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Module 3: Resolving Boot Process Issues Contents Overview Lesson: Understanding the Boot Process Demonstration: Controlling System Settings During the Boot Process Lesson: Using Advanced Boot Options Practice: Using Safe Mode 13 Lesson: Using the Recovery Console to Start a Computer 15 Lesson: Using the Boot.ini File to Change Startup Behavior 21 Lab A: Troubleshooting the Boot Sequence 28 Information in this document, including URL and other Internet Web site references, is subject to change without notice Unless otherwise noted, the example companies, organizations, products, domain names, e-mail addresses, logos, people, places, and events depicted herein are fictitious, and no association with any real company, organization, product, domain name, e-mail address, logo, person, place or event is intended or should be inferred Complying with all applicable copyright laws is the responsibility of the user Without limiting the rights under copyright, no part of this document may be reproduced, stored in or introduced into a retrieval system, or transmitted in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise), or for any purpose, without the express written permission of Microsoft Corporation Microsoft may have patents, patent applications, trademarks, copyrights, or other intellectual property rights covering subject matter in this document Except as expressly provided in any written license agreement from Microsoft, the furnishing of this document does not give you any license to these patents, trademarks, copyrights, or other intellectual property  2003 Microsoft Corporation All rights reserved Microsoft, MS-DOS, Windows, Windows NT, ActiveX, Active Directory, MSDN, PowerPoint, and Windows Media are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries The names of actual companies and products mentioned herein may be the trademarks of their respective owners Module 3: Resolving Boot Process Issues iii Instructor Notes Presentation: 60 minutes Lab: 45 minutes This module provides students with information about the boot process and how to use advanced boot options It also teaches students how to use the Recovery Console to start a computer and how to use the Boot.ini file to change the computer's startup behavior After completing this module, students will be able to: ! Describe the Microsoft® Windows® XP Professional boot process ! Use the LastKnownGood configuration to resolve boot problems ! Use the Safe-Mode options to access and repair a computer that does not start normally ! Install the Recovery Console ! Use the Recovery Console to resolve a variety of startup problems ! Modify the Boot.ini file to change: • The list of operating systems that is displayed at startup • The boot switch for an operating system • The boot partition for an operating system Required materials To teach this module, you need the following materials: ! Microsoft PowerPoint® file 2285A_03.ppt ! Multimedia presentation, Examining the Microsoft Windows XP Professional Boot Process Important It is recommended that you use PowerPoint 2002 or later to display the slides for this course If you use PowerPoint Viewer or an earlier version of PowerPoint, all of the features of the slides may not appear correctly Preparation tasks To prepare for this module: ! Read all of the materials for this module ! Complete the practices and the lab ! Read all of the materials that are listed under Additional reading in this module iv Module 3: Resolving Boot Process Issues How to Teach This Module This section contains information that will help you to teach this module For some topics in this module, references to additional information appear in notes at the end of the topics Read the additional information to prepare to teach the module During class, make sure that students are aware of the additional information Lesson: Understanding the Boot Process This section describes the instructional methods for teaching this lesson Multimedia: Examining the Microsoft Windows XP Professional Boot Process This multimedia presentation describes the entire boot process from power-on self test (POST) through the installation of Windows XP Professional services You may find it useful to play the whole multimedia presentation once before skimming through it and reviewing the important points ! To prepare for the multimedia presentation View the multimedia presentation several times, anticipate questions that the students may ask, and prepare answers for those questions Prepare a few questions for students to answer while they watch the video Review the module and note any information in the video that is prerequisite information What Are Control Sets? In this topic, describe control sets and their contents Include the following information: ! The naming convention for control sets ! The four configurations of control sets and their uses Remember that you will give a demonstration on the use of the SELECT registry key and the LastKnownGood configuration Before you teach this lesson, determine what information you will present now and what information you will present in the demonstration How the LastKnownGood Configuration Works In this topic, describe the LastKnownGood configuration, and then explain the following: ! How the LastKnownGood configuration is created (when you log on) ! How the LastKnownGood configuration is a copy of the current configuration ! When and how you would select the LastKnownGood configuration Demonstration: Controlling System Settings During the Boot