Computer technology

Last modified: 2025-01-22 21:01

The webcam is gradually becoming a standard element of any computer system, and most modern laptop models are already manufactured with a built-in webcam. Instructions Such a high popularity of web cameras is easy to explain: this device allows you to get an image of quite acceptable quality at an insignificant cost, it is easily mastered even by novice users, providing a wide range of functions, ranging from video calls to anywhere in the world via the Internet

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Sound is not always played automatically when speakers are connected to a computer. In some cases, certain settings must be made for sound transmission. It is necessary Computer, speakers. Instructions Step 1 It should be noted right away that before connecting, you must install audio drivers on your PC (if they were not installed by you earlier)

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To enter characters from the keyboard, special buttons are programmed on which it is written which character corresponds to pressing this key. There are also special commands for entering additional characters. It is necessary - numeric keypad

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For many, watching movies, clips and various videos on a computer is much more convenient than on a TV screen. At the same time, no one will refuse high-quality and powerful sound that computer speakers cannot give, but which is provided by home theater equipment

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MTS USB modem is a lightweight, compact and versatile device. Some models of modems have slots for memory cards, so you can use them not only for surfing the web, but also for transferring files. And even an absolute beginner can install a modem on a computer and connect to the Internet with it

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Despite the fact that routers belong to the category of high-tech devices, there are problems in their work. Apparently, this is a common problem of any computer equipment, which, due to long-term operation, although rarely, still fails. At the same time, you may often need to simply reboot the router for such problems to disappear

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The webcam has become a necessary and popular accessory with the growing popularity of video telephony services. The scope of its application is wide enough - it is not only the transmission of images, but also video conferencing, computer games, video surveillance

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Modern man cannot imagine his life without electronic technology. The computer began to be used not only for work, but also for watching movies or listening to music, in connection with which its functional equipment is being updated. Instructions Step 1 In order not to occupy the surface of the table with a voluminous keyboard, developers reduce the number of buttons on it, transferring their functionality to the internal interface of programs or creating mult

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Bluetooth is a short-range wireless communication technology that allows various devices to be interconnected: computers, phones, handheld devices. To use this technology, a special adapter must be built into the laptop or computer, which can be found in the list of computer devices

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To connect a computer to the Internet via cable lines, it is often necessary to use a network controller. Also, an Ethernet controller is required to connect to some types of wireless networks. It's not about connecting the device to the motherboard, but about turning it on in the system itself

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Accustomed to the fact that in the Windows operating system, basic commands are activated by a double click of the mouse, one might be surprised to learn that the same commands can be activated with a single click. This can be done after changing the system settings or using an additional mouse button

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Mobile phones, players, e-books can play music files. Flash memory is used as a storage for all these devices - by far the cheapest and most convenient way of storing information. Sometimes these are removable cards, more often built-in memory

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The convenience of flash drives and their wide availability has a downside - flash drives can contain very important information, and it is due to their compactness and small size that they are easily lost. A lost or stolen flash drive can fall into the hands of intruders, and the safety of your confidential information - personal files, work and educational documents, reports and much more - will be at risk

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Surely everyone at least once faced with the inaccessibility of files on a USB flash drive. There may be many reasons for this (incorrect extraction, physical damage, accidentally deleted files), but there is still hope to recover the coveted data

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Wireless broadband access to a variety of networks is becoming more common. The availability of wireless Internet access via wifi in cafes and entertainment centers has become almost a standard, wifi networks are widely used to access corporate networks, allowing you to save considerable amounts of money on creating and maintaining a cumbersome web of wires

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Laptop computers are equipped with built-in webcams, and many new laptop owners are asking a reasonable question: how to turn on this camera? Do not look for special buttons on the body of your gadget - the camera is activated using the software, and all the drivers necessary for the device to function are supplied with the laptop, and you will need their additional installation only if you reinstalled the OS yourself after purchasing

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The bluetooth wireless communication protocol has become widespread in a variety of mobile devices. It is already quite difficult to imagine a phone or communicator without the support of this protocol, a wide range of peripheral devices, from a headset for talking on a mobile to portable and stationary printers

Last modified: 2025-01-22 21:01

The built-in microphone in a modern laptop is a huge advantage compared to older computers, when you had to buy a microphone, connect it to a computer and put it next to it: extra money, extra time, extra space. But the built-in microphone also sometimes does not turn on automatically

