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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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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Download and install the driver on a Canon F158200 printer for Windows
Installing a driver on a printer / scanner is a task that even inexperienced PC users often face. As a rule, a person searches for drivers on the Internet. Hundreds…

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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, and in general, computer operation without a video card is impossible.

There are two types of video cards: external video cards (discrete) and built-in (onboard from English “On board” – on the board). Let’s look at these concepts together in more detail. There are two monopolists on the external video card market now. These are California-based Nvidia and Canadian ATI Technologies. In 2006, the latter was also purchased by the American processor company AMD (Advanced MIcro Devices). Continue reading

Sound card for computer

Sound card is an integral attribute of a multimedia computer. Previously, when PCs were ancient and terribly slow, you had to buy a sound card for a computer separately, select the necessary type of connector, install it, and then carefully configure it in the right program. Who remembers what DOS applications are, he will understand me 🙂

Now – everything is much simpler! Sound cards for computers are divided into several categories:

made in the form of a separate printed circuit board, installed inside the system unit (discrete)
integrated (on board), which are an integral part of the motherboard
external (for example – USB) solutions Continue reading

Types of Printers

Do you know what types of printers are?

There were no monitors before, and the information was printed exclusively on paper, so the printer can be called the first output device. But printers did not share the fate of typewriters, and today they remain an important device in our daily lives. Neither offices, nor offices, nor banks, nor cash desks do without printers. And many people in the house have their personal printer.

There are three types of home printers: dot-matrix, ink-jet and laser. Each of them has its own characteristics, its pros and cons. Continue reading

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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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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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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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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