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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How to install windows from a flash drive
In this article, I will answer the three most popular questions that arise for PC users who decide to install Windows 7 or Windows 8, 8.1, 10 from a USB…

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creating

Computer RAM

So, the computer’s RAM, which is also called volatile. She – DRAM (Dynamic Random Access Memory) – dynamic random access memory or random access memory, in abbreviated form – RAM.

Let’s see why it is called that way? While the computer is in operation, all data and programs that are running while the user is working are stored in RAM. The word “volatile” in relation to memory means only that when the system unit is turned off (shut down), the computer’s RAM is reset. All its contents disappear.

There is also non-volatile memory – this is the hard drive of your computer, because the data on it is saved even after turning off the power. Continue reading

Computer network card

Let’s start our topic with the fact that network cards are different and may differ, both in the range of tasks to be solved and in the form factor (appearance). A network card is also often referred to as an Ethernet (Ethernet) controller, network adapter or NIC (Network Interface Card) adapter.

First of all, let’s divide network cards into two large groups:

External network cards
Built-in or integrated (onboard)
Let’s start with the external ones. From the name itself, it follows that network cards of this type are installed in the computer system unit additionally (as a separate expansion card) or as another external device. Continue reading

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 we see that the installation of RAM has already been done. We also see the installed motherboard and power supply (indicated by an arrow).

In general, it must be said that if you buy a computer case, then often it comes with a power supply unit and you do not need to install it. But in any case, the procedure for installing the power supply in the case is not difficult: put it in the space provided for this (usually at the top of the system unit) 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…

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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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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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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…

...