Dell PowerEdge 3250 Red Hat® Linux Update (.pdf) - Page 9

Recovering Boot Options in System Setup - bios

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Recovering Boot Options in System Setup When the BIOS is recovered or updated, the system setup options are reset to the default options. Before performing a BIOS recovery, write down the current configuration settings so that you can restore the settings. The following sections give information on how to use the EFI Boot Manager and how to reinstall boot options with the Windows and Red Hat Linux operating systems. The EFI Boot Manager menu allows you to access the operating systems installed on your system, a Boot option maintenance menu, and the EFI shell. Using the EFI Boot Manager 1 Turn on your system by pressing the power button on the system's front panel. If your system is already on, reboot it. 2 Wait until the system tests are completed. The EFI Boot Manager screen appears. From the EFI Boot Manager screen, you can select the following options: • Operating systems installed on your system • Boot option maintenance menu - Use this option to select boot devices and their relative order. Use the up- and down-arrow keys to navigate through the list. Press to make a selection. Windows Server 2003, Enterprise Edition, 64-Bit Version Operating System Perform the following steps to recover the boot options when running Windows. 1 From the EFI Boot menu, select EFI Shell [Built In] and press . A list of devices are displayed. 2 At the Shell> prompt, type FS0: and press . 3 Change the directory by typing cd efi\microsoft\winnt50 and pressing . NOTE: If you have more than one drive and the files are not located in the directory above, you may need to type FS1: and re-enter the command cd efi\microsoft\winnt50. 4 Make note of the name of the boot file located in this directory. Information Update 1-5

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Information Update
1-5
Recovering Boot Options in System Setup
When the BIOS is recovered or updated, the system setup options are reset to the default
options. Before performing a BIOS recovery, write down the current configuration settings
so that you can restore the settings. The following sections give information on how to use
the EFI Boot Manager and how to reinstall boot options with the Windows and Red Hat
Linux operating systems.
The EFI Boot Manager menu allows you to access the operating systems installed on your
system, a
Boot option maintenance
menu
, and the EFI shell.
Using the EFI Boot Manager
1
Turn on your system by pressing the power button on the system’s front panel.
If your system is already on, reboot it.
2
Wait until the system tests are completed.
The
EFI Boot Manager
screen appears.
From the
EFI Boot Manager
screen, you can select the following options:
Operating systems installed on your system
Boot option maintenance menu
— Use this option to select boot devices and their
relative order.
Use the up- and down-arrow keys to navigate through the list. Press <Enter> to make a
selection.
Windows Server 2003, Enterprise Edition, 64-Bit Version Operating System
Perform the following steps to recover the boot options when running Windows.
1
From the
EFI Boot
menu, select
EFI Shell [Built In]
and press <Enter>.
A list of devices are displayed.
2
At the
Shell>
prompt, type
FS0:
and press <Enter>.
3
Change the directory by typing
cd efi\microsoft\winnt50
and pressing
<Enter>.
NOTE:
If you have more than one drive and the files are not located in the directory above,
you may need to type
FS1:
and re-enter the command
cd efi\microsoft\winnt50
.
4
Make note of the name of the boot file located in this directory.