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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Monitor Calibration Devices
Monitor calibration devices allow both calibration and profiling. Most calibrators look like a computer mouse and attach to the display. Included with the device is a program that displays on…

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Computer system unit, device and composition
So, what does the computer system unit consist of? An important clarification here is that under the word “computer” different people can mean, oddly enough, different things: a monitor, a…

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performance

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 a comparative test of one SSD and two HDD drives. We examined how it looks from the inside and of what basic blocks it consists of.

Also – they listed the main advantages of this technology, and now we will consider the disadvantages that are inherent in it at the moment. We will present the main ones in the form of a list:

High (relative to HDD disks) cost of data storage, i.e. – we get less disk capacity for big money Continue reading

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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How to boot a laptop from a flash drive?
In order for us to be able to boot the laptop from a flash drive, disk, or other media, the so-called hot keys were invented, allowing you to get into…

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Computer motherboard, what is it for and what does it look like
The computer motherboard is that foundation on which all the components of the system unit are built. The role of the computer motherboard cannot be overestimated. After all, it depends…

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Liquid and air cooling of the computer
Now almost every house has a computer. These electronic machines consume kilowatts from our outlets. Of these, only a small part is spent directly on calculations, and the rest is…

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