How to Delete a File From an iPod Touch With iPhone Explorer

Download and install the latest version of iTunes on your computer, following the installation instructions detailed on the Apple website.
Download and install the latest version of iPhone Explorer for your computer. Note that as of August 2011, the software's name changed to iExplorer.
Launch iPhone Explorer by clicking its icon on the desktop.
Connect your iPod touch the the computer using its USB cable. IPhone Explorer will automatically detect the iPod touch and display its folder structure.
Navigate through the iPod touch's folder structure in iPhone Explorer to find the file(s) you want to delete.
Right-click the file you want to delete and select 'Delete Selected' from the context menu. The file is removed from your iPod touch.
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How to Find a Macbook's Manufacture Date (4 Steps)

Click on the 'Apple' icon located on the desktop, in the upper left hand corner of your MacBook's Finder window.
Scroll down to 'About This Mac,' then click on the 'More Info' button at the bottom of the window.
Note the 'Hardware Overview' pane on the right side of the window. Locate the 'Serial Number (system):' toward the bottom of the list. Locate the serial number for your Macbook in the 'Hardware Overview' window that opens. The serial number is composed of characters and letters, and contains the manufacture date.
Note that the first two characters in the serial number signify the location where your computer was manufactured. Examine the third character in the string, which is a single digit. This is the year your MacBook was manufactured. For instance, if the numeral is '8,' your computer was made in 2008; the numeral '0' would signify that the manufacture date is 2010, since the MacBook was not released in the year 2000. Now look at the fourth and fifth characters which signify the week that the MacBook was manufactured. The digits '12' for instance, would mean that the notebook was made in the 12th week of the year, which is the third week in March.
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How to Connect to a Macbook Via WiFi (3 Steps)

Click on the Apple button, which opens the main menu. Select 'Network' and then press 'Configure' on the network page. Check the box next to 'Show AirPort status in menu bar' and now click the Airport icon, which looks like a signal. Note that if you already have airport enabled, you can skip this step.
Choose a network from the list that pops up after you click the Airport icon. You will see all the wireless networks in range of your computer, including wireless Internet networks. If the network has a password (closed network), a box will pop up asking you to type in the password. Click 'OK' and you should connect to the network right away.
Go to the folder that contains the hard drives and you will see a folder that is called 'Network Folders' and it will contain all the shared folders on the network. To share your folders, go to 'System Preferences' and select the 'Sharing' button. Put a check in the 'File Sharing' box and then click the '+' sign to choose the folders you are going to add. Once you have selected all the folders that you wish to share, click the '+' button next to 'Users' and select the users you wish to share the file with, or select all of them. Select the arrow on the top left corner of the screen to apply the changes.
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How to Disable Laptop Tracking

Locate your laptop's service tag and serial number. Keep them both on hand for reference.
Locate the installed Computrace software on the list of programs in the Start menu. Make note of which version you have, e.g., LoJack Premium, Standard or Student.
Fill out and submit a request for the product to be removed by contacting Absolute. Refer to the Resources section for a link to the contact form.
Await confirmation that your removal request has been processed. This confirmation will be sent to the E-mail you provided when the request was submitted.
Establish an Internet connection and Absolute Software will automatically trigger an uninstall of the Computrace LoJack software. Restart your computer to complete the changes.
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How to Change Your Homepage on a Mac (5 Steps)

Double-click your browser, opening to the default home page. In the upper-left corner of your display is the word 'Safari.' Click on Safari and scroll down to 'Preferences.' Click 'Preferences' to open a new window.
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Click 'General,' which looks like a light switch and is the first tab on the left. Here is where you will find the name of your default web browser as well as such items as 'New Windows Open With,' 'New Tabs Open With' and 'Homepage.' Note that 'Homepage' is highlighted in aqua blue.
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Place your mouse over the aqua blue 'Homepage.' Double-click so it remains highlighted and press the 'Delete' key. Type in the web address of the new homepage. For example, if you like learning something new every day, type the web address for E-how; www.ehow.com.
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After you've typed in the address, click the button underneath the 'Set to Current Address' box and close the preferences box. Quit Safari and then reopen the browser. Your browser will open to the new homepage.
Alternatively, download Firefox as an additional web browser. Click on the word 'Firefox' on the top-left corner of the screen. Click on 'Preferences' to open a new window. Click the 'General' tab. Double-click in the 'Homepage' box and delete the default homepage. Type in the address of the home page you prefer and click the 'Use Current Page' box.
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How to Change Your Mac OS X System Information in the Terminal

