How to Block Email Addresses in AOL

Browse to AOL.com and log into your webmail account.
Click 'Settings' on the top portion of the screen.
Click 'Spam Controls.'
Click the menu next to 'Spam Filters by Address,' and click 'Custom.'
Click the radio button labeled 'Block mail from,' then enter an email address in the box immediately below it. Click the green plus sign icon to add the filter. Add as many email addresses as you like, clicking the plus sign after each one.
Click 'Save' to make your new filter settings permanent.
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How to Turn on a Mac Camera for Skype

Open Skype.
Click on the 'Skype' menu tab at the top of the screen once the program opens.
Click 'Preferences.'
Click on the 'Video' option.
Check the box next to 'Enable Skype Video.'
Click on the box next to the 'Camera' option. Click 'Built-in iSight' to enable the Mac's camera in Skype.
Check the box next to 'Start my video automatically' under the heading labeled 'When I am in a call.' Close the Preferences window when finished.
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How to Minimize a Fullscreen on a Mac (5 Steps)

Press the 'Command' key and the 'M' key simultaneously if you want to minimize a Finder or application window. The window disappears from the screen, and now goes into the Dock, located at the bottom or side of the screen.
Click the yellow circle at the upper left corner of any fullscreen application or Finder window to minimize it to the Dock.
Click the name of the application from the application's menu, and then click 'Hide (name of application)' to minimize all its open windows to the Dock.
Click 'Finder' from the Finder menu, and then click 'Hide Finder' if you want to minimize all open Finder windows to the Dock.
Click the icon of an application in the Dock to make it appear again. If you have multiple windows open in an application, such as three Web pages in separate Safari browser windows, or different Finder windows, right-click on the application's icon in the dock, and then click the name of the document or the window that you want to make reappear.
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How to Ping a Printer for a Mac

Click the 'Finder' icon in the Dock at the bottom of the window.
Highlight 'Applications' from the 'Places' list on the left side of the 'Finder' window.
Open the 'Utilities' folder and then double-click the 'Terminal' icon. An empty command prompt window will appear.
Type 'ping' followed by a space and then the IP address of your network printer. For example, if your printer's IP address is 10.1.1.7, you would type 'ping 10.1.1.7' into the command prompt.
Hit 'Return' on your keyboard to run the command.
Wait for the ping results to start loading in the window and then hold down the 'Control' and 'C' keys to halt the 'ping' command. If the results say the device responded to the data bytes, it means your network printer is online and connected.
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How to Use a Macbook Webcam on Messenger

Launch the messenger program you are using. Examples include Yahoo Messenger, iChat, MSN Messenger and AOL Instant Messenger (AIM). Enter your user name and password and click 'Sign in.'
Wait for your contacts or buddy list to load. Look for a 'video camera icon' next to the screen name of the friend you want to video chat with. If you do not see an icon, this may mean the user does not have video chatting capabilities.
Right-click on the screen name and select 'Start video chat' or 'Video.' If the option is not available, double click on the screen name to open a new instant message window and click the 'Video' option in the window.
Wait for the person to accept the video chat invitation. If the person accepts, a video window will appear and the Macbook's built in iSight camera will automatically turn on and begin streaming live video.
Exit the video chat by closing the instant message window or clicking 'Disconnect' or 'End video.'
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How to Disable the Camera on a Macbook

Click on the 'Spotlight' search icon in the top right of the OS X screen. The icon is a 'magnifying glass.' In the search box, type in 'Terminal.' Wait for the results to load and click on 'Terminal' from the list of results.
Type the following into the 'Terminal' prompt (note the space between 'mkdir' and the '/') and press 'Enter.''mkdir /System/Library/QuickTime/.iSightBackup'
Type the following command into the 'Terminal' prompt (note the space between 'mv' and the '/') and press 'Enter.''mv /System/Library/QuickTime/QuickTimeUSBVDCDIgitizer.component /System/Library/QuickTime/.iSightBackup/'
Click the small red 'X' icon in the top left corner of the Terminal to exit. The camera is now disabled.
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How to Disable a MacBook Pro Trackpad in Windows

