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Windows 7: multi boot linux problem

20 Jun 2011   #11
roelof

Win 7 Premium home
 
 

Hello Arc,

On that menu the second disk don't show up.
I can only choose floppy., first hard disk, dvd and network startup.

Boyans,

I use a mbr file to start up linux.


Roelof


My System SpecsSystem Spec
.
20 Jun 2011   #12
boyans

Win 8 RP, Win 7, XP
 
 

This is a "good" *nix boot entry (bcdedit output):

Real-mode Boot Sector
---------------------
identifier {d63df79f-bbda-4319-ae91-9bd67f12b3da}
device partition=D:
path \Boot\boot.img
description Kubuntu over boot.img

If your *nix system does not start properly you have to fix it first then try chainloading with Windows 7.
My System SpecsSystem Spec
20 Jun 2011   #13
roelof

Win 7 Premium home
 
 

Oke,

I see the difference.
The drive which contains pc-bsd has no drive name. Can I do that or do I have to make the partition on the second disk again to give it a drive name.

Roelof
My System SpecsSystem Spec
.

20 Jun 2011   #14
boyans

Win 8 RP, Win 7, XP
 
 

In my post obove drive D: is a Windows drive and a NTFS drive and happens to be my boot and system drive !

The file boot.img can be placed anywhere on a Windows mapped drive.
The real important thing is the CONTENTS of this file.

It must have the contents (be an exact copy) of the first sector loaded by the *nix system. It is also called - first stage boot loader and is usually placed in the MBR when you install a *nix system - it does not matter what kind of loader used grub legacy or grub2 or other boot loader - first stage is always 512 bytes in size and last two bytes are always 55AA(hex).
My System SpecsSystem Spec
20 Jun 2011   #15
roelof

Win 7 Premium home
 
 

Hello,

The mbr file is 512 bytes and ends with 55 AA.
So that can't be the problem.

I can't check if it's a exact copy because I can't boot into pc-bsd.

Roelof
My System SpecsSystem Spec
20 Jun 2011   #16
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

Quote   Quote: Originally Posted by roelof View Post
Hello Arc,

On that menu the second disk don't show up.
I can only choose floppy., first hard disk, dvd and network startup.
Roelof
Please dont take me otherwise, but IMO, you should check it for another time that the sata and power cables are properly connected to the second drive .

And, Can you post a full screen snip of your disk management window , just to make it sure that it is deleted by the bios ? here's mine .....
multi boot linux problem-capture.jpg

EDIT : and a photograph of boot menu .... all the windows and ubuntu drives are listed
multi boot linux problem-20062011122.jpg

EDIT again .... if you try to update GRUB, both the OSs will be included in GRUB . But adding linux entry in MBR is a rare situation , as I seen .


My System SpecsSystem Spec
20 Jun 2011   #17
roelof

Win 7 Premium home
 
 

Oke,

Here a screenshot of the disk management.


Attached Thumbnails
multi boot linux problem-schijfbeheer.png  
My System SpecsSystem Spec
20 Jun 2011   #18
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

As the second disk is detected by the disk management, it should be listed in the boot menu , whether or not it contains a bootable media . As for my case, the disk1 have nothing bootable there, and it is listed in the boot menu .

This is the only situation that makes me confused . I can guess that we may get some more help in this issue .
My System SpecsSystem Spec
20 Jun 2011   #19
roelof

Win 7 Premium home
 
 

Hello,

I looked in the BIOS and at some place I can see all the drives.
There I have to choose which drive is the first drive and which one is the second drive.
The drive which is choosen first drive appears in the boot menu.

So maybe it's a bios limitation because my computer seems to be about 10 years old.

Roelof
My System SpecsSystem Spec
20 Jun 2011   #20
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

Quote   Quote: Originally Posted by roelof View Post
Hello,

I looked in the BIOS and at some place I can see all the drives.
There I have to choose which drive is the first drive and which one is the second drive.
The drive which is choosen first drive appears in the boot menu.

So maybe it's a bios limitation because my computer seems to be about 10 years old.

Roelof
Maybe... I am not sure . I dont have such a long experience of serious computing
But found some tutorials and discussions in neosmart .... about adding linux to MBR .
Ubuntu - EasyBCD - NeoSmart Technologies Wiki
Ubuntu_Win7 Dual Boot Adding Ubuntu to MBR - The NeoSmart Forums
My System SpecsSystem Spec
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 multi boot linux problem




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