Computer power supply
In this article we will talk about one of the most important parts of a computer - the power supply, you will find out what important role it plays in…

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Case for computer
Today we will talk about such an important thing as the computer case. This case is the foundation of our PC and it is necessary to approach its choice with…

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The virus site blocks the browser and requires payment of a fine by the Ministry of Internal Affairs
We were repeatedly approached by clients complaining that “the virus has blocked the computer and extort money”. After studying the problem, it became clear that in reality the infection of…

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Solving a problem with a laptop webcam: no picture (black screen)

In our repair practice, sometimes there are “mystical” cases.

We have: a new HP laptop. The camera is visible in the device manager. It’s written in the camera’s properties that the device works fine, but the picture itself is not in Skype or in any other program.

We try to solve the problem in simple ways.
Reinstalling Windows, searching for driver updates on the official website did not produce results. If you check the camera through the popular verification site:

Screenshot of the browser on the webcammictest.com camera verification site
In Skype, we see a black screen and a rotating standby indicator. Continue reading

Computer video card and its purpose
A video card is that device with which the image is displayed on the monitor. Those. without a video card, we won’t see any text or images on the screen,…

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Computer network card
Let's start our topic with the fact that network cards are different and may differ, both in the range of tasks to be solved and in the form factor (appearance).…

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A new type of fraud: blocking social. networks
Recently, social networking sites are gaining immense popularity. A social network is a site that visitors themselves are filling in. As a rule, social networks allow you to create a…

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Computer Central Processing Unit (CPU)
Today we are considering the central processing unit of the computer CPU (Central Processing Unit - Central Processing Unit or CPU). This is the heart of the system unit or,…

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