How to connect the Internet to a computer through a mobile phone
Many users want to learn how to connect a computer to the Internet via a mobile phone, despite the relative high cost of mobile Internet and the slow speed of…

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How to connect the Internet to a computer through a mobile phone
Many users want to learn how to connect a computer to the Internet via a mobile phone, despite the relative high cost of mobile Internet and the slow speed of…

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How to fix a problem with sound on a computer
If you encounter a lack of sound on the computer, do not rush to immediately run to the service center, in most cases the situation is easy to fix on…

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The computer does not turn on: the problem is in the power supply

All PC malfunctions falling under the “computer does not turn on” category boil down to one single problem: it is impossible to download any of the known operating systems to the computer, including the MS-DOS boot disk and the secure MS Windows product. The “symptoms” of this problem are as follows:

the monitor remains dark;
PC does not respond to user actions;
after trying to turn on the PC, it screams frighteningly or reports an error.
If you are familiar with all of the above, then it is entirely possible that the problem lies in the power Continue reading

PC system unit: device and the role of the motherboard

System unit: internal content

The main component of any computer is thePC system unit, since it is in it that all the important elements and nodes are located, due to which the PC is able to fully function. The system unit is a metal box (case), “stuffed” with certain content. In particular, the system contains:

electronic circuits that control the operation of the PC (RAM, or OP, processor, motherboard, device controllers, and so on); Continue reading

What to do if the keyboard does not work on the computer

Why the computer keyboard does not work

Each computer user may have a keyboard problem, and in this case, you need to find the answer to the question: why the computer keyboard does not work and how to fix it. There are many different reasons that cause the keyboard to malfunction, but all of them can be divided into two categories: software reasons and hardware reasons. In simpler terms, either the keyboard itself is faulty, or the problem is caused by a failure in the operating system settings. Consider the most common “symptoms” of a problem. Continue reading

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How to check the monitor for dead pixels
The acquisition of a computer, laptop or other gadget is a responsible undertaking. Even in the new technology, there may be obvious and hidden defects. Dead (or dead) pixels -…

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How to choose an antivirus
If important files disappeared without a trace from the computer, some programs began to work incorrectly, and when turned on, the system reports that the PC is completely blocked, there…

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What is a domain controller
A domain controller provides centralized management of network devices, that is, domains. The controller stores all the information from the accounts and parameters of network users. These are security settings,…

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