Last modified: 2025-01-22 21:01

To exchange information with a laptop, it is not necessary to connect your mobile phone via a USB cable, because finding bluetooth in a laptop is very easy. It is necessary • Control panel, keyboard. Instructions Step 1 Take a close look at your laptop keyboard

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If you want to make an electronic photo album, upload photos to a website or simply organize them into folders, it turns out that many of them are on your phone. To get the most out of your images, you need to transfer them from your Iphone to your computer

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With the spread of the Internet, many users have appreciated its advantages in the field of communication with people who live very far, all over the country or even the world. E-mail, ICQ, Skype are convenient means of communication. And if the first two support mainly text communication mode, then using Internet telephony you can use voice or even video communication, but in order for your interlocutor to hear you, you need a microphone

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Once you turn on the laptop, you may notice the lack of sound. Lack of sound indicates a malfunction of the audio equipment or incorrect setting of some parameters. There are several ways to identify incorrect settings. Instructions Step 1 To turn on the sound that suddenly disappeared, you can use the speaker volume control

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By holding down the Fn button, and then any multimedia key with an additional symbol, you can adjust the sound volume, screen backlight, and enable battery saving mode. However, sometimes this key gets in the way, especially if something went wrong during the reinstallation of Windows, or you just want to have access to the desired function without additional pressing

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Keyboard backlighting is available only on some laptop models. Without a doubt, this is a very convenient option that allows you to work comfortably even in complete darkness. If you have a backlight, you need to know how to turn it on. Instructions Step 1 The keyboard backlight turns on when you press the Fn key and one of the additional keys

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The wireless mouse is very easy to use and allows you to modernize and tidy your workspace by eliminating the need for cords. But if you've never worked with wireless accessories before, setting up a wireless mouse may seem daunting. Ideally, use the instructions that came with your mouse

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All modern laptops come with a built-in microphone, which frees you from the hassle of buying it separately. But it happens that the built-in microphone does not function, and if the problem is not a malfunction of the microphone itself, it is worth visiting the system settings

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The main problem with some laptop models is the poor quality of the cooling system. This is usually due to fans running at 30-50% of their maximum power. Instructions Step 1 More often than not, laptop coolers don't work at full capacity

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The problem when Windows does not boot on a laptop is familiar to many. Usually the problem is solved by reinstalling the problematic operating system. Although a more humane solution can be found in this situation. You can simply boot Windows into Safe Mode and fix the problem

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Modern laptops from Hewlett-Packard are equipped with built-in webcams that allow you to conduct online business conferences without installing additional equipment, as well as communicate with friends and colleagues. At the same time, in some cases, users experience difficulties because they cannot turn on the webcam

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Networking your desktop and laptop computer can provide you with many benefits, from fast file transfers and home networking to playing online games with friends and family. In this article, you will learn how to properly network a computer and laptop

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Locking the keyboard of a laptop is often performed by pressing a combination of any button together with Win. The keyboard shortcut options for unlocking are different depending on which laptop model you have. It is necessary - User's Manual

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The commands for entering BIOS on laptops can be completely different even from the same manufacturer. This is due to the fact that each of them has different models of motherboards. It is necessary - skills of work in the BIOS system

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Most mobile computers are designed to work with wireless networks. Almost every laptop has a built-in Wi-Fi adapter, which is required to connect to certain networks. Instructions Step 1 To connect to a wireless network, you need to activate and correctly configure the Wi-Fi adapter of your mobile computer

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Today, when face-to-face communication fades into the background and more and more people begin to communicate "blindly" - in messages via social networks or mail, webcams are becoming very popular, allowing you to broadcast your actions to any corner of the planet

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There are several types of wireless settings for laptops. This can be connecting to a ready-made Wi-Fi hotspot or creating your own connection to another computer or laptop. Instructions Step 1 Most laptops already have a built-in Wi-Fi module

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Users are often faced with a situation where the program does not work correctly. This happens most often with computer (especially casual and indie) games. For example, it takes a lot of effort to run some games in full screen mode. Instructions Step 1 Expand the window in the game settings if the application stubbornly starts in windowed mode

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With the development of the Internet, viruses began to annoy users more and more. If earlier they were "harmless" programs, distributed with a specific purpose in a specific network, now this attack, which is everywhere. A rare virus can cause serious damage to the operating system, but spoil its performance and performance, or simply irrevocably spoil some, sometimes very important, files - it's easy