Go to Trackpad Magic's website at pocketlim.com. Click 'Trackpad Magic.' Click 'Download' then select 'Latest Version.'
Unzip the installation file from the archive. Double-click 'trackpadmagic.exe.'
Right-click the Trackpad Magic icon that appears in your system tray.
Click 'Disable Apple Trackpad' to completely disable the touchpad. Click 'Automatically Disable Trackpad When External Mouse is Plugged in' to only disable the trackpad if you connect a mouse.
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How to Disable Top Sites in Safari (3 Steps)

Launch Safari. By default, the Top Sites screen is displayed. Hover the cursor over any website thumbnail you never want to be shown. Click the 'X' that appears in the corner to delete it from Top sites.
Click the 'Safari' menu and choose 'Preferences.'
Click the 'General' tab, then click the 'New Windows Open With' menu and change it from 'Top Sites' to any other option, like 'Home Page' or 'Empty Page.' This will stop Safari from displaying your top sites when you launch the browser or open a new tab.
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How to Check How Much Available Space Is on Your Mac's Hard Drive

Select the 'Finder' and click your hard drive's icon. This is typically labeled 'Macintosh HD.'
Press 'Command-I' from your keyboard. The Get Info dialog box will open.
Click the 'Arrow' next to General. Read the data next to Available, which is the free space that remains on your hard drive.
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How to Connect a MacBook to an Epson PowerLite 78 Projector

Connect the Mini DisplayPort to VGA Adapter into the Mini DisplayPort on your Mac.
Connect the other end to the back of the Epson PowerLite 78 projector.
Switch the PowerLite projector on.
Click the 'Apple' logo on the menu bar on your Mac, then click 'System Preferences.'
Click 'Displays' and choose the location and configuration of your display.
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How to Clean Mac Files (7 Steps)

Open your Internet browser. Go to apple.com and click the “Downloads” tab. Move your cursor to the “All Downloads” tab on the left side of the screen and click “System/Disk Utilities.”
Click the “Most Popular” tab at the top of the screen, and click the “Snow Leopard Cache Cleaner” link near the bottom of the screen. Click the “Download” button.
Click “Windows” at the top of the Safari menu and click the “Downloads” button from the drop-down menu. Double-click the “Snow Leopard Cache Cleaner” tab and click “Agree” to run the program.
Click “Demo” to bypass the registration screen. Click the “Maintain” tab, then the “All” button to check all of the boxes in the window. Click the “Run” button.
Check the box next to “Force Empty Trash” and click the “Run” button.
Click the “Caches” tab and check the boxes next to “Clean Local Cache” and “Clean System Cache.” Check the box next to “Deep Cleaning” and click “Run.”
Type in your system administrator password, and click “OK.” Click “Restart” to restart your computer.
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How to Block and Unblock Internet Sites (On a Mac)

