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A projection TV can give a user thousands of hours of enjoyment if used properly with regular maintenance. Unfortunately even the best TV can develop issues, especially with the picture quality. Many of these issues will require the attention of a professional, but some problems are specific to projection TVs and if diagnosed properly can be fixed by an owner without requiring a trip to the TV repair shop. A lamp that has had dirt deposits on only one area of the light’s surface can develop uneven temperatures in this surface, causing what’s known as a hot spot....

Laptops are great for people who don’t want to be tied to a desk when using a computer. With a laptop, you can do your computing just about anywhere, from airports and offices to hotels and at home. In your house, a laptop can migrate with you from room to room, and you can even use it in bed. It’s important to remember, however, that when you’re on your laptop from the cozy comfort of your bed, you should be aware of your body’s position and follow proper ergonomics....

When it comes to CPUs (Central Processing Units) for the home desktop, AMD and Intel are the dominant choices. It may not be clear at first which choice is best for your purposes, but there are several ways in which they differ. Writer Bio

Recent years have seen underwater photography become much more fashionable with cheaper devices available for people to capture underwater fun and wildlife. Snap Sights make a range of inexpensive cameras that can be reloaded with film and used again underwater, if cared for properly. The cameras are simple point-and-shoot devices and come pre-loaded with 27 exposure 800 ASA film. The waterproof housing must be opened to access the camera to change the film....

In the quest for better sound, something that should never be ignored is the space that speakers operate in. Whether that means the room the speaker plays in or the inside of the speaker’s cabinet, Polyfill stuffing and acoustic foam both serve different purposes. Proper use and understanding of the materials will help you make that next speaker build sound better than before. Writer Bio

Google SketchUp is a 3-D modeling tool available under the name SketchUp in a more consumer-friendly format and as SketchUp Pro for professionals. Although SketchUp is free to download and use, it does not have some of the advanced features of SketchUp Pro. The system requirements for both versions are the same. Learn more about the minimum and suggested system specifications for SketchUp to ensure optimum compatibility with your computer....

There are quite a few different concepts that go into encrypting messages. While the government has developed standards for encrypting message through the Advanced Encryption Standard, it has also developed the Secure Hash Standard for authentication purposes. Both work to secure transmitted data. In order to understand how they differ, however, you need to understand the difference between encryption methods and cryptographic hash functions. Writer Bio

Microsoft Excel is one of the fundamental computer programs used for accounting and financial services. It allows banks to respond more quickly to customer and client needs, to have better knowledge of the status of their financial assets, and allows a banker to service more clients with less work. Writer Bio

Toshiba has come a long way when it comes to the battery life in their laptops, but that does not make them immune to the occasional hiccup. Poor charging practices can cause issues with battery life, and power-sucking settings can deplete a charged battery, especially an older one, at a surprising rate. For many Toshiba laptops, even temperature can affect whether and how your battery charges and discharges. Writer Bio

Although the touchscreen on a Panasonic Toughbook laptop is sturdy, it won’t work if the screen’s drivers are missing or damaged. Damages to touchscreen drivers are caused by conflicts with peripheral USB devices, such as a mouse. They are also caused by operating system problems. If your Toughbook laptop’s touchscreen isn’t sensitive enough or isn’t responding at all, Panasonic provides solutions to optimize the screen’s performance. Writer Bio

TurboTax is software that helps users file their federal and state taxes, and it comes in several versions, each designed for a specific financial and tax situation. TurboTax Basic, for example, is the more simple package and is recommended for users who do not have complex financial transactions to report on their taxes, while the Deluxe edition has some extra features for users who have more to report. Knowing how each is different can help you identify what kind of user you are and which version is more appropriate for your needs....

Propane gas lines are manufactured using a wide variety of piping raw materials such as copper and plastic. Interior gas lines can be installed in homes and businesses which utilize durable, long-lasting piping materials. The gas is carried through gas piping located in walls, ceilings, foundations and attics of residential buildings. Writer Bio

Use MS Word tables to place information into rows and columns. Alternatively, you can use tables as a way to position images that would otherwise be hard to place in the overall layout of a document. Word tables are the perfect easy way to display complex visual information in a page easily. You can also use tables in templates to simplify a complex layout.

In any major electronics store, the average consumer can be a bit overwhelmed by the options available for HDTVs. A number of manufacturers have models lining the shelves, some well-known and some less so, with different screen sizes and different price levels. Two manufacturers that may not have the name recognition of others are Vizio and LG, and before making the big-ticket purchase of an HDTV it can be helpful to know how they measure up, both to each other and to the competition in general....

In today’s digital age, law enforcement officials and even employers may find it easier than ever to take advantage of camera and wiretap surveillance. Surveillance cameras now line many public streets and workplace locations in an attempt to monitor activity and law enforcement agencies continue to use wiretapping to aid in investigations. Although this is becoming more commonplace, there are both advantages and disadvantages to using this technology. Writer Bio

Your television isn’t going to work perfectly forever. Over time, the parts inside a TV set slowly wear out, and although a TV should last at least the length of its warranty (or, with luck, much longer), it’s not impossible for a TV to exhibit strange behavior, like flickering and flashing like a strobe light. Unless you intend to run a dance club in your living room, this behavior is not acceptable....

The Apple iPhone is a leader in overall market share of smartphone operating systems as of early 2011 and it’s still on a path of growth. IPhone customer loyalty is among the highest for smartphones. Though many of the features of the iPhone are similar to other devices, there are some factors that set it apart from other smartphones in the market. Writer Bio

Motorola’s series of SURFboard cable modems is widely used by Internet service providers. Like other modems, they use a series of lights to provide users with information about their status. Any computer user who’s familiar with those lights and their meanings can tell at a glance whether the modem is working as it should. Writer Bio

Unfortunately, not everyone on a social network can be counted on to be mature and friendly. An Internet troll, for example, will go out of his way to stir the pot and cause trouble or frustration for others. Avoiding trolls and not responding to them may help get them to leave you alone. Writer Bio

You’re under no obligation to accept every friend request that comes your way on Facebook; if you’d rather not be linked to someone in this way, you can hide the request or delete it completely. The person in question receives no notification that the request has been hidden or removed. Writer Bio