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Often documents created in Microsoft Word are protected from alteration with a password. Then you will not be able to edit the document without knowing the code combination. What to do in such situations? It is necessary - a computer with the installed program

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If the operating system does not start, you can try to restore it through the BIOS menu. In the BIOS, you can start the system recovery process using a special recovery disc or using ordinary bootable media with an OS. It is necessary - boot disk with Windows XP OS

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Setting up the forwarding of incoming e-mail messages in the Outlook application included in the Microsoft Office suite does not require the involvement of additional software and can be carried out using the standard tools of the program. It is necessary Installed Microsoft Outlook Instructions Step 1 Use the easiest way to set up incoming message forwarding

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If you reinstall the program or manually delete your message histories in Skype, you have several options for restoring it. Especially if you have not previously reinstalled the operating system with full formatting. Instructions Step 1 To recover deleted message history from Skype, use copying history files from computers of your interlocutors, since it is duplicated for both contacts

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The situation when a program cannot be removed from the system is familiar to many Windows users. This problem can be solved using standard operating system tools or third-party software. Instructions Step 1 To properly uninstall the program, first of all, you need to close it, and then go to the "

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If the screen resolution is incorrectly set in Counter-Strike, a black screen appears and the game becomes unusable. In this case, you need to either edit the configuration file or enter commands through the console. Instructions Step 1 Start the KS console using the "

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Adobe Flash Player is a multimedia player that allows us to enjoy audio and video files through a web browser. Also "Flash Player" is useful for those who like to spend time on-line games. The player is absolutely free, and the only thing it cannot do without is without a systematic update

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Video files are considered one of the most cumbersome in the digital world. Sometimes it may be necessary to compress such a file, but reducing the size usually leads to a loss in the quality of the final product. However, you can minimize losses or even try to avoid them

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The Paint raster graphics editor was originally created as a curriculum project for several senior American students. Today, two of them work for Microsoft, and Paint is distributed with every distribution of the Windows operating system. The capabilities of this tool are quite sufficient for solving many common graphics processing tasks, including combining two source photos into one

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With the help of a personal computer, you can burn music to a disc, and the quality of the recording will not differ in any way from a regular disc purchased in a store. Using a computer, you can create standard music discs as well as discs with mp3 files that can be played on any consumer players

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If a runtime error occurs when starting an application and the application closes, there are ways to remedy this situation. How can this be done? It is necessary - a computer. Instructions Step 1 Determine the reason why this error may have occurred

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Word is a convenient universal program for typing and editing text included in the Microsoft Office suite. It offers users almost unlimited possibilities for word manipulation. Use a text box to make your document more business-like or to highlight certain points

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Microsoft Excel is a spreadsheet tool and therefore presents data in a tabular format by default. The creation of a table in this application is carried out in just two steps: data entry and border design. However, as in other MS Office applications, the desired result in Excel can be achieved in several ways

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Sometimes users of personal computers recklessly close open documents, forgetting to save the file. Files lost in this way can still be restored if some options have been emphasized in the program settings. It is necessary Microsoft Excel 2010 software

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If you are thinking about overclocking your system, first it is advisable to increase the rotational speed of the coolers. This applies to both the processor cooler and the fan, which is attached to the computer case. Most motherboards have a manual fan setting option

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The Internet gives a person ample opportunities for communication. If not so long ago the most popular methods of communication over the Internet were all kinds of chats, correspondence via e-mail, etc., now the Skype technology is gaining more and more popularity, allowing not only to communicate with an opponent directly, but also to see him

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With the advent of support for high-speed Internet on mobile devices, users are increasingly faced with the problem of playing videos on their phones in standard browsers. You can solve it using the multi-functional Opera Mini browser. It is necessary - Internet connection

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With the advent of high-speed internet, the online video viewing function has become very popular among PC users. There are plenty of advantages here - you can watch a movie without downloading it and without purchasing a disc in a store, and recently the function of watching videos in high definition has also appeared

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Corel Draw is a graphics editor designed for working with vector graphics. It allows you to work with a variety of projects, from logos and web graphics to brochures and signs. It is necessary - a computer with Internet access

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Formulas in MS Excel are "sliding" by default. This means, for example, that when cells are auto-filled by column in the formula, the row name will automatically change. The same happens with the column name when autocomplete the row

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If you decide to write your own computer program, first think again, do you really want to do programming? After all, writing your own program is a rather laborious task, and only at first glance it seems simple. But, if you have finally decided to write a program, here are some tips on this topic

