A computer repairman needs to know what parts make up a computer, how they are made up, and how they interact with each other. It is best to start with a desktop computer rather than a laptop or tablet to learn about computer hardware.

BIOS chipA stationary computer has a separate system unit, monitor, mouse and keyboard.

Such a system unit can be easily opened and disassembled with a shaped (Phillips) screwdriver.

Disassemble a laptop or tablet is much harder, moreover, you will need a special tool.

The system unit contains the motherboard with the processor and memory, power supply, graphics card (separate or integrated), the network adapter for communication with the outside world (separate or integrated into the motherboard), the DVD drive or Blue-ray (optional), a hard drive (electromechanical or solid state - SSD).

To get acquainted with the structure of the computer and its components can be found on this site under the heading "Computers".

I would like to note that I do not use complex terms (which scare the beginners so much) and tell you about complex things in simple human language.

    To repair computers the amount of knowledge must be large enough and should be accumulated gradually. Being an advanced PC user and knowing how the components of the computer are built, you can go further.

What malfunctions can occur in computers?

Faults in a computer can be a great many. But they can be divided into two types: hardware faults and software faults.

No boot loaderHardware is the very parts of the computer, which we have already mentioned.

The software is not only the operating system and office programs, but also the drivers of the various internal and external devices.

A driver is a separate program for the interaction of some part of the computer or peripheral device (printer, scanner, etc.), embedded in the operating system.

Without a driver every piece of hardware is just a collection of metal, plastic and electronic parts.

Sometime you may not be able to block the program when you put wrong program in the block list or accidentally allow the program you don’t want to use or auto run.You can contact support if you want to block Program using firewall you can get in touch with Windows support number round the clock by dialing toll free number +1-844-602-3987.
How to Block a Program in Windows Firewall?
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