Error starting Windows 10 Technical Preview
When you start Windows 10 Technical Preview, a blue screen appears with the following contents: Recovery Your PC / Device needs to be repaired. A component of the OS has…

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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…

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Choosing a receipt printer
By the method of printing, check printers are thermo-printing and dot-matrix. If matrix models are cheap, image quality is much better for devices that are based on thermal printing. Next,…

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updates

Computer hard drive

The computer’s hard drive (also known as HDD (Hard Disk Drive), it is also a hard drive, it is also a magnetic drive, it is also called “screw” and “hard”). Non-volatile storage of our collections of films and other files 🙂 “Non-volatile” in this case means that all stored information after turning off the power to the computer remains on the hard drive.

Computer hard drive

What are these functions (in addition to directly storing our data) performs a computer hard drive? We install all of our software on it. Continue reading

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 all seriousness.

Often, the entire system unit is called the computer case, but this is not true! This case is a metal shell on which all the components of our computer are mounted. It is sometimes called the “case”. The functions of the case are also included;

protection of the “insides” of the system unit from external physical effects
maintaining optimal temperature conditions (with proper cooling organization)
shielding electromagnetic radiation generated by a working PC Continue reading

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

How to make a bootable USB flash drive Windows 7 and Windows 8
A multiboot flash drive that has several operating systems on board at once, for example, Windows XP, Windows 7 and Windows 8, is a very useful tool that any modern…

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What are SSD drives and how do they work?
Today we will analyze the main points and principles of functioning of the technology of solid-state SSD drives. As you remember, in the first part of the article we conducted…

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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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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…

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