Owners of LCD monitors and other equipment equipped with screens often encounter problems such as broken pixels, which are a defect. The appearance of the broken pixel is constantly the same and does not change when the picture on the screen changes. They come in several types: white dot, dark dot, color dot. The first and third type can be eliminated, but the second one can’t be removed anyway. When buying an LCD monitor, a new one, and even more so a second-hand one, it is imperative to check it for broken pixels, which are often found in used models, but also in new ones. Continue reading
BIOS setup is very important for every computer, because stability and speed of PC operation completely depend on it. BIOS is a kind of software firmware located in the chip of the computer motherboard and controls its system operation. The BIOS monitors the operation of the processor, cooling fans and all other devices that are part of the system unit. If you correctly configure the BIOS, you can achieve higher performance or make the necessary changes for the work, so every advanced PC user should understand all the BIOS settings, which we will talk about.
How to enter and exit BIOS Continue reading
System unit: internal content
The main component of any computer is the system unit, since it is in it that all the important elements and nodes are located, due to which the PC is able to fully function. The system unit is a metal box (case), “stuffed” with certain contents. In particular, the system contains:
electronic circuits that control the operation of the PC (RAM, or OP, processor, motherboard, device controllers, and so on);
drives on hard and flexible magnetic disks, optical drives;
a power supply unit that converts the AC voltage of the network into a low DC voltage necessary for the operation of electronic circuits and drive motors of drives and so on; Continue reading