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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Printer prints white sheets - what to do
The printer prints white sheets - a situation that has occurred in almost every office worker or owner of this device, who uses it at home. The bulk of users…

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Integrated graphics card
An integrated video card (it is also often called an integrated or “onboard” video card) is part of the chipset system logic of the computer motherboard (part of the chipset).…

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maintenance requirement

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, if you like, its brain! In computer jargon it is sometimes called “stone” (crystalline silicon really looks like a stone).

This is the main processor of information coming into the computer. The central processor performs all the necessary mathematical operations with the incoming data, makes various samples from the databases, archives and unzips our files, deals with video encoding, processes the model of the physical interaction of particles in your favorite computer game, finally! Continue reading

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 printer, a computer case, even … a computer mouse! But what about? Indeed, “the arrow on the monitor does not move” means that the computer is not working! 🙂 But you and I will be interested in exactly that “iron box that stands under the table”, and the name is its system unit! 🙂

Note: the system unit, as a rule, is called a computer already assembled and ready for operation, and the case is just an iron box into which its various components can be installed.

For greater clarity (to consider all the components of the computer separately), you can read the article on assembling a computer with your own hands. Continue reading

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 processed into heat.

The hottest component of a PC is the processor. It is so hot that it burns itself without cooling in about 10 seconds. Modern processors are becoming more and more “cold”, however, they are still far from the heat emission of household devices, such as, for example, a DVD player.

Photo processor for PC
Computer processor. Often, the hottest component of a PC. Continue reading

Monitor calibration
Monitor calibration is a necessary preparatory stage for pre-printing photographs and images, without which all efforts to select the most suitable and spectacular colors will be in vain. Incorrect color…

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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…

...

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…

...

When you turn on the computer beeps
The essence of the problem: When the computer turns on, it immediately starts squeaking. Solution: 1. You need to know the BIOS manufacturer of your motherboard. The easiest option is…

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