How to Replace a Macbook Screen (6 Steps)

Drain the battery, turn off your MacBook and disconnect it from any and all external power sources.
Remove all screws from the outside of the computer with the Phillips head screwdriver. Lay them out in a pattern that will allow you to put each individual screw back into its original location.
Remove the keyboard assembly and internal hardware of the computer. The system board is located directly underneath the keyboard and must be separated first. After the system board is out, proceed with the keyboard. This requires more unscrewing and may involve the disconnection of one or two delicate cables. Remove the screws slowly with your phillips head screwdriver, and remove the cables softly with your fingers. The exact number of screws and cables will depend on your version and generation of MacBook.
Disconnect the display cables connecting the screen to the motherboard. Use your plastic putty knife to gently lift up the top casing holding the screen into place. Remove the screws around the screen, and disconnect the cables at the bottom of the screen from the plastic part of the MacBook that connects with the bottom half. Remove the screws on either side of the screen holding it to the brackets, there will be two or three on each side. Remove the sleep magnet on the left side of the screen. Remove the screws from the top, and carefully remove the tape from the back of the screen. Separate the miniature webcam and remove the old screen from the side brackets.
Install the new screen. You will go through the exact same process as before, but in reverse. Place the new screen in the same position as the old one, place the brackets around it, replace the webcam and tape down the wires. Replace the screws into the brackets and the sleep magnet on the left side. Secure the screen into the top casing and proceed with reassembly.
Reassemble your MacBook. Install all components exactly as they were.
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How to Use a Mac Laptop As a Hotspot

Connect to the Internet on your Mac laptop and open any web site in a browser to confirm that the connection is good.
Open 'System Preferences,' then click on 'Sharing.'
Select the check box for 'Internet Sharing' on the left side of the Sharing preferences, then choose your incoming Internet connection from the drop-down menu.
Click the check box for 'AirPort' in the list of outgoing ports over which you can share your connection. AirPort will not appear if it is chosen as the incoming connection. Your Macintosh will then appear as an available wireless hotspot.
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How to Hook Up a Mac to an Overhead Projector

Connect the Mini-DVI cable to the Mini-DVI port of your Mac. This is usually located in the back of the computer.
Connect the VGA Adapter to the other end of the Mini-DVI cable.
Connect the cable to the port located on the back of the overhead projector and turn the projector on.
Change your Mac to display using the overhead projector. This is usually done by pressing F7 on your computer, however you should refer to your Macbook user guide for specific instructions should that not work.
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How to Delete iPhone Crash Logs

Tap “Settings” on your iPhone, followed by “General.” Next, choose “About,” followed by “Diagnostics & Usage” and “Diagnostic & Usage Data.” Observe the list of crash, usage and diagnostic reports logged on your device. If you wish to review the detail of an individual item, tap it.
Launch iTunes on your computer. Next, connect your iPhone using its supplied USB cable. Choose your iPhone’s name under Devices in the left sidebar.
Click “Sync” in the lower right corner of your desktop’s screen. The sync process begins and advances through several steps. You can check its progress in the area above the main pane’s navigation bar.
Return to Diagnostics & Usage Data screen on your iPhone. You’ll see that most, if not all, the previously logged items no longer appear, having been copied to your computer and erased from your device during the sync.
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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 Maintain a Mac (6 Steps)

Run maintenance scripts to maintain your Mac. These are built into your OS and will run automatically if you leave your system on all the time. If you shut your system down every day, remember to run the appropriate Mac maintenance scripts on a daily, weekly and monthly basis.
Check your hard drive periodically. This can be done from your Disk Utility on your hard drive, or you can boot up from your install CD and run the Disk Utility from there. You will need it anyway should the utility need to repair your hard drive.
Back up your files. You can back up as often as you feel you need to--some people back up daily. In the event of a hard drive crash, you will have a separate copy of all your files. Most users do this with an external hard drive.
Repair permissions to maintain your computer. You really only need to do this after you install any new software or before you clone your hard drive. The Mac was designed to be low maintenance.
Reinstall when necessary. If you are running OS X 10.2 or higher, use the feature called 'Archive and Install.' It will move your system files into a 'Previous System' folder and reinstall your OS. Do this only when you have tried other measures and only after you back up any files you want to keep.
Create a backup of your hard drive on an external Firewire drive.
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How to Write Letters on a MacBook Pro (12 Steps)

Open the TextEdit application. Find the TextEdit icon in your Applications folder and double-click to launch the application.
Begin typing your letter in the Untitled document window that appears when you open the application.
Highlight the words you wish to stylize and select the appropriate option from the 'Styles' drop-down menu in the top-left corner of the document window. You can make text bold, italic, underlined, shadowed, outlined or struck through.
Use the alignment buttons, located to the right of the 'Styles' menu, to change the alignment of the text. Choose left align, center, justify or right align.
Use the 'Spacing' drop-down menu to change the document spacing. Highlight the text you wish to change and select single space, double space or other. The 'Other' option allows you to enter specific line height, inter-line spacing and control the spacing before and after paragraphs.
Create a list. Type the list items on separate lines. Highlight the list items and select the type of list from the 'Lists' drop down menu. Choose from several styles of bullets, lettering or numbers.
Change the color of your text. Under the 'Format' menu at the top of your computer, select 'Font' and then 'Show Colors.' This will display the color picker. To change the color of your text, highlight the words you wish to change and click the color from the color picker.
To change the size of your words, highlight the text and then hold down the 'Command' key on your keyboard. Then press the '+' key to increase the size of the font or the '-' key to decrease the size of the font.
To insert a file to your document, click your cursor inside your document where you want the file to appear. Select 'Attach Files' from the 'File' menu. Locate the file on your computer that you wish to insert and then click the 'Open' button.
To check the spelling and grammar of your document, select 'Spelling and Grammar' from the 'Edit' menu and then select 'Check Spelling Now.'
To save your document, select 'Save As' from the 'File' menu. Type a file name into the 'Save As' box. Choose a folder to save your document in from the 'Where' drop-down menu. Select a file type from the 'File Format' drop-down list and then click the 'Save' button.
To print your document, select 'Print' from the 'File' menu. Choose your printer from the 'Printer' drop-down menu and click the 'Print' button.
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