For most students and many professionals, a computer is a necessity. A laptop adds the flexibility of being able to work or surf the Net away from home. Even though prices for computers and laptops have become more affordable, buying one still requires hundreds or thousands of dollars. Financing can make it easier to purchase a laptop computer, but with bad credit, obtaining financing can be a challenge. Writer Bio

Choosing a high-speed Internet provider can be a challenging task, especially considering there are more options these days than ever. With high-speed Internet, price and speed of the connection are generally related. Less expensive options will generally be slower. Consumers should be prepared to spend at least $30 to $40 per month or more if they are looking for an option with considerable speed. Writer Bio

Instagram remains a big party – as of August 2013, over 130 million users worldwide post roughly 45 million photos to the service each day. Taking a little time to figure out if you want to be more in the “center” or more in the “corner” of the Instagram party by making your photos private is a shrewd move, especially when considering that your Instagram profile is now also visible on the Web....

Connect the iPod Nano to your computer with its USB cable and open iTunes. Click the iPod Nano’s name in iTunes. Click the “Summary” button to view a list of options for the iPod Nano. Click “Restore Nano.” A prompt opens asking you to confirm the restoration. Click “Restore” to confirm the restoration and begin the restoration process. When the restore process is complete, a message opens informing you that the iPod Nano has been reset to factory settings....

What started as AuctionWeb from the company Echo Bay in 1995 was originally designed to sell one-of-a-kind collectibles, much simpler than what eBay is now. EBay has evolved to offer listing formats tailored to the needs of sellers who want to offer more than one item. Which listing format you choose depends on the types of goods you want to sell and how your multiples differ from one another. Writer Bio

Audio racks come in a variety of sizes and space heights to suit user application and equipment needs. Used to mount audio components adhering to industry width and height standards, racks serve to consolidate equipment in stationary or mobile environments. Racks help minimize cable obstructions by rear interconnection of audio components and allow easy access to device controls and front-mounted patch cable devices. Writer Bio

Updated September 18, 2017

Today’s media-saturated society requires more and more efficient ways of storing and displaying video. Codecs are methods of storing a video–essentially the language in which a video is stored. Codecs are continuously updated and made more efficient. Essentially newer codecs say the same thing as old ones but in fewer words. H.264 became an instrumental codec in the web video boom, providing content makers with a method to store tons of video online in dramatically less space than before....

A TracFone works differently than many other cellphones in that the user purchases time in advance, rather than signing a contract. This eliminates hidden charges, roaming fees and credit checks. The customer pays for only as much time as he needs. When he makes a call, he uses or spends his minutes. In addition to getting basic cellphone service, TracFone owners can tap into some beneficial programs just by knowing a few handy “secrets....

Global Positioning System technology feeds electronic navigation devices with location data that helps guide aircraft, ships, vehicles or pedestrians toward their destinations. GPS uses some fairly complex calculations, largely based on the trigonometry surveyors use. Satellites in space transmit precisely timed signals to the GPS receiver, which determines latitude, longitude and altitude to within a few yards. d^2 = Re^2 + Rs^2 + 2ReRs*Cos(L) Here, “d” is the distance from the satellite to the receiver, “Re” is the radius of the Earth, “Rs” is the radius of the satellite’s orbit, and “L” is the angle formed between the straight lines from the center of the Earth to the satellite and from the center of the Earth to the GPS receiver....

For the home user looking to record audio on a computer, there are two microphone formats to choose from: USB and analog. USB mics connect to any open USB port, and include their own processing hardware and drivers, while analog audio mics input through a 3.5mm jack and rely on the computer system for processing. This makes the choice between mic types largely dependent on the quality of existing sound hardware in the computer....

Vizio Blu-ray players offer a variety of video and audio outputs that make the players compatible with almost any TV and stereo receiver. Vizio Blu-ray players offer composite, HDMI and component video outputs, and standard, optical and coaxial digital audio outputs. If you are experiencing problems with your Vizio Blu-ray player, trying resolving the problems through troubleshooting to see if you can fix the problem on your own before consulting a professional repair person....

Internet service providers are able to offer consumers faster broadband speeds today than ever before. It is now possible to download the equivalent of a compact disc in minutes. As a result, many software companies offer software downloads instead of or in addition to physical discs in stores. Software downloads give consumers access to more computer software at a lower price. Writer Bio

Many users on T-Mobile’s GSM wireless phone network have phones with the open to add a personal identification number (PIN) to their device in order to keep it secure. This code generally consists of four to eight digits. When PIN locked, the phone retains it’s emergency calling capabilities, but little else. However, when the wrong pin is entered three or more times, the phone, the SIM card inside, or both become locked....

If you see a reference to a D-Sub signal input on a projector or LCD television, it refers to an incoming VGA, or video graphics array, connection. These would typically be used to connect a computer or laptop. Writer Bio

Crackling sounds in a pair of headphones can be frustrating, alarming or even harmful depending on how severe or consistent they are. There are several possible causes for headphones crackling that can often be remedied easily. It is important to consider every possible cause for headphone crackling before replacing or further damaging your device. Writer Bio

If you routinely open Microsoft Office and begin typing, it may not occur to you to play with how your text appears on the page. That’s because the Office Suite sets sensible defaults for you, but margin justification isn’t set in stone. You may find it beneficial to vary from the default setup that Microsoft provides you with or you may determine that sticking to the straight, narrow and not-so-jagged is the way to go....

When your iPhone becomes stuck on the Apple logo, it could be a simple problem that can be fixed by charging or resetting your device; however, it also could indicate a more serious issue that requires a restoration or even replacement. When troubleshooting your device, begin with the most basic steps and then progress to the more advanced steps.

A Dell PCI (Peripheral Component Interconnect) serial port is a printed circuit board expansion card that fits inside a Dell computer, to provide a serial connection between the computer motherboard’s PCI bus, and external hardware that utilizes serial signals. Writer Bio

To understand what a fast ethernet switch is, first you’ll need to understand two separate networking terms: “fast ethernet” and “switch.” Put together, they make a tool that sends out data at high speed over a network. Writer Bio