Debian Installation :: Unable To Boot Windows

Oct 27, 2015

got a lenovo B50-30 (no touchscreen) that came preeinstalled with windows 8. after installing debian im unable to boot windows , im not too great with grub configuration.this is what i suspect is the menu entry for windows in the grub boot menu .

Code: Select all### BEGIN /etc/grub.d/30_otheros ###
# This entry automatically added by the Debian installer for a non-linux OS
# on /dev/sda3
menuentry "Windows Vista (loader)" {
   set root=(hostdisk//dev/sda,gpt3)
   search --no-floppy --fs-uuid --set=root 8CA2-D25B
   chainloader +1
}

here is info about the partition table (ive alocated / and swap part for debian nothing else. )

Code: Select allDisk /dev/sda: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes

[code]....

i would like to know how to configure windows to boot from the grub2 menu.

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Ubuntu Installation :: Unable To Boot On Dual-boot XP After Recovering Windows Bootloader?

Jul 18, 2010

I have Ubuntu 10.04 LTS and Windows XP installed on my laptop. Usually when booting, I get the GRUB 2 menu and I can boot into either Ubuntu or XP.I was playing around with EasyBCD, then after trying to remove it I was unable to boot into Windows, I used a Windows 2000 CD recovery console to fix the MBR (using: fixboot and fixmbr).Now Windows starts up when I power on, but I don't get the grub menu anymore with an Ubuntu option. If I boot from the Ubuntu Live CD and try to mount my Ubuntu partition (/dev/sda5) I get this error:

mount: wrong fs type, bad option, bad superblock on /dev/sda5,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try

[code]....

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Jan 28, 2010

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0x0000007B (0x80399BB0, 0xC0000034, 0x00000000, 0x00000000)

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[Code]....

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[code]....

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I've attached the output for:

Code:

Problem symptoms:

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Boot Info Script 0.55 dated February 15th, 2010

Boot Info Summary: => Grub 2 is installed in the MBR of /dev/sda and looks on the same drive in
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sda1:
File system: vfat
Boot sector type: Fat16
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[Code]....

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Nov 20, 2015

I installed Debian 5 hours ago, and I am fighting with it since then. I'll pass on the tons of issues I am encountering (wrong desktop environment (I asked for debian's, I got Gnome), shitload of various errors when doing basic things, resolution of a minitel).

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Here is the boot-info generated with Boot-Repair-Disk [URL] .....

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Dec 15, 2015

I'll start off with stating my problem and summarize how I got to it.

I installed Windows 10 on an SSD. I installed Debian 8.2 after it. The SSD was/is a GPT disk. I installed both installations from a UEFI booted device (DVD for Windows, and USB drive with Live CD for Debian).

I tested it after each installation making sure I could boot via UEFI into Windows, then Debian, then Windows, to make sure nothing broke.

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My situation is actually a bit more complicated than that, but I think that will suffice for now. I can still boot into the Live CD on the USB drive, just in Legacy mode only. I mounted the EFI partition on /mnt/boot after I mounted the file system for Debian on /mnt. It is identical, as far as I can tell, to as it was before when it was working.

My motherboard has CSM and Secure Boot, both have been set up how they need to be to boot UEFI into Debian. Tinkering with them further after things broke did not fix it. I tried all variations of options/settings.

The GRUB Reinstall guide says to be in EFI mode before starting it, so I can't do that.

My motherboard is an ASUS X99 Deluxe, and I've heard ASUS has special "features" (read: bugs) that come with their boards. Searching hasn't brought up any other people with this issue. I believe the firmware is updated to it's most current one.

I've tried dd-ing my backup of my old system, from before trying to migrate to a Dual Boot system, to the SSD (after backing up the dual boot setup with dd -> <name>.img via the Live CD USB). However, that won't boot either as it is a UEFI install as well.

The layout of my EFI partition is as such:
/boot/EFI/Boot/bootx64.efi
/boot/EFI/Microsoft/<Microsoft-naming>.efi
/boot/EFI/debian/grubx64.efi

I've heard that the standards on how that's supposed to be set up isn't a standard. However, since it worked booting into the OS' the first time, I don't see how that could be the issue (a bad hierarchy layout leading to the UEFI not being able to see the OS installs).

I've seen that I can boot to an EFI shell (called Shell.efi, apparently) via an option in my UEFI BIOS setup menu on my motherboard. Is that an option here to somehow bypass this strange issue?

All I can think to try is burn it all and start over. But not knowing what caused it means I could just make it happen again. Plus, I can't boot into UEFI install media, so I can't install UEFI boot OS'. :/

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I'll paste my /boot/grub/menu.lst below. All of the drive options look correct. I properly shutdown Windows 7 before installing lenny. I'm sure I can reinstall the mbr and get my windows back, but I would like to dual boot with grub.