Process In this demonstration, show students how the registry entries under the registry subkey HKEY_LOCAL_MACHINE\SYSTEM are used and changed during the boot process The procedures in the demonstration show how student can use the regedit command to view the configurations and the SELECT registry key Guidelines for Using the LastKnownGood Configuration In this topic, explain to students the circumstances in which they should use or should not use the LastKnownGood configuration Describe each of the circumstances that are listed in the tables, and provide various scenarios regarding the use of the LastKnownGood configuration Module 3: Resolving Boot Process Issues v Lesson: Using Advanced Boot Options This section describes the instructional methods for teaching this lesson Note HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\ Control\Safeboot Types of Advanced Boot Options In this topic, outline all the different boot options Further explain the options by providing an example of each Keep in mind that this is an overview and that you will present some of these options in more detail later Why Use Safe Mode to Start a Computer? Describe the Safe Mode option and its variations Give students a couple of scenarios in which Safe Mode or LastKnownGood would solve the boot problem, and ask if they know which one to use in those situations Practice: Using Safe Mode Explain to students that the practice provides hands-on learning of the tasks presented in this lesson In this practice, students will use Safe Mode to access network resources This practice takes approximately 10 minutes Lesson: Using the Recovery Console to Start a Computer This section describes the instructional methods for teaching this lesson What Is the Recovery Console? In this topic, explain that the Recovery Console allows students to access the Windows XP Professional installation when other boot options not work Describe the command-line nature of the Recovery Console and briefly explain that main commands listed in the table How to Start a Computer by Using the Recovery Console In this topic, describe the procedure for starting a computer by using the Recovery Console Mention that help is available by using the help command Also, emphasize that the Recovery Console is an advanced feature that should only be used by System Administrators and IT Professionals Practice: Installing the Recovery Console Explain to students that the practice provides hands-on learning of the tasks presented in this lesson In this practice, students will install the Recovery Console and modify the Boot.ini file to hide other operating systems Under the Modify the Boot.ini file to be editable section you must tell the delegates that: ! If the classroom was setup using the Manual Setup then follow steps to ! If the classroom was setup using Auto Setup then after doing step they should proceed to step This practice takes approximately 15 minutes vi Module 3: Resolving Boot Process Issues Lesson: Using the Boot.ini File to Change Startup Behavior This section describes the instructional methods for teaching this lesson What Is the Boot.ini File? In this topic, review the information about the structure of the Boot.ini file and the Advance RISC Computing (ARC) paths To ensure that students understand this material, ask them questions about ARC paths Discuss the Boot.ini switches and the two main sections of the Boot.ini file in detail How to Modify the Boot.ini File Show students how to use the Control Panel to modify the Boot.ini settings Explain that this process is safer and easier than editing the Boot.ini file Introduce students to the System Configuration utility (msconfig.exe) and, if possible, show them the utility Mention that support staff uses msconfig.exe to diagnose computer startup and configuration problems Practice: Modifying Display Names and Switches In this practice, students will modify the display name of an operating system and add a boot switch to an operating system Explain to the students that the practice provides hands-on learning of the tasks presented in this lesson This practice takes approximately 10 minutes Assessment Assessment questions for this module are located on the Student Materials compact disc You can use them as pre-assessments to help students identify areas of difficulty, or you can use them as post-assessments to validate learning Consider using them to reinforce learning at the end of the day You can also use them at the beginning of the day as a review of the information that you taught on the previous day Understanding the Boot Process Before they answer this assessment question, remind students that when the third computer first boots, it uses the BIOS to show the monitor display The computer will not encounter a driver or registry problem until it attempts to load Windows XP Professional Using Advanced Boot Options Before students answer this assessment question, mention to students that they can solve the problem by using Safe Mode; however, Safe Mode is not listed as one of the answers Lab A: Troubleshooting the Boot Sequence Before beginning the lab, students should have completed all the practices and have answered the assessment questions The lab takes approximately 45 minutes Module 3: Resolving Boot Process Issues Customization Information This section identifies the lab setup requirements for a module and the configuration changes that occur on student computers during the labs This information is provided to assist you in replicating or customizing Microsoft Official Curriculum (MOC) courseware Important The lab in this module is also dependent on the classroom configuration that is specified in the Customization Information section at the end of the Manual Classroom Setup Guide for Course 2285A, Installing, Administering, and Configuring Microsoft Windows XP Professional Lab Results By performing the lab in this module, students introduce the following configuration changes: ! The Ntdlr file is deleted ! The TCP/IP service is disabled Students must restore the Ntdlr file and re-enable the TCP/IP service vii Module 3: Resolving Boot Process Issues Overview *****************************ILLEGAL FOR NON-TRAINER USE****************************** Introduction This module provides students with the knowledge and the skills necessary to diagnose and correct problems with the Microsoft® Windows® XP Professional boot process When you start a computer, the computer performs a series of startup tasks called the boot process In this module, you will learn about the boot process, and the tools and techniques that you can use to identify and resolve problems with the boot process Objectives After completing this module, you will be able to: ! Explain the Windows XP Professional boot process ! Start a computer in Safe Mode and describe the other advanced boot options ! Use the Recovery Console to start a computer ! Use the Boot.ini file to change a computer’s startup behavior Module 3: Resolving Boot Process Issues Lesson: Understanding the Boot Process *****************************ILLEGAL FOR NON-TRAINER USE****************************** Introduction This lesson describes the boot process, the components of the boot process, and the different boot configurations Control sets contain the information that defines those configurations The configuration that a computer uses depends on the following circumstances: ! The boot is normal ! You selected the LastKnownGood configuration ! Boot errors occurred Based on this knowledge, you can start a computer when the boot process fails Lesson objectives After completing this lesson, you will be able to: ! Describe the Windows XP Professional boot process ! Describe the roles of controls sets and configurations ! Use the LastKnownGood configuration as a safe boot option when the default configuration does not work ! List the guidelines for using the LastKnownGood configuration ! Explain the Windows XP Professional boot process 16 Module 3: Resolving Boot Process Issues What Is the Recovery Console? *****************************ILLEGAL FOR NON-TRAINER USE****************************** Key points You can use the Recovery Console feature in Windows XP Professional to start the computer if Safe Mode and other boot options not work The Recovery Console can fix a variety of startup problems The following table shows the more common startup problems and their Recovery Console solutions Problem Recovery Console solution A service or device driver is preventing the computer from starting properly Use the disable command to disable the service or driver, restart the computer without the service or driver functioning, and then determine the problem A missing file is preventing the computer from starting properly Use the extract command to repair the computer by uncompressing a compressed file and copying it from a floppy disk or a compact disc to the appropriate folder or Use the copy command to repair the computer by copying an uncompressed file from a floppy disk or a compact disc to the appropriate folder The boot sector is damaged The master boot record is damaged Further information Use the fixboot command to write a new partition boot sector on the system partition Use the fixmbr command to repair the master boot record on the partition boot sector For more information about Recovery Console commands, see Windows XP Professional Help or look for cross-references to the commands in the resource kits Module 3: Resolving Boot Process Issues 17 How to Start a Computer by Using the Recovery Console *****************************ILLEGAL FOR NON-TRAINER USE****************************** Key points You can use the Recovery Console to start a computer when Safe Mode and other methods have not worked You can run the Recovery Console from the Windows XP Professional compact disc, or install it on the computer so that it is available when the operating system cannot start To use the Recovery Console to start the computer: Start the Recovery Console from the Operating System Selection menu or from the Windows XP Professional compact disc If there is more than one operating system installed, you will be able to select the installation that you want to repair Log on to the Recovery Console using the administrator’s password For more information about Recovery Console commands, use the help command Important The Recovery Console is a powerful feature that can damage the operating system if you use it improperly Use the Recovery Console only if the advanced boot options cannot solve the problem 18 Module 3: Resolving Boot Process Issues Practice: Installing the Recovery Console *****************************ILLEGAL FOR NON-TRAINER USE****************************** Objectives In this practice, you will install the Recovery Console Prerequisites Before beginning this practice, you must have a computer running Microsoft Windows XP Professional Note For more information about Recovery Console commands, see Windows XP Professional Help or look for cross-references to the commands in the resource kits Scenario One of the computers in the group that you support occasionally