DECIDE WHAT YOUR GOAL REALLY IS IN BLOCKING SITES.Be clear about this up front so you can find the best solution. Is this blocking for you? Is it for your kids? Is it to keep employees off of certain sites? Answer these questions first before stabbing in the blocking-sites-darkness.To block certain types of sites for all users on a computer or system - use OpenDNS.com, see step 2.
To block specific sites one at a time use the terminal command in Step 3.
To log (rather than block) specific sites use covenanteyes.com see Step 4.
To only ALLOW certain sites use the parental controls option, see Step 5.
USE FREE OPEN DNS TO BLOCK CERTAIN TYPES OF SITES FOR ALL USERS.This is a great option for small businesses or households with agreed upon and uniform standards for internet usage. See the resource section for a link. Go to the site (see resource link near the bottom of this page). Click on the 'start using open dns' button. Choose whether you want the blocking to occur at the computer level, the router level, or the server level. Follow the step by step instructions. They have pictures... it really is simple. Best of all, it is FREE!
TO BLOCK SPECIFIC SITES USE THE TERMINAL COMMAND IN MACOSX TO BLOCK THEM ONE AT A TIME.Few people really want to block only one or two sites. This is a wieldy way to provide internet security. But if that is your specific need this is for you. Another ehow article gives the detailed instructions (it's a bit technical) for this process. So it is linked both in the related articles to the right titled 'How to block access to websites in MacOS X' and in the resource link section at the bottom.
TO LOG EVERYTHING YOUR COMPUTERS VIEW, USE COVENANT EYES. This program will log and score every site that is viewed by a computer on which it is installed. It will not allow the internet to run if it is disabled and will send you an alert if it is uninstalled. You set the preferences as to how often to receive reports. Go to covenanteyes.com and click the 'sign up now' button. It will guide you through the process. For around $8 a month this is a relatively cheap option that covers up to three computers.
TO ONLY ALLOW CERTAIN SITES USE PARENTAL CONTROLS. If you are using the Leopard system then you can use the 'Parental Controls' feature found in System Preferences. Click on accounts. Check the box for parental controls. You can click on the content tab and then tick limit access to adult sites. You can also use button to add specific criteria to your block. Alternatively, simply add the specific sites you want allowed to the bookmark bar and type in your administrator's password. Then only those sites can be viewed.
TO UNBLOCK SITES ON A MAC.To remove parental controls simply return to the systems preference, accounts, then parental controls section. Un-click the parental control box. Un-click any content specific controls. To remove open dns.com simply drag the program folder from applications into the trash. Isn't Mac great?
If you worked at the router or server level you will have to undo those steps and reconfigure your system to allow direct access to the internet.To uninstall covenant eyes you need the password to get an uninstall code. It cannot happen late at night.
** See more tips and warnings in the next section below.
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How to Listen to a Music CD on a Mac (5 Steps)

Press the button under the CD drawer to open it. Remove the CD on the tray, if there is one.
Place your music CD flat on the tray and press the button under the CD drawer to close it.
Click on the Apple menu and select Apple CD Audio Player. If it's not listed, use Find File or Sherlock (press Command-F) to locate it.
See your CD show up on the desktop and in the Apple CD Audio Player window. Operate the controls with your mouse just as you would operate a CD player.
Close the Apple CD Audio Player window with the close box, or switch to another application and continue working while you listen to music.
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The Backlight Won't Stay on in My MacBook (6 Steps)

Locate the 'screen brightness' keys towards the top of the keyboard. These are also labeled as the 'F5' and 'F6' keys respectively. Press each one to see if the screen brightness increases or decreases. Repeat this step while holding down the 'fn' key until the desired brightness is reached. If this does not work, proceed to Step 2.
Click the 'Apple' logo on the top left of the screen and select 'Force Quit' to stop all applications. Select 'Sleep' from the same 'Apple' menu and allow the computer to sleep. Press any key to wake the computer. If the backlight is not back on fully, proceed to Step 3.
Click the 'Apple' logo and select 'Shut down.' Turn the computer back on after the computer has fully shut down. If the problem still persists, proceed to Step 4 to begin a System Management Controller Reset (SMC).
Shut down the computer and unplug the power supply connector. Remove the battery. On the polycarbonate body MacBooks, use a coin to turn the 'battery latch' to the open position and lift the battery out. On the aluminum unibody Macbook, remove the back panel screws (note the location of each screw for replacement) and lift the panel off. Lift the battery out of the case.
Press the 'power button' and hold it down for 5 seconds. You may hear a tone or beep. Release the power button.
Replace the battery and the back panel with screws if you removed those. Reconnect the power supply cable and turn the computer back on. Use the 'brightness' control keys (F5 and F6) to reach the desired brightness.
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How to Reset an AirPort Card (4 Steps)