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1C-Enterprise is one of the most common programs that are used to maintain accounting records in enterprises. Sometimes it becomes necessary to reinstall the system or replace the computer, then you need to solve the issue of transferring the bases

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Cross stitch is an ancient way of decorating clothing, household items, and generally a popular embroidery method. You can create a pattern for cross-stitching yourself, both with the help of specialized programs, as well as graph paper and colored pencils

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An integrated webcam in a laptop is a very useful thing. You don't need to think about how to organize video chat with friends. You just need to install a program like Skype, and everything will work automatically. If the webcam is present in the laptop, but does not work, the following procedure will help you

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The spreadsheet editor Microsoft Office Excel allows you to easily perform calculations with relatively small data sets. This application has its own set of rather complex functions, and operations such as adding percentages can be performed without even involving them

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To visually highlight table cells that have something in common - fully or partially coinciding values, the same font, background, etc. - in Microsoft Office Excel there is an option called "Conditional Formatting". It allows the user to indicate to the spreadsheet editor which matches should be identified in the cells, how strictly the identity check should be carried out, how to highlight matches and other parameters of this operation

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Working through a proxy server allows you not to reveal your real ip-address when visiting web pages. But in order to work anonymously on the network, you should be able to find a suitable server and properly configure your browser. In particular, you need to enter the proxy address and the port it uses

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In some situations, it is necessary to limit the Wi-Fi channel speed for certain devices. Sometimes this requires configuring not only the device that sends out the Wi-Fi signal, but also the equipment that receives it. It is necessary - NetLimiter

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If you decide to install a Wi-Fi router at home in order to create your own local network with Internet access, then it must be configured correctly. This requires taking into account many nuances related to specific situations. It is necessary - network cable

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In situations where it becomes necessary to connect two laptops or netbooks to a local network, it is recommended to do without network cables. This threatens to lose data transfer rates, but retains the main advantage of mobile PC data. Instructions Step 1 Most wireless adapters on mobile computers do not support Soft + AP (Create Wireless Access Point) function

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In a situation where you have a computer and a laptop at your disposal, it is recommended to create a combined local area network. For this purpose, you need a Wi-Fi router (router). It is necessary - Wi-Fi router; - network cable

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If you use DSL Internet and want to connect several computers to one cable, then use a router. Usually this method is used to connect laptops, because it is difficult to find a Wi-Fi DLS modem. It is necessary - network cables

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Connecting by using Remote Desktop for Administration does not require a separate terminal server client access license, but it does require administrator access to computer resources. Instructions Step 1 Remote Desktop Service is disabled by default

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In modern conditions, the problem of security and anonymity on the Internet comes to the fore, since each user wants to protect his system from malware. A proxy server is a special network service that allows a client to make various indirect requests to other network services

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When setting up a router, it is very important to correctly distribute the Internet channel. This will avoid a situation in which several devices completely load the network, preventing the rest of the equipment from using access to the World Wide Web

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A certain category of users asks the question of connecting the system unit to a laptop. The way this connection is made will depend only on its ultimate goal. It is necessary - network cable. Instructions Step 1 Use a network cable to create a local area network between laptop and computer

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There are several methods of transferring data from one computer to another. Naturally, the most logical of them is the method of building a local network, provided that the computers are close enough to each other. It is necessary - network cables

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Some users tend to unite all their computers and laptops into a single local network. Most often, this is done to configure Internet access from all of the above devices. It is necessary - switch; - network cables. Instructions Step 1 In the event that you need to configure the connection of three or more computers to one Internet line, use a network hub (switch)

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Sometimes it becomes necessary to make a server on the Internet out of your home personal computer. This may be due both to the desire to simply place your site on "home" hosting, and to the need to put some files in public access

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When building your own local network, several nuances must be taken into account. Naturally, if you need to connect networked computers to the Internet, you need additional equipment. It is necessary - switch; - network cables

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Sometimes it is required to create a local network in which one of the computers will act as a server. This is done in order to provide all other devices with access to the Internet. It is necessary Network hub, network cables

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In some situations, you need to create a network bridge to set up a full blown LAN. This will allow you to combine multiple network adapters into a single structure. It is necessary Two network cards. Instructions Step 1 Typically, a network bridge is created to connect multiple computers to the Internet