stops during the boot process To solve the problem, you want to install the Recovery Console but you not want the user to see the Operating System Selection menu during the boot process You will install the Recovery Console, and then modify the Boot.ini file so that the user does not see the Operating System Selection menu ! Install the Recovery Console Log on to the local computer as Administrator with a password of P@ssw0rd Note You are logging in as Administrator for this practice because you will require Administrator privileges to execute some of the subsequent steps Insert the Microsoft Windows XP Professional compact disc into the CD-ROM drive On the Welcome to Microsoft Windows XP screen, click Exit Open a command-prompt window and, at the command prompt, switch to your CD-ROM drive Type \i386\winnt32.exe/cmdcons and then press ENTER Module 3: Resolving Boot Process Issues 19 When you are prompted, Do you want to install the Recovery Console, click Yes Windows XP Professional setup begins installing the Recovery Console If the computer does have a connection to the Internet, skip the next step If the Getting Updated Setup Files dialog box appears, select Skip this step and continue installing Windows, and then click Next When the Microsoft Windows XP Professional Setup message box appears, click OK Close the command-prompt window, remove the Windows XP Professional compact disc, and then restart the computer Note Because you installed the Recovery Console, you restart the computer to ensure that the Operating System Selection menu is displayed ! Modify the Boot.ini file to be editable On the Operating System Selection menu, click Microsoft Windows XP Professional, or let the selection time elapse Log on to the local computer as Administrator with a password of P@ssw0rd Click Start, right-click My Computer, and then click Explore Note The following steps to are only necessary if these settings were not applied during the installation of your computer Your instructor will tell you if you need to these steps On the Tools menu, click Folder Options In the Folder Options dialog box, click View On the Advanced Settings list, click Show hidden files and folders, clear the Hide extensions for known file types check box, and then clear the Hide protected operating system files (recommended) check box When you are prompted, Are you sure you want to display these files, click Yes, and then click OK to close the Folder Options dialog box Right-click Local Disk (C:), and then click Open If the drive contents not appear, under System Tasks, click Show the contents of this drive 10 In the Details pane, right-click Boot.ini, and then click Properties 11 On the Boot.ini Properties sheet, clear the Read-only attribute, and then click OK 12 Close all open windows 20 Module 3: Resolving Boot Process Issues ! Modify the Boot.ini file so that the Operating System Selection menu does not appear Click Start, right-click My Computer, and then click Properties On the System Properties sheet, click the Advanced tab, and in the Startup and Recovery section, click Settings In the Startup and Recovery dialog box, click Edit, and then view the contents of the Boot.ini file Note Because you have modified the Read-only attributes of the Boot.ini file, you can now modify any part of the file Instead of modifying the file, however, you will use the user interface to change the display time of the Operating System Selection menu Notice that by using the user interface, you are not required to modify the Read-only attribute Close Notepad In the Startup and Recovery dialog box, clear the Time to display list of operating systems check box The value is now grayed out and set to zero Click OK to close the Startup and Recovery dialog box Click OK to close the System Properties sheet, and then restart the computer Notice that although there are multiple entries in the Boot.in file, the default operating system is automatically selected ! Modify the Boot.ini file so that the Operating System Selection menu does appear Log on to the local computer as Administrator with a password of P@ssw0rd Click Start, right-click My Computer, and then click Properties On the System Properties sheet, click the Advanced tab, and in the Startup and Recovery section, click Settings In the Startup and Recovery dialog box, check the Time to display list of operating systems check box to change the value automatically to 30 Click OK to close the Startup and Recovery dialog box Click OK to close the System Properties sheet, and then restart the computer Module 3: Resolving Boot Process Issues 21 Lesson: Using the Boot.ini File to Change Startup Behavior *****************************ILLEGAL FOR NON-TRAINER USE****************************** Introduction The Boot.ini file controls: ! Which operating system is loaded during the boot process ! Whether the user is presented with a choice of operating systems during the boot process ! The boot switches that an operating system is loaded with Understanding the contents and the structure of the Boot.ini file enables you to edit the file safely Lesson objectives After completing this lesson, you will be able to: ! Describe the parts of the Boot.ini file and their functions ! Modify a Boot.ini file ! Use the Boot.ini file to change the startup behavior of a computer 22 Module 3: Resolving Boot Process Issues What is the Boot.ini File? *****************************ILLEGAL FOR NON-TRAINER USE****************************** The Boot.ini file is in the root directory of the system partition The Ntldr file uses