bootsect (啟動扇區恢復工具)

小豬老師發表于 2020-06-18 18:20

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命令行 MSDOS命令 bootsect

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bootsect命令更新硬盤分區的主引導代碼，以便在BOOTMGR和NTLDR之間進行切換。您可以使用此工具恢復計算機上的引導扇區，它可以用于基于FAT和NTFS的文件系統，替代FixFAT和FixNTFS工具。

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1 bootsect 運行系統環境

2 Bootsect 語法

3 bootsect 示例

bootsect 運行系統環境

Windows xp

Windows vista

Windows 2000

Windows 7

Windows 8

Windows 10

Bootsect 語法

bootsect {/help|/nt60|/nt52} {SYS|ALL|:} [/force] [/mbr]

/help	顯示這些使用說明。
/nt52	將與NTLDR兼容的主引導代碼應用到SYS、ALL。安裝在SYS、ALL或必須比Windows Vista更老的操作系統。
/nt60	將與BOOTMGR兼容的主引導代碼應用到SYS、ALL。安裝在SYS、ALL或必須是Windows Vista、Windows Server 2008或更高版本上的操作系統。
SYS	更新用于引導窗口的系統分區上的主引導代碼。
ALL	更新所有分區上的主引導代碼。所有這些都不一定更新每個卷的引導代碼。相反，此選項更新可以用作Windows引導卷的卷上的引導代碼，這將排除任何未連接到底層磁盤分區的動態卷。之所以存在此限制，是因為引導代碼必須位于磁盤分區的開頭。
< DriveLetter >	更新與此驅動器號關聯的卷上的主引導代碼。如果1)與卷沒有關聯，或者2)與未連接到底層磁盤分區的卷關聯，則不會更新引導代碼。
/force	在引導代碼更新期間強制卸載卷。您應該謹慎使用此選項。如果Bootsect.exe不能獲得獨占卷訪問，文件系統可能會在下一次重新引導之前覆蓋引導代碼。exe總是在每次更新之前嘗試鎖定和卸載卷。當指定/force時，如果初始鎖嘗試失敗，將嘗試強制卸除。鎖定可能會失敗，例如，如果目標卷上的文件當前被其他程序打開。當成功時，強制卸除允許排他卷訪問和可靠的引導代碼更新，即使初始鎖定失敗。同時，強制卸除會使目標卷上所有打開的文件句柄失效，導致打開這些文件的程序出現意外行為。因此，您應該謹慎使用此選項。
/mbr	更新主引導記錄，而不更改包含SYS、ALL或驅動器號指定的分區的磁盤扇區0上的分區表。當與/nt52選項一起使用時，主引導記錄與比windowsvista更老的操作系統兼容。當與/nt60選項一起使用時，主引導記錄與Windows Vista、Windows Server 2008或更高版本兼容。

bootsect {/help|/nt60|/nt52} {SYS|ALL|:} [/force] [/mbr]

Drive:	The drive letter to be searched.
/help	Displays these usage instructions.
/nt52	Applies the master boot code that is compatible with NTLDR to SYS, ALL, or. The operating system installed on SYS, ALL, ormust be older than Windows Vista.
/nt60	Applies the master boot code that is compatible with BOOTMGR to SYS, ALL, or. The operating system installed on SYS, ALL, ormust be Windows Vista, Windows Server 2008 or later.
SYS	Updates the master boot code on the system partition used to boot Windows.
ALL	Updates the master boot code on all partitions. ALL does not necessarily update the boot code for each volume. Instead, this option updates the boot code on volumes that could be used as Windows boot volumes, which excludes any dynamic volumes that are not connected with an underlying disk partition. This restriction is present because boot code must be located at the beginning of a disk partition.
< DriveLetter >	Updates the master boot code on the volume associated with this drive letter. Boot code is not updated if either 1)is not associated with a volume or 2)is associated with a volume not connected to an underlying disk partition.
/force	Forcibly dismounts the volume(s) during the boot code update. You should use this option with caution. If Bootsect.exe cannot gain exclusive volume access, the file system may overwrite the boot code before the next reboot. Bootsect.exe always attempts to lock and dismount the volume before each update. When /force is specified, a forced dismount is attempted if the initial lock attempt fails. A lock can fail, for example, if files on the target volume are currently opened by other programs. When successful, a forced dismount allows exclusive volume access and a reliable boot code update even though the initial lock failed. At the same time, a forced dismount invalidates all open handles to files on the target volume resulting in unexpected behavior from the programs that opened these files. Therefore, you should use this option with caution.
/mbr	Updates the master boot record without changing the partition table on sector 0 of the disk that contains the partition specified by SYS, ALL, or drive letter. When used with /nt52 option, the master boot record is compatible with operating systems older than Windows Vista. When used with the /nt60 option, the master boot record is compatible with Windows Vista, Windows Server 2008 or later.

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bootsect 示例

要將與NTLDR兼容的主引導代碼應用到標為E:的卷，請使用以下命令:

bootsect /nt52 E:

To apply the master boot code that is compatible with NTLDR to the volume labeled E:, use the following command:

bootsect /nt52 E:

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