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Many are already using wireless devices to create local home networks. But not everyone knows that you can synchronously connect a DSL modem and a Wi-Fi router to create a combined network. It is necessary - network cables. Instructions Step 1 If your ISP provides DSL Internet services, you can purchase an appropriate Wi-Fi router, or use this device with a WAN port in conjunction with a DSL modem

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A proxy server allows users on a local network to access the Internet. It also has another side - the proxy server helps to hide its presence on some resources. A good proxy server helps to optimize caching and traffic, and, accordingly, increase the speed of the Internet

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When setting up a local network in which several devices will simultaneously access the Internet, it is better to use a router or router. Naturally, we are talking about a Wi-Fi router, if you also need to connect laptops to it. It is necessary - Wi-Fi router

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Using a network cable, you can connect computers to a local network. This will allow you to exchange files, play computer games, use the shared Internet and printers. It is necessary - fiber optic cable; - LAN card. Instructions Step 1 Purchase the required length of fiber optic cable

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Sometimes there are situations when a computer needs to be hidden on the network so that its icon is not visible in Network Neighborhood. This may be necessary if you want to increase the security level of the server with accounting or protect your home computer from outside attacks

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In order to properly reconfigure the operation of the local network, it is sometimes necessary to change the type of the IP address from dynamic to static. This applies not only to network adapters, but also to various routers or routers. Instructions Step 1 If you need to give your computers static IP addresses for your network to function properly, follow these steps

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Several different methods can be used to create a local area network between a desktop computer and a laptop (netbook). The choice depends on your financial capabilities. It is necessary - Wi-Fi adapter. Instructions Step 1 If you want to make a wired connection of a stationary computer to a netbook, then purchase a network cable and an additional network card

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To create and configure such a local network in which all devices will access the Internet, it is recommended to use a router (router). To connect laptops and communicators to the network, this equipment must have a wireless network support function

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To create a home or office combined local area network with Internet access, it is recommended to use a Wi-Fi router. This device helps to connect a fairly large number of laptops, computers and printers into a single network. It is necessary - Wi-Fi router

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Today, a huge number of various services are available on the Internet, from social networks to electronic exchanges and online games. Such services are built using client-server technology. The client software displays the data received from the server, and also sends him requests to perform any action

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A proxy server is a computer that mediates between the user's computer and computers on the external network. The proxy server accepts requests for information from client systems, receives information from the network (most often global) and returns a response to the request

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Not all online services provide the service of direct downloading of video materials from their resources. The social network Odnoklassniki is no exception. In order to open such an opportunity, you just need to "arm" the browser a little

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Media such as flash drives and memory cards are often subject to various types of damage. Loss of information or accidental formatting of the storage medium may occur. Therefore, there are ways to recover data from flash drives. It is necessary - a computer

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Probably, many users are familiar with the situation when, when trying to write information to a memory card, a notification appeared that it was write-protected. Of course, this makes you want to remove the protection. After all, why then do we need a memory card, if not for storing and copying information?

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Cache memory is a fairly old tool. It was made part of the operating system in the very first versions of Windows. Cache memory is a system storage that makes it possible to store information necessary for RAM for some time. This tool allows the computer to access certain files very quickly, with minimal waste of time

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If you've accidentally deleted a hard drive partition, don't be in a hurry to despair. It can be restored. There is no guarantee that all the files stored on it will be in good order, but the percentage of information retention is quite large

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If you have no sound at all or wheezing and rattling are heard from the speakers during playback, then you do not have drivers installed on your sound card. For multimedia programs to work correctly, you need to install drivers on your sound card

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Thanks to the BIOS, the basic input-output system, the computer starts and the operating system can work with its hardware. It is in the BIOS that many system parameters are initially set, including the ability to connect USB drives. Instructions Step 1 Usually, USB device support is enabled by default in the BIOS

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There are two ways to increase the performance of a video card. If you do not want to change the characteristics of the video adapter, then change the parameters of its operation by adjusting the software accordingly. Instructions Step 1 Install the latest software for your graphics card

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Hardware acceleration allows parts of your computer, such as video and sound cards, to take over tasks without overloading the processor. This can be expressed in decoding video or sound with the appropriate hardware in the computer. It is necessary - a computer - drivers for video and audio cards Instructions Step 1 Hardware acceleration currently requires a lot of applications that work with video and sound

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Various situations may arise when using a computer. One of them is the formatting of the hard drive, which is done through the BIOS. Many people think that this process is impossible, but it is not. To format the hard drive through the BIOS system, you need to do certain operations