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e Mac OS X CD into the CDDVD drive. Restart the computer by clicking the Apple emblem on the top right of the screen and select Re start. 3 Press and hold the C key on the keyboard immediately after the startup sound. The installer screen will appear. Select In staller, Open then Disk Utilities. 4 Select the hard drive you want to reformat and click the Erase tab. Select the volume format from the Volume Format pop-up menu. 5 Click Options and check the check box for Zero all data. Click OK then Erase. The erase proc free vector ess will take several hours.Passwords Passwords are a common method of identifying and authenticating a user who wishes to log on to a secure system or network. Passwords generally require the usage of a series of letters, numbers andor symbols that should be Bio Limousin Moteur de recherche unique to the user. The problem with passwords, however, is that remembering many of them can be challenging, and they can be easi .

e an IT professional and ask for your password. For this reason, although passwords can be a reliable method of identifying and au thorizing access to a computer system, you should create a password that is difficult to guess. A combination of upper- and lower- case letters and numbers in a series of eight or more characters is the most secure. Fingerprint Readers A more reliable method fo r identification of authentication is the usage of fingerprint readers or fingerprint scanners. These devices scan the unique whor obituary template ls and lines of your fingerprints to allow you access to a computerized security system or computer. According to the article Forg ot Your Passwords? Try Using Your Heart by MSNBCs Dan Frommer, fingerprint reading security software has become incredibly popular Bio Limousin Moteur de recherche , and one million laptops with embedded fingerprint scanners have been sold since their production as of 2010. To keep your comput .

measure your facial features or the sound of your voice to allow you access to a building or computer system. Face and voice reco gnition products are extremely reliable in terms of authentication and identification, but there have been some widespread problem s with face recognition software. According to the article Face Recognition Systems from GlobalSecurity.org, Facial scans are only as good as the environment in which they are collected. For this reason, when using facial recognition systems for identification free it books and authentication, take care to use proper lighting and distance when capturing the initial image that the software will compare your face to. The article Voice Verification on GlobalSecurity.org also argues that voice recognition software also has its probl Bio Limousin Moteur de recherche ems. For example, changes in tone and speech speed can render your voice unrecognizable to the system, even if it is still your vo .

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