the information in the Boot.ini file to display the options on the Please Select an Operating System to Start menu Editing the Boot.ini file You can edit the Boot.ini file to: ! Modify the list of operating systems on the Please Select an Operating System to Start menu ! Change a boot switch for an operating system ! Change the boot partition for an operating system Note For more information about how the Boot.ini file affects the boot process, open the Web page on the Student Materials compact disc, click Multimedia, and then click, Examining the Microsoft Windows XP Professional Boot Process Components of the Boot.ini file The following table describes the two sections of the Boot.ini file Section Description [boot loader] The time-out setting and the path to the default operating system [operating systems] The path to each operating system that is installed on the computer Note If you install Windows XP Professional in a multiboot configuration, there is an entry for each operating system Otherwise, there is an entry only for Windows XP Professional Module 3: Resolving Boot Process Issues ARC paths 23 The Boot.ini file uses Advanced RISC Computing (ARC) paths to point to the partitions on which the operating systems reside The following are examples of ARC paths: SCSI(0)disk(1)rdisk(0)partition(1)\Windows=Microsoft Windows XP multi(0)disk(0)rdisk(1)partition(2)\Windows=Microsoft Windows 2000 The following table describes each part of the ARC path Convention Scsi(x) Specifies a SCSI controller on which the SCSI BIOS is not enabled Numbering begins at Multi(x) Specifies any controller other than one that uses the SCSI(x) convention The x represents a number that indicates the load order of the controller Numbering begins at Disk(y) The SCSI ID For Multi, the y value for Disk (y) is always For SCSI, y identifies the disk on which the operating system resides Numbering begins at Rdisk(z) Identifies the disk on which the operating system resides Numbering begins at Partition(a) Boot.ini switches Description Specifies the partition on which the operating system resides Numbering begins at The following table lists the common switches used in the [operating systems] section of the Boot.ini file Switch Function and uses /basevideo Boots the computer by using the standard VGA video driver Use this switch to start Windows XP Professional if a video driver is not functioning, and then change the driver while you are logged on /bootlog Enables boot logging to Ntbtlog.txt in the Systemroot folder For more information about boot logging, see Windows XP Professional Help /debug Loads the Windows kernel debugger when you start Windows XP Professional /fastdetect=[com |comx,y,z] Included with every entry by default, this switch disables serial mouse detection when a port is specified, and disables peripheral detection on all COM ports when a port is not specified /maxmem:n Specifies the amount of RAM that Windows XP Professional uses (The n is the amount of RAM in the computer, in kilobytes or KB.) Use this switch when you suspect that a memory chip is corrupted /noguiboot Boots the computer without displaying the graphical boot status 24 Module 3: Resolving Boot Process Issues (continued) Switch Function and uses /safeboot:parameter Forces the computer to start in Safe Mode by using the specified parameters You can also use these boot options by pressing the F8 key when you are prompted at startup /sos Displays device drivers as they are being loaded Use this switch if you suspect that a startup problem is caused by a corrupted driver Module 3: Resolving Boot Process Issues 25 Ways to Modify the Boot.ini File *****************************ILLEGAL FOR NON-TRAINER USE****************************** Key points ! The safest way to modify the settings in a Boot.ini file is by using Control Panel • You can modify the time-out and default values of the Boot.ini file by using System Properties in Control Panel • You can alter the display names of operating systems that appear on the Please Select an Operating System to Start menu For example, if there are two operating systems on a computer with a dual-boot configuration, you can change the display names of the operating systems to reflect their purposes; for example, “Windows XP Professional Workgroup” and “Windows 2000 Domain.” You can also add or remove switches to the entries under the [operating systems] section of the Boot.ini file For example, you may want to disable the /fastdetect switch ! You can modify the Boot.ini file by using an editor Manually editing Boot.ini requires that you have access to hidden system files, which renders these files vulnerable to corruption ! You can use the System Configuration utility, msconfig.exe, to automate common changes to the Boot.ini when you are troubleshooting Primarily a diagnostic utility for Windows XP Professional, the System Configuration utility also provides control over a large set of the boot options in Boot.ini Advanced options in msconfig.exe include: • /NUMPROC, which sets the maximum number of processes • /DEBUGPORT, which selects a serial port down which to send debug messages • /BAUDRATE, which specifies the bit rate of the serial port specified by /DEBUGPORT 26 Module 3: Resolving Boot Process Issues Practice: Modifying Display Names and Switches *****************************ILLEGAL FOR NON-TRAINER USE****************************** Objectives After completing this practice, you will be able to: ! Modify the display name of an operating system ! Add a boot switch to an operating system Prerequisites