It normally takes a really slow mac to finally look for reasons why OS X is running slowly. What was once a blazing fireball of speed is now a sluggish sloth. Multitasking big programs with ease is now watching a rainbow-colored beach ball spin for what seems like forever. So how did our Mac OS X get to be so slow, and what can we do to fix this slow mac? Let's find out.
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A lot of Mac users like to leave several programs running at once. When it's brand new, you won't notice the lag, but after some time, this seemingly innocent preference will cause a big time slowdown. Simply put - if you're not using the program in the next couple hours, then close it down.
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Strange things happen to preference files of the programs that you run. If your Apple computer is slow when you are running a particular program, then try deleting its preference file and relaunching the app. You may consider backing up the old preference file first.
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Free desktop wallpapers are available for use on computers with a desktop kind of user interface. It is a background pattern in the computer, against which menus, icons and other elements are displayed. The free desktop wallpapers are found in either JPEG or GIF file formats. They can be used with Microsoft Windows, Macintosh Mac OS, Linux and other operating systems. Usually, each of the operating systems has several pre-installed wallpapers for the user to use. Once these wallpapers start to get boring, then the user can turn to the Internet to download free desktop wallpaper for use on his computer.
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The images that are used to create free desktop wallpapers are usually raster graphics, which have the same size as the display resolution of the computer. This is to enable the free desktop wallpaper to fill the whole background of the computer. As most of the screen resolutions of computers are proportional, images scaled to fit a different sized screen is found to be in the correct shape. Although wide-screen monitors have different aspect ratio requirements for the free wallpaper, the images that are designed for standard monitors can be scaled to fit to the monitor without any loss of quality.
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Some free desktop wallpapers are found in double-width versions. This is for use in multi-monitor computers where the image appears to fill two monitors. The smaller images can be tiled to act as wallpapers in the computer. If the joints of the images are obvious, or if the images are repeated too many times, then the desktop wallpaper may look very repetitive. Otherwise, if skillfully done, then the effect may look reasonably good.
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The styles of free desktop wallpapers are as varied as people are. They can be made using photographs, 3D renderings, abstract patterns with complex gradients, or drawings. It is always better to have plain areas in the wallpaper to facilitate a better view of the icons. Wallpapers are also created categorically, like of cars, holiday photos, movies, pets, etc. However, those in business and IT departments prefer to use corporate logos or plain backgrounds.
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The terms "wallpaper" and "desktop picture" refer to an image used as a background on a computer screen, usually on the desktop of a graphical user interface. 'Wallpaper' is the term used in Microsoft Windows, while the Mac OS avoid mixing terms by calling it a 'desktop picture'. Earlier, the term "desktop pattern" was used to refer to a small pattern, that was repeated to fill a screen.
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Images used as computer wallpaper are usually a data file or structure representing a rectangular grid of pixels. They are points of color on a computer monitor, paper, or other display device, with the same size as the display resolution in order to fill the whole background. Users with widescreen monitors have different requirements, although images designed for standard monitors can often be scaled up or cropped to the correct shape without loss of quality.
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Wallpapers are available in double-width versions for displaying on multi-monitor computers, where the image appears to fill two monitors. Smaller images can be tiled or repeated to fill large areas and depending on how skilfully the wallpaper is created, the effect can look good. However, if the joint is too obvious, or the image repeats too many times, it would look very repetitive.