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MAC BOOTS TO PROHIBITORY SIGN MAC OS UTILITIES SCREEN HOW TO
MAC BOOTS TO PROHIBITORY SIGN MAC OS UTILITIES SCREEN UPDATE

Symantec Drive Encryption 10.3.0, 10.3.0 MP1 PGP Whole Disk Encryption 10.2.1 MP5.

MAC BOOTS TO PROHIBITORY SIGN MAC OS UTILITIES SCREEN UPDATE

Apple Mac OS X 10.8.3 with v1.2 Thunderbolt Firmware Update.Symantec Drive Encryption (or PGP Whole Disk Encryption) is still installed at this point, but you will not be able to encrypt your disk. Since the drive is not encrypted in this scenario, it is possible to boot into the recovery partition or use the Mac OS X installation disc and then open up a terminal utility and move the PGPwde.kext from /System/Library/Extensions to another location. Scenario 2 The drive is not encrypted and will not boot Once you are decrypted, follow the steps in Scenario 2.For this option please see this article on recovery via Target Disk Mode. Recover the system using Target Disk Mode.Attach a Thunderbolt to FireWire adapter/cable to the Mac you are controlling the affected MacBook Air with.Note: Using this recovery method requires physical access to another Mac OS X system that you can use to control the affected MacBook Air which has a FireWire port and also access to a Thunderbolt to FireWire adapter. Scenario 1 - Option B: Using Target Disk Mode via FireWire with a Thunderbolt to FireWire adapter Once you are decrypted, follow steps in Scenario 2.Since it is currently not clear what the exact cause of the Big Sur boot loop is, you’ll have to try the different solutions to find the one that works. To fix the Big Sur boot loop, we suggest trying a couple of different methods.

MAC BOOTS TO PROHIBITORY SIGN MAC OS UTILITIES SCREEN HOW TO

To decrypt the drive, press "D" to begin the decryption. How to fix the Big Sur Boot Loop problem on Mac.

Download Symantec Drive Encryption Recovery Images found in this article.

Warning: Using the Recovery CD method can take several days to recover, depending on the size of the drive. Note: To recover from this method you need access to a USB CD/DVD-ROM drive Scenario 1 - Option A: Using the Recovery CD with an External USB drive Scenario 1 The drive is encrypted and won't boot The following is a known temporary workaround for the issue until the version/maintenance pack is released:

Please be sure to refer back to this document periodically as any changes to the status of the issue will be reflected here.

Symantec Corporation is committed to product quality and satisfied customers. This issue is currently being considered by Symantec Corporation to be addressed in a forthcoming version or Maintenance Pack of the product.