How to Use the Apple Service Diagnostic Disk (3 Steps)

Shut down your Mac.
Restart your computer with the Apple Service Diagnostic disc: shut down your computer, insert the disc into your computer's drive, then restart your computer and hold the 'Option' key as it boots up.
Wait for your screen to display the Apple Diagnostic Screen, then select the type of diagnostic test you would like to run. Press 'Enter' and your computer will reboot and run the test. This usually takes a few minutes.
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How to Wipe a MacBook

Turn off your MacBook by clicking on the 'Apple' symbol in the upper left corner and selecting 'Shut Down.' If your computer is not plugged in to an outlet, connect it now.
Hold down the 'Power' button as well as the 'Shift,' 'Ctrl' and 'Option' keys all at once, then release them simultaneously.
Press and release the 'Power' button to turn the computer back on. Your MacBook has been restored to the factory default settings.
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My MacBook Can't Connect to the Network (4 Steps)

Check the cable connection running from the network hub or modem into your MacBook computer. If the cable is not inserted completely into either device, the MacBook is unable to detect the network.
Power on the network hub or modem. If the power is shut down, the computer is unable to detect the network.
Activate the Wi-Fi connection on the MacBook. Your computer may be attempting to connect to a different wireless source. Click the wireless icon in the upper left corner of the desktop, and then choose the Wi-Fi network you want access to. Type in any required password and click 'OK' to connect to the network.
Move closer to the origin of the network. If you are out of range of the Wi-Fi network, the MacBook is not going to connect to the wireless signal.
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How to Reset MacBook Memory

Shut down the MacBook by clicking the Apple Menu and clicking 'Shut Down.'
Start the MacBook and immediately hold down the 'Option,' 'Command,' 'R' and 'P' keys.
Release the keys when the MacBook restarts on its own.
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How to Fix a Mac OS Crash

Press 'Command-Option-Esc' at the same time. The Force Quit Applications window opens, displaying all of the open applications, with 'Not Responding' beside the application that caused the Mac to freeze. If this window does not open, press 'Command-Option-Shift-Esc' for three seconds to force quit the unresponsive program. Then open the Force Quit Applications window.
Click any application that says 'Not Responding' and click 'Force Quit.'
Restart your computer if you have not shut it down in more than 24 hours. This will clear memory being held by any troublesome applications.
Click the 'Finder' in the Dock to open a new Finder window. Click 'Applications,' then the 'Utilities' folder. Double-click 'Activity Monitor.' This will show you what resources are being used by processes and applications.
Click the '%CPU' tab to sort this column. Processes and applications are now sorted in descending order. Processes using most of the Mac's CPU (Central Processing Unit) will be shown first.
Click the 'Real Memory' tab to see which processes and applications are using the most memory. Do the same for 'Virtual Memory.' Real memory is stored on the memory chips, while virtual memory is stored on the hard drive.
Close any application that is using an unusual amount of memory or percentage of the CPU. What is unusual for memory usage will depend on the programs you run, but anything over 700MB should be examined. Any process using more than 20 percent of the CPU for more than a second or two should be considered unusual.
Relaunch the application that caused the Mac to crash.
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How to Turn Off a MacBook Fan

Shut down your MacBook and disconnect the power supply.
Remove the battery from the bottom of your MacBook.
Press the power button and hold it for five seconds. Reconnect the power supply.
Press the power button again to boot up the MacBook and see if the fan issue has resolved.
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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 Connect MacBook Pro to a Power Mac G4 (6 Steps)

Verify that your MacBook Pro is completely turned off and disconnect any other FireWire devices that may be attached to it. Disconnect all FireWire devices from your Power Mac G4 as well. If you have an external FireWire hard drive connected to either computer, then that computer must be shut down or you must click and drag the hard drive's icon to the trashcan icon before you disconnect it.
Connect the FireWire cable from your MacBook Pro to your Power Mac G4.
Turn on your MacBook Pro and hold down the 'T' key on your keyboard until a yellow FireWire hard drive icon appears on your Power Mac G4's desktop.
Transfer all the files you need to between the two computers.
Click and drag the FireWire drive icon for your MacBook Pro to your PowerMac G4's trashcan icon when you're finished. Click the Apple menu and select 'Shut Down' on your MacBook Pro to turn it off.
Make sure that your MacBook Pro is completely turned off and then disconnect the FireWire cable.
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How Do I Use A Mac Apple Laptop Computer? (6 Steps)

Push the circular power button on the Apple Mac laptop. The operating system only takes only moments to load. Proceed with using the computer when it loads. Click the 'Apple' logo in the upper-left corner of the desktop, select 'Shut Down,' and the Mac computer turns off.
Examine the icons on the bottom of the screen. This is the 'Dock,' a feature similar to the desktop icons on a Windows computer. Click on any icon and that program will be launched.
Click the 'Finder' icon in the lower left corner of the desktop (it looks like a face). This is similar to the 'Start' menu of a Windows computer. A window loads, allowing you to access the programs and files on the computer. Access programs not on the dock by clicking 'Macintosh HD,' followed by 'Applications,' and all of the programs installed will be displayed. This is similar to clicking the 'All Programs,' 'Accessories' option on a Windows computer.
Click any program listing and drag it to the dock for easy access to the software.
Insert a CD into the disc drive of the Apple Mac laptop and a CD icon appears on the desktop. Double-click the CD icon to access the information on the disc. If it is an installation CD, the software installation wizard automatically loads. As with a Windows installation CD, follow the prompts to install the software.
Connect an external hard drive to a USB port of the Mac. Once the computer detects the hard drive, a removable device icon appears on the desktop. Double-click the icon to access the device's information.
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How to Operate the Apple iPad (9 Steps)

Press the 'Wake/Sleep' button to wake the iPad. If your iPad is off, press and hold the button until you see the Apple icon. Your iPad will start up in a few seconds.
Press the 'Wake/Sleep' button to put your iPad to sleep. To turn it off, hold the button down until the 'Slide to power off' slider appears on the screen. Slide it to shut off the iPad.
Press the 'Home' button on the front of the iPad to back out of the app you are running and return to your menu. Slide the 'Slide to unlock' slider to get started. If you are on the menu, pressing this button brings up the Search page, where you can search for apps or data by typing it.
Press the 'Up/Down' volume button on the side of the unit to raise or lower the volume.
Turn the 'Screen Rotation Lock' switch above the volume buttons to keep the screen from rotating as you move the iPad around.
Turn the unit from a horizontal to a vertical alignment or vice versa to automatically rotate the screen.
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