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How to access Windows Safe Mode when Drive Encryption is installed
Technical Articles ID:   KB73714
Last Modified:  7/21/2017
Rated:


Environment

McAfee Drive Encryption (DE) 7.x

For details of DE 7.x supported environments, see KB79422.

Summary

Accessing Safe Mode by pressing F8 is normal when using Windows and is supported by DE.

This article covers the following situations:
  • You might experience difficulty in accessing Windows Safe Mode by pressing F8 during startup when DE is installed.
  • Problems can occur regardless of whether preboot authentication is required, or if the client is in an AutoBoot mode.
NOTE: F8 recovery is not available on the Samsung Slate 700T tablets. Technical issues prevent F8 recovery from working on this platform with either DE  installed.

Solution

To access Windows Safe Mode when Preboot Authentication is enabled:
  1. Start or restart your computer.
  2. Authenticate at the preboot authentication screen.  

    After a few moments, the following messages display on a black text screen

    NOTE: The delay between authentication and the display of the text may vary, so be prepared to press and hold F8.

    IMPORTANT: Some later versions of Windows (Windows 10 for exampe) do not display the messages below during startup. In this situation, continue to hold the F8 key down to access Safe Mode as soon as you have entered your preboot credentials.
Resetting Hardware...
Restoring interrupts...
Disabling Mouse...
Starting operating system...
  1. When you see the message Resetting Hardware,  press and hold F8 until the Windows Safe Mode startup screen displays.

    IMPORTANT: You must keep the F8 key pressed; do not just press the key once. You must keep holding the key down to access Safe Mode. 

    The Windows Safe Mode startup screen displays.

Solution

To access Windows Safe Mode when Automatic Booting is enabled:

Depending on the make and model of the computer, one of the following methods will provide access to Safe Mode. McAfee is unable to retain a published list of which method works with which specific make and model.

Method 1
  1. Start or restart your computer.

    NOTE: If Automatic Booting is enabled, you will not see the preboot authentication screen. The first message you see is McAfee Drive Encryption V7.x
     
  2. The moment you see the above, press and hold F8 until the Windows Safe Mode startup screen displays.

    IMPORTANT: You must keep the F8 key pressed; do not just press the key once. You must keep holding the key down to access Safe Mode.

    After a few moments, the following messages display on a black text screen:

    NOTE: Some later versions of Windows (Windows 10 for exampe) do not display the messages below during startup.

    Resetting Hardware...
    Restoring interrupts...
    Disabling Mouse...
    Starting operating system...


    The Windows Safe Mode startup screen then displays.

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