How to Change a Folders Name on a Mac

Highlight the desired folder by clicking on it in the Finder window once.
Open the editing feature for the folder title by pressing the 'Return' or 'Enter' key. Type the new name in the text box. Close the text box by clicking anywhere on the screen.
Open the editing feature for the folder title by clicking on the folder title. It is important to delay this second click so that it occurs about a second after the first click that you used to select the folder. Type the new name in the text box. Close the text box by clicking anywhere on the screen.
Change the name of the folder by going into the 'Get Info' feature. Pressing Command-I or selecting 'Get Info' from the 'File' menu allows you to access this feature. Go to 'Name and Extension' and press the triangle next to it to expand the option. Type the desired name in the text box. Close 'Get Info' by clicking on the red circle at the upper left corner of the window.
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How to Find Out What Is Damaged If I Dropped My MacBook Pro

Open the MacBook Pro. Inspect the screen for cracks, chips or other damage. Verify that the computer opens smoothly and closes securely.
Select the 'Apple' menu and then 'Restart' to restart the computer. Damage to the internal hard drive isn't always evident until the next reboot, so it's important that you perform this troubleshooting step. If the MacBook Pro doesn't power on at all, plug it in to ensure that it has an adequate power supply.
Open iTunes and play any song to rule out damage to the MacBook's audio card and audio output. Optionally, plug a headphone set into the computer's headphone jack to make sure the jack has not been damaged.
Connect to a Wi-Fi network using AirPort. Open Safari and navigate to a website to make sure the Internet adapter still works. Navigate to a video website such as YouTube or Vimeo and confirm that the video card functions properly and you are able to play a video.
Launch a chat program such as Skype or iChat and begin a video chat with a friend. If you see your own image in the corner of the screen, it means your webcam is still functioning.
Monitor how quickly your battery power drains when the MacBook Pro isn't plugged in to ascertain whether battery damage has occurred. If the battery drains significantly faster than it did before, the battery is damaged.
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