Connect a Laptop or Desktop Computer to a TV Easily
Connect a Laptop or Desktop Computer to a TV Easily
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Suppose you wish to watch a movie or share a slide-show of
pictures with your family on your PC but have a screen that leaves much to be
desired. In such a situation, you can connect your computer to a television
screen to allow your entire family to enjoy comfortably.
There are many ways in which you can connect your laptop/
computer to a television. However, the overall video quality will be
different for different methods. You can choose which one to use based on the
quality or the availability of hardware. The first step is to know what type of ports and
connections your TV and computer have. If you already know the type of ports
and connections available on your hardware, you
can directly jump to Step 2. If not, then the
different types of ports are explained in detail below:-
1) RCA/Composite:
The oldest and the lowest quality connection available. They are the Yellow,
Red and White connections most of us are familiar with. Yellow is used for
composite video, white for left analog audio and red for right analog audio.
2) S-Video: S-Video or Super Video offers slightly better quality than Composite connections. As it is one of the oldest type of connections available, most televisions and computers have it. There are two types of S-Video ports, one containing 4 pins and the other containing 7 pins. This type of connection is used only for video. So you will need to connect an audio cable from your computer's headphone jack to the red and white audio inputs on your TV if you want audio to work. 3) VGA(Video Graphics Array): Most computers and televisions have a VGA port. It offers much better quality than S-Video and should be preferred if you have a HDTV. Older CRT TVs however, will not have a VGA port and will require a PC to Television converter. Just like S-Video, VGA also does not support audio and will require an additional audio cable.
4) DVI:
Digital Video Interface offers much better quality than VGA connections. Most
laptop computers and HD TVs will have these connections. Just as the name
suggest, this type of connection can be used only with digital TVs. Also like
the previous two, DVI connections also require the use of an audio cable for
audio to work.
5) HDMI: The highest quality connections available. Most HD TVs will have this connection, however, chances are that your computer would not. If your computer happens to have a HDMI connection port, this should be preferably used. If your computer doesn't, you can use an HDMI to DVI adapter to convert HDMI to DVI.  Step 2: Once a common type of port between the two devices is recognized, you will need the right connector cable to physically connect them. The different types of connector cables are pictured above. If you do not find two matching types of connection ports, you will need an adapter to make the connections type match. Step 3: After connecting the two devices, on your TV, select the external input with which your TV is connected to the computer. It may be HDMI1 or AV1 depending on how you have made the connection. This is much similar to how you select input from your DVD player. If you have followed the steps correctly, your TV should now be displaying your computer's screen. Important: If your computer is not recognizing the external display, you must connect the TV before starting your computer. If the picture appears distorted, you will need to change the screen resolution of your TV by altering the display settings from your computer. Most older TVs will support only one display resolution while newer TVs will support plenty of them.
With this trick, you can disable access to your USB(Universal
Serial Bus) ports on your Windows based PC to prevent people from taking out
data without permission or spreading viruses through the use of USB (pen and
flash) drives.
To use this trick to disable USB ports, follow the steps given below:-
1. Click
on Start.
2. Click
on Run. If you cannot find RUN, type it in the search box.
4. Navigate
to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\usbstor.
5. In
the work area, double click on Start.
6. In the Value
Data box, enter 4.
7. Click
on OK.
8. Close Registry
Editor and refresh your desktop.
9. To
re-enable access to your USB ports, enter 3 in the Value Data box
in Step 6.
 Try it yourself to make your PC invulnerable from data theft and malware which spread through USB ports. This works on Windows XP, Windows Vista, Windows 7 and Windows 8. Note: This trick also disables access to your USB connected peripheral devices. So, do not use it if you have USB connected keyboard and mouse. 
©
Abhishek Srivastava
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