Click the 'Finder' icon on the Dock, then click 'Applications' in the window that appears. Click 'Utilities,' then click 'Terminal.'
Type 'uname --v' in the command line window that appears and press the 'Enter' key. Note the system information that appears in the command line output.
Enter 'hostname' at the command prompt and tap the 'Enter' key. Note the hostname assigned to the computer that is displayed in the command line output.
Type 'sudo scutil --set Hostname new_hostname' on the command line, except replace 'new_hostname' with the new hostname you wish to assign to the computer. Press the 'Enter' key.
Enter 'sudo date 1230' at the command prompt, except replace '12' with the current 24-hour clock hour and replace '30' with the current 24-hour clock minutes. Press the 'Enter' key.
Type 'sudo date 1108101230' on the command line, except replace the '11' with the current year, the '08' with the current numeric month, the '10' with the current day of the month, and the '1230' with the current hour and minutes according to the 24-hour clock. Tap the 'Enter' key.
Enter 'sudo /usr/sbin/systemsetup --listtimezones' at the command prompt and tap the 'Enter' key. Find your current time zone listed in the command line output. Type 'sudo /usr/sbin/systemsetup --settimezone US/Eastern,' except replace 'US/Eastern' with your current time zone as listed earlier in the command line output. Press the 'Enter' key.
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How to Export Highlights From an iBook

Launch the iBooks app and tap on the book or document with the highlighted material that you want to export.
Navigate to the page with the highlighted material and tap the highlighted passage to view the highlight and note menu options. If you haven't yet highlighted the passage, double-tap a word in the section that you want to highlight, and then drag the grab points around the section of text you want to highlight. Tap 'Highlight' to highlight the text.
Touch the square icon with an arrow pointing up to view the sharing options. You can send the highlighted text as a text message, email, tweet or Facebook post.
Tap the icon of the method you want to use to export your highlight. Fill in any necessary information, such as the recipient's name or email address, and then tap 'Send' or 'Post.' You must link your Twitter or Facebook account to your iPad or iPhone if you want to export your highlighted material to those platforms.
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How to Annotate a PDF File (26 Steps)

Open Adobe Acrobat.
Open your PDF document.
Select the 'View' menu, click 'Toolbars' and select 'Comment and Markup.' The toolbar will appear at the top of your document.
Click 'Sticky Note' in the 'Comment and Markup' toolbar to add comments.
Click on the location in your document where you want to insert comments. A yellow box labeled 'Sticky Note' will appear to the side of your document as well as a smaller sticky note icon in your document.
Adjust the location of the sticky note by clicking the yellow border and dragging the note.
Click 'Options' on the sticky note border. Select 'Properties' to change the shape and color of your sticky note and click 'OK.'
Click inside the large sticky note to type your comments or paste text from another document.
Click the minimize button in the top upper-right corner of the sticky note when complete to return to your document.
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How to Check MacBooks for Hacks

Turn on the MacBook.
Click on 'System Preferences' in the Apple menu. Once the window opens, click on 'Accounts,' then click on 'Login' Items.
Use the '- sign' to remove items that you do not recognize from the list.
Note the applications you were using when the problem first occurred and review any software that was recently installed.
Check your network activity in your Activity Monitor by locating this file in your Applications/Utilities folder. It will display a list of the processes, statistics, applications, and programs that are currently being used by the computer.
Note any consistent action in the Activity Monitor. If you see purposeful activity, then it is likely that an unauthorized user has connected to your computer using remote access.
Click on the 'System Preferences' window in the Apple menu and launch the System Preferences application. Open the Sharing reference window.
If Screen Sharing is enabled for the computer, note users who are currently allowed access to the computer. If you see suspicious activity, disable the Screen Sharing application.
Disconnect from the network, unplug the Internet cable and turn off the computer.
If problems persist, consult a computer technician.
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How to Organize Notes Alphabetically on the iPhone