Click the 'System Preferences' tab in the lower left corner of the dock.
Select 'View,' then click 'Network.' Once the new selections appear, click 'Show,' then 'Network Port Configurations.'
Deselect the 'AirPort' option, then choose 'Apply Now.'
Select the 'AirPort' option and click 'Apply Now,' then exit out of 'System Preferences' to complete the reset.
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How to Use Photoshop for Mac (14 Steps)

Open Adobe Photoshop. Go to Photoshop Menu > Preferences > Display and Cursors. Set your Painting Cursors to 'Brush Size' and your Other Cursors to 'Standard'. This makes it easier to see the exact size of the brush you're using. Click 'OK'.
Familiarize yourself with the tool palette. If you move your cursor over each tool, it will bring up the name of the tool and the letter key to type to quickly access that tool.
Open the photo you'd like to edit by holding down the command key and pressing the 'o' key. On Apple keyboards, this key has an Apple logo on it that may not be present on third-party keyboards. Select your image and then click 'Open'.
Type 'z' to select the Zoom tool. Click and drag the dotted marquee around the area you want to zoom in on. In this case, we're going to remove the unwanted highlights in the dog's eyes.
Type 'w' to select the Wand Tool. Select the area(s) where you want to change the color. To select more than one area, hold down the shift key. Go to the Select menu and choose 'Feather'. Type in a value of 1 where it says 'pixels'.
Type 'i' to select the Eyedropper tool. Click on the area of color you want to match. Hold down the option key and press 'delete' to fill that area. Type 'command-d' to deselect.
You have to clone part of the image around the new fill to match her eyes. Type 's' to select the Clone Stamp Tool. Use the left and right bracket keys to adjust the size of your brush. Hold the option key and click on the area you want to sample. Click and hold to paint the area you wish to clone over.
Type 'command-0 (zero)' to undo the zoom. Type 'c' to select the Crop tool and bring up its options. Type '5' in the Width field and type in '7 in' the Height field. Set the Resolution drop down menu to' Pixels/Inch'. Type '300' in the Resolution field.
Click and drag around the area of the photo you want to keep. If you need to, click in the center of the dotted lines to move the box. The lighter parts of the image will remain, and the darker parts are discarded. Press the return key.This gives you a nice size image for printing and framing.
Go to Image Menu > Adjustments > Brightness and Contrast.
Adjust the sliders until the color is pleasing to your eye. Click 'OK'.
Type 'command-s' to save the photo or go to File menu > Save As... if you want to save it under a different name, or in a different location. Congratulations, you've just professionally edited your first photograph.
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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 Reinstall OS X Without Losing Data (7 Steps)

Insert the Mac OS X installation disc and restart the computer.
Hold down the 'C' key while the computer is restarting until the Mac OS X installation utility appears.
Click a language from the list, then click 'Continue.'
Click 'Continue' on the 'Welcome' screen.
Click the drive you want the operating system installed to from the 'Select a Destination' screen, then click 'Options.'
Click the 'Archive and Install' option, check the 'Preserve Users and Network Settings' option, and click 'OK.'
Click 'Continue' on the 'Select a Destination' screen, then click 'Install' on the 'Install Summary' screen to begin the installation process.
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How to Play With Subtitles in iTunes (6 Steps)

Launch iTunes on your computer.
Click 'Edit' at the top of the iTunes window.
Click 'Preferences.'
Click 'Playback.'
Click the 'Subtitle Language' pull-down menu and then click a language. Click 'OK' to save the change. Now subtitles will appear when you play a video in iTunes that comes with subtitles.
Move the pointer over a movie while it is playing and hold it until the iTunes controls appear, and then click the 'Subtitles' button to toggle subtitles on and off. The 'Subtitles' button looks like a cartoon speech balloon.
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How to Access System Administrator on Apple OS X

Locate the Apple menu on your computer screen. Look for an apple-shaped image on the top left of your computer screen.
Click on the Apple menu so that it's menu contents become visible.
Highlight and click on 'Log Out.'
Allow your Apple computer to log your current account out of the system.
Select the Administrator account when prompted to log in again.
Enter the Administrator's password and log into your Apple computer with Administrator capability.
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