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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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 →

How to convert a GPT disk to MBR
Converting GPT to MBR may be required in different cases. A common option is an error. Installing Windows on this drive is not possible. The selected drive has a GPT…

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receipts

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

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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How paper quality affects printer wear
This material will help many users to find out a useful thing, namely, how the quality of the paper affects the wear of the printer, and which paper to buy…

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DIY RAM installation
Do-it-yourself installation of RAM should be done in a case in which there is already a fixed motherboard and processor. Something like this: Do-it-yourself RAM installation In the photo above…

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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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