![]() Once the PIN has been entered, the machine will boot normally to the log in screen. The PIN is set just once for the entire laptop, so any valid users of the laptop must have access to the PIN. When powering on a laptop protected by BitLocker, you will be prompted to enter your PIN. BitLocker is available in Ultimate and Enterprise versions of Vista and Windows 7 and the Professional and Enterprise versions of Windows 8. BitLocker is a disk encryption technology from Microsoft that protects the disk (and your data) from being read if it is stolen. Windows-based PCsĪll IT-managed Windows-based laptops will be protected using BitLocker Technology. Encrypting the computer hard drive and/or external device is a secure way to protect the data in case of theft or loss of the item. Under Massachusetts law, one should take special precautions when handling personally identifiable information on a computer, external hard drive, shared network drive, and/or flash drive. Home › Information Technology Services › Security › Data Encryption Data Encryption If any of the above commands cannot be found, even though Drive Encryption is installed on the Mac OS X operating system, it may be necessary to run the commands from /usr/local/bin with. To decrypt a drive, issue the following command: It is then possible to copy data from the problem disk to the other Mac OS X computer if necessary. This will unlock the encrypted disk and allow access to the disk. ![]() Pgpwde -auth -disk 0 -passphrase "passphrase here" To access the encrypted disk having issues, type the following command: If a disk shows a highwater mark, this indicates the disk is encrypted or shows the amount of sectors that are encrypted. Run the following command to see if a drive is encrypted: Boot disks are typically labeled "disk 0". Check to see which disk number is the problem system. This will list the current disks on the system. To decrypt a an encrypted drive, run Terminal from Applications > Macintosh Utilities. You can then troubleshoot or decrypt the disk using the pgpwde tool from the Terminal. The system will boot off of the other Mac OS X computer, but will allow access to the problem Mac OS X system as a "slaved" device.įor more information on using FireWire Target Disk Mode, click here for an Apple Support article. Once the screen displays the two drives, boot using the other Mac OS X computer. If using two Mac OS X computers, connect the two computers via FireWire and while booting, hold the option key down. If Symantec Encryption Desktop is installed on the external USB drive, you can troubleshoot the disk from the Terminal command line. The system will then load normally using boot the external USB drive instead of booting to the main boot drive. Select the external USB drive and boot the system. A window with the main boot drive and external USB drive is displayed. ![]() Plug in the external USB drive and boot the problem Mac OS X system by holding down the Option key. This is useful to troubleshoot encrypted drives.Īfter booting to the targeted disk, Terminal can then be used to troubleshoot an encrypted drive. When booting with Target Disk Mode, the alternate system is accessed as a "slaved" drive. This includes using an external USB drive, another Mac OS X system, or possibly even a network drive. This can aid in recovery of data on a Mac OS X system. Target Disk Mode allows for a Mac OS X system to boot to another disk or system to access the other disk. Target Disk Mode allows you to boot a Symantec Drive Encrypted system and use the Terminal command line tool for troubleshooting.
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