Before beginning this practice, you must have a computer running Microsoft Windows XP Professional Scenario You have installed two operating systems on a computer with a dual-boot configuration You will alter the display names of operating systems that appear on the Please Select an Operating System to Start menu to reflect their purposes You are experiencing problems with a computer and you suspect that a driver may not be loading You will use the /sos switch to determine which driver is causing the problem Practice In this practice, you will change the Boot.ini file to: ! Modify the display name of an operating system ! Add a boot switch to an operating system Module 3: Resolving Boot Process Issues 27 ! Modify the display name for an operating system Log on to the local computer as Administrator with a password of P@ssw0rd Click Start, right-click My Computer, and then click Properties On the Advanced tab, under Startup and Recovery, click Settings Under System startup, click Edit To change the display name of an operating system, locate the name of the operating system, which is enclosed in quotation marks, in the [operating systems] section of the Boot.ini file The display name appears as \WINDOWS= “operating system name” Change the name within the quotation marks ! Add a boot switch to an operating system To add the switch, type /sos at the end of the “operating system name” line On the File menu, click Save, close the window, and then click OK twice Reboot the computer ! Remove the /sos switch Log on to the local computer as Administrator with a password of P@ssw0rd Click Start, right click My Computer, and then click Properties On the Advanced tab, under Startup and Recovery, click Settings Under System startup, click Edit Delete /sos from the end of the “operating system name” line On the File menu, click Save, close the window, and then click OK twice Log off the computer 28 Module 3: Resolving Boot Process Issues Lab A: Troubleshooting the Boot Sequence *****************************ILLEGAL FOR NON-TRAINER USE****************************** Objectives After completing this lab, you will be able to: ! Use the Recovery Console to resolve boot process problems ! Use the advanced boot options to resolve boot process problems Note This lab focuses on the concepts in this module As a result, it may not comply with Microsoft security recommendations Prerequisites Estimated time to complete this lab: 45 minutes Before beginning this lab, you must have a computer running Microsoft® Windows® XP Professional Module 3: Resolving Boot Process Issues Exercise Using the Recovery Console to Solve Boot Process Problems In this exercise, you will use the Recovery Console to solve boot process problems Scenario One of the users in the group that you support has gained access to the computer as an administrator, and has accidentally deleted files that are necessary for the boot process You want to restore the computer without reinstalling the operating system Tasks Prepare for the exercise Specific Instructions a Log on to the local computer as Administrator b Open Windows Explorer c Browse to C:\MOC\2285\Labfiles\Lab03 d Run the exercise setup file Mod03_labA_exercise1.bat Determine the boot process problem, and then use the Recovery Console to correct it a Reboot your computer b Log on by using the Recovery Console c Determine the boot process problem d Use Recovery Console commands to resolve the problem e Reboot your computer to show that the boot problem is resolved 29 30 Module 3: Resolving Boot Process Issues Exercise Using the Advanced Boot Options to Solve Boot Process Problems In this exercise, you will use the advanced boot options and the Recovery Console to solve boot process problems Scenario The computer of a user in the group that you support cannot access resources on the network You will use the advanced boot options to solve her problem Note The fault is introduced in task Tasks Search for and delete the ntbtlog file Specific instructions a Log on to the local computer as Administrator with a password of P@ssw0rd b Search for the ntbtlog.txt file; if it exists, delete it View the contents of Ntbtlog.txt file a On the Advanced Options menu, click Enable Boot Logging b Boot into Windows XP Professional c Log on as Administrator d In the ntbtlog.txt file, look for the entry that shows that the TCP/IP service was installed Introduce the fault for this exercise a Log on to the local computer as Administrator b Open Windows Explorer c Browse to C:\MOC\2285\Labfiles\Lab03 d Run the exercise setup file Mod03_labA_exercise2.bat Reboot your computer and determine the boot process problem a Reboot your computer c Determine the boot problem Use the Recovery Console to correct the problem a Use Recovery Console commands to resolve the problem b Log on by using the Recovery Console b Reboot your computer to show that the boot problem is resolved ... the problem e Reboot your computer to show that the boot problem is resolved 29 30 Module 3: Resolving Boot Process Issues Exercise Using the Advanced Boot Options to Solve Boot Process Problems... is corrupted /noguiboot Boots the computer without displaying the graphical boot status 24 Module 3: Resolving Boot Process Issues (continued) Switch Function and uses /safeboot:parameter Forces... Professional Module 3: Resolving Boot Process Issues Exercise Using the Recovery Console to Solve Boot Process Problems In this exercise, you will use the Recovery Console to solve boot process problems

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