ACRONIS Disk Director 11 Home Betriebsanweisung PDF herunterladen (Seite 66)

8.7.1 Reactivating the Acronis OS Selector boot menu

Because operating systems can change the Master Boot Record (MBR) during installation, Acronis OS

Selector, which also uses the MBR, might become inoperable.

If this happens, you will not have to reinstall Acronis OS Selector, but to restore it by reactivating it

from a bootable media — see Bootable Media Builder (p. 48). After loading it, select Activate OS

Selector in the Tools section of the main menu.

Besides, automatic reactivation is provided for Windows 98 operating system. To do this, Acronis OS

Selector adds a REINSTAL.COM launch line into AUTOEXEC.BAT that restores Acronis OS Selector

MBR code. Still, if this program does not do the thing correctly, you can reactivate Acronis OS

Selector manually.

It is impossible to perform automatic MBR recovery under Windows Millennium Edition, as this OS has a

feature-limited version of MS DOS 8.0 that can’t run programs from AUTOEXEC.BAT.

8.7.2 Installing several Windows copies to a single machine

8.7.2.1 General information

Any Windows operating system consists of two parts: bootable and main.

Windows 2000/XP has NTLDR OS core loader (a simple boot manager) that requires the BOOT.INI

configuration file, NTDETECT.COM initial hardware detector, while Windows 7 has bootmgr loader

that requires the BCD configuration file.

The main part of Windows operating system is located in Windows (or WINNT), Program Files,

Documents and settings, or Users system folders that might be stored on any hard disk volume or

even disk, while the bootable part is required to be located on the first hard disk primary volume.

The disk has to be the first, according to BIOS. This may vary from the enumeration that several

operating systems provide. If there are several disks in the machine, you can see their enumeration

in the Acronis Disk Director main window (p. 18). The first disk in the system is numbered 1.

Due to the location limitations of the bootable part, you can avoid problems with Windows only if

you follow the installation sequence, according to which, older operating systems are to be installed

first: Windows 2000 Professional -> Windows XP -> Windows Vista -> Windows 7.

This operating system installation sequence solves boot problems. Otherwise, boot files of a newer

OS will be damaged by those of an older version of Windows that knows nothing of its subsequent

versions.

Acronis OS Selector breaks this limitation and eliminates the need to worry about the Windows

installation sequence.

8.7.2.2 Installing another Windows OS on a separate volume

1. Prepare a free primary volume for the new Windows system.

You can do this by using unallocated space. For volume creation instructions see Creating a

volume (p. 26). If there is no unallocated space, you can free up space by resizing respective

volumes — see Resizing a volume (p. 28).

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ACRONIS Disk Director 11 Home Betriebsanweisung Seite 66