How to Reimage a Macintosh Computer (6 Steps)

Attach an external hard drive to your Macintosh that has at least as much storage capacity as the space used on the drive you are imaging. You can skip this step if you already have a second drive with enough free space.
Launch the Disk Utility application from the Applications/Utilities folder.
Select the drive you wish to image by name in the list on the left-hand side of the Disk Utility window. This list will also include drives by their serial number. You should usually ignore these in favor of the named drives; however, select the drive by serial number if you want to create a single image of a drive with two or more partitions.
Choose 'File' > 'New' > 'New Disk Image from...', which will display the name of the drive you have selected.
Select the external drive in the Save dialog. If you wish, select a compression format and encryption method. Compression will create a much smaller disk image which still contains all the information on your original drive. Encryption will require a password before the disk image can be opened; if you lose this password, you will not be able to access the contents of the disk image.
Click 'Save' to create the disk image. Disk imaging can take a long time, especially if you are creating a compressed or encrypted disk image. You can continue to use your Macintosh during this time, but it will run more slowly due to the disk access required by the imaging.
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How to Use a Macbook

Connect the MacBook's power supply by attaching its MagSafe connector to the port in the top left corner. The power supply plugs into any power outlet. If you need more cord length or a more secure connection, disconnect the plug prongs from the power pack and connect the included extension cord with a grounded plug at the end.
Turn the MacBook on by pressing the start button, which is in the top right-hand corner of the console. It has the standard power symbol of a circle with a line through it.
Navigate the MacBook's available applications on the dock located at the bottom of the screen. The standard programs on a MacBook include the calendar program iCal, the web browser Safari, the music-sharing program iTunes, the media player QuickTime, the online photo album iPhoto and iLife, which creates media files through iDVD, IMovie and Garage Band.
Open the Finder window in OS X by clicking the smiley-face icon at the dock's far left end. You can access your files in this window, which are organized by downloads, movies, pictures, music, documents and more. You can also search hard drive devices and other places with the lists on the far left.
Click on 'Applications' on the left side of the Finder window to search through all the applications on the MacBook, including the ones not seen on the dock. If you want one of these programs on the dock, drag the icon onto the dock and the icon will be added.
Access System Preferences by clicking on the square icon with gears. In this window you can set up and customize things such as the security settings, parental controls, software updates and wireless networking.
Connect peripheral devices to the MacBook using any of its four available ports. The MacBook comes with two USB ports, a FireWire port and a mini-DVI port. These are all on the computer's left edge with the power connector and Ethernet port. Audio input and output ports are on this side as well.
Insert CDs or DVDs into the disc drive on the computer's right side. The drive will read all CD-ROMS with Mac-compatible software, along with music CDs and DVDs. While all MacBook drives have a DVD player, they don't all have a DVD recorder. Check with the dealer for your model.
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How to Determine If You Need More RAM in Your Computer

Eliminate any problems that could be causing effects that you may mistakenly blame on a lack of RAM. Use measures such as scanning your computer for viruses, defragmenting your hard drive and making sure at least 10 percent of the capacity on your hard drive is unused.
Look out for specific problems that may result from not having enough RAM. The main one is applications running slowly and being unresponsive. Less common ones include parts of the display on your screen appearing to be missing, or on-screen messages explicitly referring to a lack of memory.
Keep track of the problems you experience over the course of several days, noting which applications you are running. If the issue is related to a lack of RAM, the problems should happen regularly and not necessarily be affected by the particular application you are running.
Check how much RAM your computer uses. Open and run a typical combination of applications that you would normally be running at the same time. Then open Windows Task Manager by clicking the Start button (the Windows logo at the bottom left of the screen), typing 'task manager' and pressing the Enter key. In Task Manager, keep an eye on the figure next to 'Physical Memory' while carrying out a range of typical tasks in the applications you have open. If the listed figure is consistently at or close to 100 percent of memory, you may benefit from added RAM.
Check whether your operating system is 32-bit or 64-bit by clicking the Start button, then clicking 'System and Security' then 'System.' Look for the details next to 'System type.' If you have a 32-bit system, you will not get any benefit from having more than 4 GB of RAM.
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How to Create Folders on Your iPad

Create a folder by tapping and holding down any application icon that you want to organize into a folder, until the application icon starts jiggling.
Drag the application icon on top of any other application icon that you want to include in your folder. This will cause the home screen on your iPad to fade. A folder display will appear containing both of the application icons that you touched.
Check the name that has been auto-populated into the folder name field and change it if desired. To edit the name, tap the name field and type in the new label using the keyboard on your iPad screen.
Continue to drag and drop application icons into the new folder. When you are finished adding applications to the folder, tap the “Home” button to exit edit mode.
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How Can I Remove a Program or Plug

Understand that when you install a program on your Mac, it often places files and components in multiple locations. These typically reside in the program's folder in the 'Applications' or 'Utilities' folders, but many programs also install fonts, preferences, plug-ins and other supporting files in any of the following folders: Documents and both of the Library folders. (There is a Library folder on the top level of the hard drive as well as a Library folder contained within your 'Home' folder). Folders within the 'Home' Library folder include Preferences, Application Support, Caches, Cookies, Documentation and Receipts.
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Check to see if the software package has an 'uninstall' option that allows you to simply double-click an icon to remove all traces of the software from your MacBook. Software packages with multiple components, such as Adobe Creative Suite and Microsoft Office, have an uninstaller built in. Sometimes this option is buried deep within levels of the folders in the application, and in other cases it's only available on the original installation media.
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Perform a search on your computer by selecting 'Find' from under the 'File' menu in the finder or Command-F. Configure the search parameters to search the entire computer (This Mac), the name of the software package (File Name) and the pull-down menus as 'Name' and 'Contains' and type the program name in the search field. Hit the 'Enter' key to display a list of files that contain the name of the software package.
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Drag any associated components of the software directly from the search window into the trash on the dock. Once you've trashed all the files that contain the name of the software, start a second search (using the same settings as described in Step 3) with the name of the software package manufacturer. For example, if you entered 'Suitcase' in your initial search and trashed all the files containing the name 'Suitcase,' you should repeat the process using the word 'Extensis,' as Extensis is the manufacturer of Suitcase.
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Empty the trash once you've dragged all the associated files into it. If it doesn't allow you to proceed (if the files are 'In Use' or 'locked'), then reboot your Mac. Repeat the process when the MacBook is fully rebooted. If the trash still won't empty, hold down the 'Control' key while emptying the trash.
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