To back up a Macbook, connect an external hard drive to the laptop, then set up Time Machine. Click Back Up Now, located in the menu bar, to start backing up the computer immediately.Continue Reading
Click the Apple icon in the menu bar, then select System Preferences. Open Time Machine by clicking the circular arrow icon next to the Startup Disk icon.
Verify that your external hard drive is Mac-compatible. Connect the hard drive to your computer using the 2.0 or 3.0 USB cable that came with the hard drive.
Once you connect the hard drive, a dialog box opens asking you if you want to use the new disk as a backup disk. Click Decide Later, and rename the new disk by clicking the icon of the disk on the desktop. Click Select Backup Disk on the Time Machine dialog box, choose the new disk, and then click Use Disk.
To back up the computer now, click the Time Machine icon in the menu bar, then click Backup Now. The Time Machine dialog box also shows you the next time the computer is going to be backed up. Turn Time Machine off, and click Options to delete folders that you do not want to back up. Be sure to turn Time Machine back on to continue backups on a regular schedule.