external devices
The computer does not turn on: the problem is in the power supply
All PC malfunctions falling under the “computer does not turn on” category boil down to one single problem: it is impossible to download any of the known operating systems to the computer, including the MS-DOS boot disk and the secure MS Windows product. The “symptoms” of this problem are as follows:
the monitor remains dark;
PC does not respond to user actions;
after trying to turn on the PC, it screams frighteningly or reports an error.
If you are familiar with all of the above, then it is entirely possible that the problem lies in the power Continue reading
Why slows down video on a computer
Most often, malfunctions in the operating systems of Windows XP, Windows 7, Windows 8 are the result of hardware violations or software failures. The most common problem that users face is incorrect display and slowdown when playing videos. In this article we will talk about this problem and find out why the video slows down on the computer.
This is manifested in fading and jerking, and often extraneous “artifacts” appear on the screen. Sound in this case can be ahead of the picture or vice versa late. This problem is observed regardless of the quality of the video being played, whether it be HD or the simplest and most common SD quality format. Continue reading
How to check the monitor for dead pixels
The acquisition of a computer, laptop or other gadget is a responsible undertaking. Even in the new technology, there may be obvious and hidden defects. Dead (or dead) pixels – a common malfunction that violates the integrity of the image on the display. If a single cell does not work, then the change in image quality with the naked eye, as a rule, is not recorded. But if a group of pixels is damaged, then the perception of the picture is impaired.
Defective pixels form a black, white or color dot, which distracts when working on a PC and interferes with video viewing. The cause of the defect is a malfunction of the matrix elements. In this regard, each potential buyer of an electronic device needs to know how to check the monitor for dead pixels. Continue reading
