diff --git a/windows/client-management/advanced-troubleshooting-boot-problems.md b/windows/client-management/advanced-troubleshooting-boot-problems.md index e83a4bf8bd..a5e053d57f 100644 --- a/windows/client-management/advanced-troubleshooting-boot-problems.md +++ b/windows/client-management/advanced-troubleshooting-boot-problems.md @@ -14,8 +14,8 @@ ms.topic: troubleshooting # Advanced troubleshooting for Windows boot problems ->[!NOTE] ->This article is intended for use by support agents and IT professionals. If you're looking for more general information about recovery options, see [Recovery options in Windows 10](https://support.microsoft.com/help/12415). +> [!NOTE] +> This article is intended for use by support agents and IT professionals. If you're looking for more general information about recovery options, see [Recovery options in Windows 10](https://support.microsoft.com/help/12415). ## Summary @@ -58,14 +58,14 @@ Here is a summary of the boot sequence, what will be seen on the display, and ty Each phase has a different approach to troubleshooting. This article provides troubleshooting techniques for problems that occur during the first three phases. ->[!NOTE] ->If the computer repeatedly boots to the recovery options, run the following command at a command prompt to break the cycle: +> [!NOTE] +> If the computer repeatedly boots to the recovery options, run the following command at a command prompt to break the cycle: > ->`Bcdedit /set {default} recoveryenabled no` +> `Bcdedit /set {default} recoveryenabled no` > ->If the F8 options don't work, run the following command: +> If the F8 options don't work, run the following command: > ->`Bcdedit /set {default} bootmenupolicy legacy` +> `Bcdedit /set {default} bootmenupolicy legacy` ## BIOS phase @@ -98,8 +98,8 @@ The Startup Repair tool automatically fixes many common problems. The tool also To do this, follow these steps. ->[!NOTE] ->For additional methods to start WinRE, see [Entry points into WinRE](https://docs.microsoft.com/windows-hardware/manufacture/desktop/windows-recovery-environment--windows-re--technical-reference#span-identrypointsintowinrespanspan-identrypointsintowinrespanspan-identrypointsintowinrespanentry-points-into-winre). +> [!NOTE] +> For additional methods to start WinRE, see [Entry points into WinRE](https://docs.microsoft.com/windows-hardware/manufacture/desktop/windows-recovery-environment--windows-re--technical-reference#span-identrypointsintowinrespanspan-identrypointsintowinrespanspan-identrypointsintowinrespanentry-points-into-winre). 1. Start the system to the installation media for the installed version of Windows. **Note** For more information, see [Create installation media for Windows](https://support.microsoft.com/help/15088). @@ -132,8 +132,8 @@ To repair the boot sector, run the following command: BOOTREC /FIXBOOT ``` ->[!NOTE] ->Running **BOOTREC** together with **Fixmbr** overwrites only the master boot code. If the corruption in the MBR affects the partition table, running **Fixmbr** may not fix the problem. +> [!NOTE] +> Running **BOOTREC** together with **Fixmbr** overwrites only the master boot code. If the corruption in the MBR affects the partition table, running **Fixmbr** may not fix the problem. ### Method 3: Fix BCD errors @@ -153,10 +153,12 @@ If you receive BCD-related errors, follow these steps: 4. You might receive one of the following outputs: - - Scanning all disks for Windows installations. Please wait, since this may take a while...Successfully scanned Windows installations. Total identified Windows installations: 0 + - Scanning all disks for Windows installations. Please wait, since this may take a while... + Successfully scanned Windows installations. Total identified Windows installations: 0 The operation completed successfully. - - Scanning all disks for Windows installations. Please wait, since this may take a while... Successfully scanned Windows installations. Total identified Windows installations: 1 + - Scanning all disks for Windows installations. Please wait, since this may take a while... + Successfully scanned Windows installations. Total identified Windows installations: 1 D:\Windows Add installation to boot list? Yes/No/All: @@ -165,7 +167,7 @@ If the output shows **windows installation: 0**, run the following commands: ```dos bcdedit /export c:\bcdbackup -attrib c:\\boot\\bcd -h -r –s +attrib c:\\boot\\bcd -r –s -h ren c:\\boot\\bcd bcd.old @@ -174,10 +176,12 @@ bootrec /rebuildbcd After you run the command, you receive the following output: - Scanning all disks for Windows installations. Please wait, since this may take a while...Successfully scanned Windows installations. Total identified Windows installations: 1{D}:\Windows -Add installation to boot list? Yes/No/All: Y + Scanning all disks for Windows installations. Please wait, since this may take a while... + Successfully scanned Windows installations. Total identified Windows installations: 1 + {D}:\Windows + Add installation to boot list? Yes/No/All: Y -5. Try again to start the system. +5. Try restarting the system. ### Method 4: Replace Bootmgr @@ -187,26 +191,24 @@ If methods 1 and 2 do not fix the problem, replace the Bootmgr file from drive C 2. Run the **attrib** command to unhide the file: ```dos - attrib-s -h -r + attrib -r -s -h ``` 3. Run the same **attrib** command on the Windows (system drive): ```dos - attrib-s -h –r + attrib -r -s -h ``` 4. Rename the Bootmgr file as Bootmgr.old: ```dos - ren c:\\bootmgr bootmgr.old + ren c:\bootmgr bootmgr.old ``` -5. Start a text editor, such as Notepad. +5. Navigate to the system drive. -6. Navigate to the system drive. +6. Copy the Bootmgr file, and then paste it to the System Reserved partition. -7. Copy the Bootmgr file, and then paste it to the System Reserved partition. - -8. Restart the computer. +7. Restart the computer. ### Method 5: Restore System Hive