device. It creates an environment for starting and handling all tasks, as well as enabling other applications to run in the system. In other words, it is the basic program that manages all processes in the computer. Additionally, it allows you to install other programs. An operating system allows you to control the tasks performed on the computer. It also supervises communication with the hardware. Its main function is efficient communication between the user and the device and displaying a prepared interface, i.e. using the resources of the given hardware. The operating system is necessary for the user to be able to use the potential of their computer. Advantages and disadvantages of computer device operating systems Operating systems are used in all computers. They differ from each other. The most popular operating systems include: Windows It is undoubtedly the most popular operating system. It is used on most devices: in homes, offices and schools. It is a flexible tool that works well with a computer. It is perfect for learning, playing multimedia or playing games. Advantages: accessible interface; can be installed on almost any computer; most popular work environment user-friendly; widely available; compatible; high

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How to clean your hardware
Hardware Tips

Cleaning, disinfection and maintenance

Cleaning, disinfection and maintenance – how to take care of your computer equipment     In addition to regular hand disinfection and washing, whether you work in an office or at home, it is a good habit to regularly clean and tidy up your workspace. How to do it safely? Daily and periodic cleaning of computer equipment When we think about maintaining computers or laptops, we usually focus on the need to make backups, delete unnecessary files, and “clean up” the computer after months of mess in the downloads folder or trash. Let’s not forget, however, that the external elements of our equipment also deserve a little attention and care – it is worth wiping the keyboard, monitor, or mouse from dust and dirt from time to time, and also blowing compressed air through the computer fans so that they do not become completely clogged with dust and cat fluff over time. How regularly should you do this? Daily care of computer equipment The most frequently cleaned computer equipment should be the keyboard and mouse. During the pandemic, when we are all trying to protect ourselves from bacteria, viruses and all kinds of germs, a quick wipe can be done even every day, preferably after finishing work. Remember that we carry the most germs on our hands, which can then easily be transferred to the keyboard and from there, for example, to the face. To clean the keyboard and mouse, you can use commercially available computer cleaning agents, but also isopropyl alcohol, the high concentration of which means that it evaporates quickly and is safe for electronics, but at the same time effectively removes greasy dirt and germs. Disconnect the keyboard and mouse from the computer, clean the spaces between the keys with compressed air (to blow out crumbs and

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