How to Set a Password on a MacBook (6 Steps)

Click the 'Apple' logo in the upper-left corner of the screen.
Click 'System Preferences.'
Click 'Accounts.'
Click 'Change password.'
Enter the old password, if any, and enter the new password into both the 'New password' and 'Verify' boxes.
Enter a password hint, if desired, and click the 'Change Password' button. The changes take effect immediately.
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How to Turn Off Numbers Lock on a Mac

Click on the Apple logo and select 'System Preferences.' Then, select 'Universal Access' in the System category.
Click on the 'Mouse' tab. Select 'On' next to 'Mouse Keys.' Pressing the numbers on the number pad will move the mouse as if the numbers were arrow keys. The number 8 moves the mouse up; 2 moves the arrow down; 4 moves the arrow to the left; and 6 moves the arrow to the right.
Click on 'Press the Option key five times to turn Mouse Keys on or Off' to enable the shortcut for essentially turning on and off Num Lock. Close 'System Preferences.'
Press the 'Option' key five times. Mouse keys will be enabled. Pressing the numbers on the number pad will move the mouse.
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How to Connect a MacBook to a TV Monitor

Connect a DVI cable from your Macbook to your TV. If your TV does not have a DVI port, then use a converter cable to convert DVI to S-Video.
Turn on the TV.
Click the Apple logo on the task bar and click 'System Preferences.'
Click 'Displays.' Click 'Detect Displays.'
Click the TV display and then adjust the 'Resolution' to the highest possible setting. If you are connecting to a high-definition TV, then you are likely to get the best resolution. You have now connected your MacBook to a TV.
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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 Turn Off Sticky Keys on a Mac (6 Steps)

Click the Apple logo on the menu at the top of the screen.
Click 'System Preferences.' The System Preferences window will open.
Click 'Universal Access.'
Click the 'Keyboard' tab.
Click the 'Off' option next to 'Sticky Keys.'
Click the red circle at the upper left of the window to close it.
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How to Get a MacBook to Display the Full Screen

Click the Apple logo in the upper-left corner.
Click 'System Preferences.'
Click 'Displays.'
Click the resolution that represents the full screen resolution of the MacBook display, which is at the bottom of the list. The most common setting is 1280x800. Refer to the owner's manual for any details specific to your particular model.
Close the System Preferences utility.
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How to Find the Name of Your Mac Computer (4 Steps)

Click the Apple logo in the top left corner of your Mac's screen.
Click 'System Preferences' from the menu that drops down.
Click 'Sharing' in the Internet & Network section of the System Preferences screen.
Find the name of your Mac computer in the Computer Name section of the Sharing screen.
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How to Turn on the Microphone on a MacBook

Click the 'Apple' logo from the Finder menu.
Click 'System Preferences.'
Click 'Sound.'
Click the 'Internal Microphone' option under 'Select a Device for Sound Input.' The MacBook's microphone is now set to turn on whenever you launch an application that uses sound, such as GarageBand or iChat. The built-in microphone is located above the 'Esc' key on the MacBook's keyboard.
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How to Activate an AirPlay Video From ESPN

Navigate to the ESPN home page (link in Resources). On the iPhone, ESPN Mobile loads automatically; on the iPad, tap the 'Tablet Version' button beside the ESPN logo to switch to the iPad-optimized version of ESPN. If the link says 'Desktop Version,' then ESPN Mobile is already loaded.
Tap 'More Videos' in the Video section to view a list of the latest videos on ESPN. There is no search feature, but you can filter videos by sport or select a news story to watch a video specifically associated with a report.
Press the 'Play' button to begin video playback.
Tap on the video to reveal the playback controls, tap the 'AirPlay' button, and then select the device to which you want to send the video.
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How to Make a MacBook Not Shareable

Log in to your MacBook using an administrator account.
Click the 'Apple' logo from the top menu and select 'System Preferences' from the drop-down menu. The System Preferences window launches.
Click 'View' and 'Sharing.' The Sharing window launches.
Click 'File Sharing: Off' and click 'OK.'
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How to Remove the Battery From a MacBook (5 Steps)

Click on the Apple logo from the menu at the top of the MacBook screen, and then click 'Shut Down' to turn it off.
Disconnect all cables from the MacBook.
Turn the MacBook over and find the battery door latch.
Push down on the latch to release it and open the door. Remove the access door.
Grasp the battery tab and gently pull it up to remove the battery.
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How to Force Close Mail on a MacBook (5 Steps)

Click outside of the Mail portion of the screen, somewhere on the desktop, to open Finder. Finder is always running under your other programs, so any problem with Mail won't prevent you from using Finder.
Click on the Apple logo at the top of the screen.
Select 'Force Quit' from the drop-down menu.
Highlight Mail in the pop-up window. If Mail is red and marked 'not responding' you likely have a problem. If the text is black and not otherwise marked, you may want to wait a minute to see if the problem fixes itself.
Click on the 'Force Quit' button to close Mail. You may re-open Mail after the program is forced closed.
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How to Bypass an iMac Password (4 Steps)

Press the Power button on the iMac for a second to power it up.
Press down on the “Shift” key immediately after hearing the Mac’s start-up sound.
Release the “Shift” key once the gray Apple logo appears and a spinning “gear” animation is displayed on the screen.
Wait for the desktop to appear on the screen. The iMac’s password has been bypassed and the features of the Mac’s OS X operating system can now be used, although most features will be disabled until the iMac is rebooted normally.
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How to Remotely Activate a Macbook Webcam (12 Steps)

Click the 'Apple' logo on the menu bar of the desktop of the MacBook that you want to connect to.
Select 'System Preferences' from the drop-down list, then click 'Sharing' in the Internet and Network section. The Sharing window opens.
Click the 'Screen Sharing' check box in the box on the left side of the window.
Click the 'Computer Settings' button, then click the 'Anyone May Request Permission to Control Screen' check box, then click 'OK.'
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How to Change the Refresh Rate on a MacBook Pro

Click on the Apple logo at the top left-hand corner of your MacBook screen.
Click 'System Preferences.'
Click on the icon marked 'Displays.'
Click on the box next to the option labeled 'Refresh Rate.'
Click on one of the available refresh rates in the drop-down list that appears. Close the System Preferences window when you finish.
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