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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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…

Continue reading →

automatic

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, we’ll talk about receipt printers and help you choose a receipt printer.

Matrix receipt printers that you can purchase here produce strong background noises, need regular replacement of the ink composition, and do not live up to expectations when working with complex graphic elements such as logos, monograms and drawings. Continue reading

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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How to find out the temperature of the processor
In this manual, there are some simple ways to find out the temperature of a processor in Windows 10, 8, and Windows 7 (as well as a method independent of…

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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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