Tap the App Store icon on your iPhone to browse available applications.
Tap the 'Search' icon in the bottom window and type 'Notes' into the search box, or browse the applications in the 'Productivity' category. This will bring up the most popular productivity applications, including those designed for note taking.
Determine the best note-taking application for your needs by comparing the features of the available apps. Four note-taking applications that will sort notes alphabetically, include Simple Note, Elements, Plain Text and Nebulous Notes.
Purchase and install the application of your choice on your iPhone. Once installed, you can begin creating notes and sorting them alphabetically. To implement this sort feature, make sure you change the in-app settings to sort notes by file name.
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How to Eject Flash Drive on Macintosh (4 Steps)

When you insert your flash drive into the USB port, does it have a little light that blinks on and off? If it does, that's good, because that light tells you when the computer is accessing the drive. Most drives have a blinky light, but if yours doesn't, consider buying a different one.
When you want to remove your flash drive, you first have to 'dismount' the disk from the system. On a PC there's a little menu item in the lower right corner where you can choose 'safely remove hardware' or something like that. On a Mac, you have several choices to remove the drive. The easiest and most common way is to drag the disk's icon to the trash.(Note that when you do this, the trash icon turns into an 'eject' icon - which is a line and a triangle pointing upward. In the old days people used to be afraid to drag their disks to the trash can for fear they would delete their files. So they changed the icon.)
Wait until the icon disappears from the desktop, but DON'T PULL IT OUT OF THE USB PORT YET. Look at the flash drive. Is the light blinking? If so, leave it in. When it stops blinking, you can pull it out.
Sometimes the computer refuses to let the flash drive eject. It will tell you that files on it are still in use. It can't eject as long as the computer is using the drive. The problem is that your applications sometimes use the drive, even after you are finished. So if you get this message, first make sure all docments are closed, and if that doesn't work, quit any applications you were using with the flashdrive. (Glance down at your dock - there will be a little black triangle under each icon with an open application.)If your computer just won't let go of your thumb drive, even with all applications closed, you can try two other measures. Use option-command-escape to bring up the 'force quit' window, and choose the Finder. You can't actually quit the Finder, but you can 'restart' it, and that will cause the screen to blink and redraw. If all other applications are closed, you should be able to eject your flash drive after that.On rare occasions, some process may still be locking up your flash drive. The last resort is to shut your computer down. When it's off, it's always safe to remove the usb flash drive or thumb drive.
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How to Share a MacBook With Another Laptop

Select the “Apple” menu in the upper left corner of the Mac OS X desktop. Select “System Preferences.”
Select “Sharing.”
Place a check next to “File Sharing” (by clicking the box) to turn file sharing on. Make note of the “Computer Name” as this is what the MacBook will be listed as over the network.
Click the “+” button beneath “Shared Folders” to add the folders you’d like to share over the network with the other laptop computers. By default, the “Public” folder is shared.
Select “Options...” and then enable “Share files and folders using AFP” to easily share your files with other Apple computers over the network. If you are planning to share your files with a Windows computer, enable “Share files and folders using SMB (Windows).' You will need to enable a user account for Windows sharing. Turn on the account you wish to share (by clicking the box) and enter the password as prompted. Click “Done” to apply the changes and close “System Preferences.”
Select “Network” from the Finder’s “Go” menu bar on the laptop you are using to connect to the MacBook you just configured. The MacBook will be listed and accessible for file sharing (provided they are on the same network). Open “My Network Places” (or “Network” in Windows 7) within Windows Explorer to view and access the MacBook from a Windows machine. You will need the user account and password to gain access.
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