DVRs provide convenient opportunities for surveillance of ATMs and retail properties, behavior of customers, and cashiers, as well as monitor the safety of private property and just for what is happening outside. They record video in acceptable quality and volume, then it can be viewed by connecting the DVR to the computer.

To prevent overheating and damage some of the parts computer system unit it is necessary to mount the fans. For the successful implementation of this process it is necessary to know some subtleties.

Scanners barcode differ from each other mainly by the interface with which they connect to the computer. Depends on what sort of OS will be compatible with the scanner, and how you will have to configure the program on the POS terminal.

Disabling processor cores usually require you to run any outdated programs. You don't have to torture your computer configuration in the BIOS, sometimes just enough to run the program in compatibility mode.

Almost always system units desktop computers are duplicated on both the front and rear panel jacks to connect external audio devices including headphones. The connectors on the rear panel is placed directly on the motherboard or sound card and the front are connected separately during Assembly of the computer. If you plan to use the headphones constantly, it is more convenient to use one of the connectors on the rear panel of the system unit.

Much more profit the manufacturers of inkjet printers receive from the sale of consumables than on the technology itself. However, many PC users who believe that the price of the ink cartridges is too large, came up with an alternative way to fill them. It is possible to fill yourself, but before that you need certainly to rinse.

Many manufacturers write the serial number of the software on a disk with the distribution, but this identifier may also appear on the packaging elements, documentation, and so on. Always check the value of the acquired sample.

Install driver web camera is quite simple, just need to have the necessary software and the camera itself to the PC.

Video card is a device with which the monitor displays the result of the work of computer, be it a video, spreadsheet, or text file. The graphics card can be integrated into the motherboard or external. In the first case, it uses part of RAM PC, and the second – its own memory.

In some modern monitors are an excellent innovation is the built — in webcam. However, do not always enable this add-on designed by the manufacturer to the last detail. Therefore, many buyers of such combined devices have difficulty connecting and using the camera.

The owners of the 3G modems can encounter a huge variety of problems. Some of them can be solved quite simply, and some don't, and one connected with his spontaneous trip.

Currently, there are different ways to build a home network, and if you want you can connect a Wi-Fi router, even if you already have cable Internet. For this you need to properly install and configure the device.

Like other phones, the HTC touch smartphone connects to the computer using the USB cable. HTC has several modes of connection to a PC. Also, this smartphone can function as a wireless router.

Video card is an important component of a computer designed to calculate image and transferring it to the monitor. However, it is not always the installation is successful. Some users faced with the fact that the computer "sees" the device.

For example, there is a small office and a few computers connected to the local network server, but there are on the office printer. Now the task: to make so that access to the printer had all of the computers that is able to print. This means that we will need to install a network printer and to configure it. To carry out the task in three ways.

In some cases reinstalling the operating system or improper shutdown of operation of ion application) can happen resetting the screen of your monitor. In this case, it is usually set standard resolution of 800 by 600 pixels, whereby the display area is much smaller, on the sides of the screen, black bars appear. To restore normal functioning of the need to return downed settings of the monitor.

Sometimes when using the mouse cursor begins to spontaneously jump around the screen. Cause of trouble may be a problem with the device itself, malware or improper use of your mouse.

Quite often owners of laser and inkjet printers are faced with zazhevyvaya paper. This may be due to the printer itself and the incorrect position of the paper.

Clicks when clicking the mouse buttons are annoying to many, especially those whose loved ones like to stay too long at the computer at night. Also, this is a problem for parents of young children, which can be awakened by any sound.

Video card - a kind of heart of the computer. It is responsible for the construction of the image on the screen. For some users it may not work for different reasons, but playing on the computer still want.

There are times when the printer starts to print the file, but before that not all print options are set correctly. It is not necessary in such cases to wait for its completion, as in vain wasted ink and paper. You can simply interrupt the printing of the file, then correct the desired settings and print it again. So you can save time, ink and paper.

Many can not imagine life without your favorite music and videos. Wish they always had, for example, in phone. They sat down at the computer, downloaded songs, and then what? How to "push" them to the phone?

Some of the most important performance options installed on your computer "iron" is determined by how many times per second is sent and obtained information from a device (CPU, memory, disk drives, etc.). These parameters are measured in megahertz and is called "frequency". When talking about the frequency it is the mother Boardand not mounted processors and the memory chips, they usually mean the frequency of the data bus.

Mobile phone owners are constantly faced with various problems. One of them – computer does not see phone of Nokia brand. There are a few ways that help to deal with trouble.

Computer steering wheel and pedals - the modern input devices, allowing you to feel full emotions in racing simulators. The wheel and pedals that are configured correctly, can not only give a lot of bright hours, but to help to learn to drive a car.

Novice PC users may be wondering how to copy text with the keyboard, and then paste it to the right place. For this purpose, special key combinations, and special programs and other ways.

Monitor with speakers has low sound quality but saves space on your Desk and frees up one outlet in the extension cord. The audio signal on such a monitor is fed via a separate cable.

External hard drive device for storing and transferring information from one computer to another. These drives are fairly reliable, but sometimes, like any high-tech device they can fail. If it has nothing to do with a variety of mechanical damage, the device can be brought back to "life".

Hard disk — a storage medium which is installed on the computer operating system and software. Therefore, when the failure of the hard disk with the operating system, the computer loses the performance.

Many users do not present their work at the computer without the presence of MFP, printer, or scanner. These devices must be properly connected and configured to perform all the required functions.