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Dec 13, 2010

I've recently bought a new computer and installed Windows 7 on it, but left 100GB of space on a separate partition so I could put Debian next to it in dual boot. I have the new Intel i7 950 processor and I run Windows 7 Proffesional 64 bit, so I assumed I had to pick the ia64 debian image. However the CD I burned from the ia64 image didn't boot. (a black screen started and an underscore kept flashing, but nothing else happened)[URL]

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Aug 30, 2014

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Debian Installation :: Cannot Boot Into Windows XP After Dual Jessie Install

Sep 4, 2015

I have a Dell laptop (inspiron 1150) which was dual booting Windows XP and Ubuntu 9.04. I have successfully installed Debian Jessie Standard over the Ubuntu. I pre-partitioned using gparted-live to make a separate single partition for the Debian install. Guided partitioning was then carried out by the installer producing separate /, /home, and swap partitions. After installation, the grub menu shows an entry for Debian and Windows XP. I can boot Debian, but not Windows XP. The symptoms are the same as reported in other forums: A terminal is displayed, vanishes and the system reboots defaulting to the Debian boot.

The grub.cfg file for the Jessie system has an other-os entry:

Code: Select allmenuentry "Microsoft Windows XP Home Edition (on /dev/sda2)" {
   set root=(hostdisk//dev/sda, msdos2)
   search --no-floppy --fs-uuid --set=root cc0ce0ab0ce091ae
   drivemap -s (hd0) ${root}
   chainloader +1
}

The original Windows entry for the Ubuntu install was:

Code: Select allmenuentry "Microsoft Windows XP Home Edition (on /dev/sda2)" {
   insmod ntfs
   set root=(hd0,2)
   search --no-floppy --fs-uuid --set cc0ce0ab0ce091ae
   drivemap -s (hd0) ${root}
   chainloader +1
}

The partitions produced by partman look OK (during the pre-partitioning I did not touch sda1, sda2, or sda3):

Code: Select all~ # fdisk -l
Disk /dev/sda: 37.3 GiB, 40007761920 bytes, 78140160 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes

[Code] .....

Partition table entries are not in disk order.

The os-prober found XP:

Code: Select all~ # os-prober
/dev/sda2:Microsoft Windows XP Home Edition:Windows:chain

So it seems that everything is in place, but there are perhaps important differences in the grub.cfg files. Are the two "set root" commands equivalent for example?

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Dec 28, 2015

I have Windows 10 and Deb 8 dual boot, and I need to re-install Windows but want to avoid (or at least plan for) losing Grub/Linux boot.

Last time I re-installed Windows after Linux I ended up having to re-install Linux again afterwards as well, because I couldn't recover it (seemingly due to complications from encryption). So this time I'm wanting to plan and avoid that.

CURRENT DISK PARTITIONS:

Code: Select allsda1  |  550M   |  EFI System
sda2  |  128M   |  Microsoft reserved
sda3  |  175.8G |  Microsoft basic data
sda4  |  286M   |  Linux filesystem (Boot)
sda5  |  28.2G  |  Linux filesystem (Root)
sda6  |  91.3G  |  Linux filesystem (Home)
sda7  |  1.9G   |  Linux swap

[Code] ....

As there is a "Microsoft Reserved" partition and a separate Microsoft directory within the EFI partition, if I just go ahead and reinstall Windows will it install it's boot loader/image to one of it's own partitions? And NOT affect anything else like Grub and other Linux things?

Logic tells me yes, but there seems to be many issues on the internet about installing Windows after Linux.

My primary concern is whatever happens with Windows or anything to do with dual loading etc, is that Linux will still just boot, or I can get it working again without much hassle.

Why is there a reserved Microsoft partition AND a Microsoft directory in the EFI partition? Which one boots Windows?

Why is there a separate Linux Boot partition AND a Linux directory in the EFI partition? Which one boots Linux? Where is Grub invoked from, is one redundant, etc?

How these work. It is possible I've set them up wrong, or with redundant partitions, but both systems have been booting ok for months.

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Installed as I normally would using, however this time using a seperate drive (one for the existing Windows 10 install and the other for Debian), Debian install detects that windows has an EFI partition and sticks an entry in there, which is fair enough, and everything working fine. Then I spent some time configuring all my software and set it all up just the way I like it. I've rebooted Debian a few times to check it's working correctly and it is.

The issue arrives when I reboot and load into Windows 10. It boots fine.

However after a further reboot GRUB no longer loads... and the machine just boots directly into Windows 10.

After doing some further digging into my EFI partition (and reinstalling various times) it would appear that after a reboot Windows 10 deletes the entry GRUB creates in my EFI partition after EVERY reboot.

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I've found this article on the Ubuntu forums : [URL] .... however I've tried their steps and windows is still doing a hostile takeover of my EFI partion after a reboot!

Any way to stop Windows 10 from interfering with my EFI files after a reboot? (without doing the obvious thing and kill Windows off).

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Feb 1, 2011

I have used dual boot systems using various versions of windows and Debian for many years and have encountered no problems. However, I have a problem with installing Debian on a EeePC (ASUS PC1201) which uses Winows 7. I can not even get started because I can not understand the information that I have on my hard drive partitions. Windows 7 says that I have the following :

Local Disk(C:) 78.1 GB free of 99.9GB
Local Disk(D:) 49.8 GB free of 83.8.GB
NewVolume(G:) 948 KB of 0.99 GB
Local Disk(F:) 37.9 GB free of 38..0 GB
(Originally the ASUS only had two partitions C: and D: I used Gparted to genetate F: and G:)
gparted-live-0.7.1.5 says that I have the following :-
/dev/sda1 ntfs 992.5 KB
/devf/sda2 ntfs 100.00 GB with 66.09GB unused
/dev/sda3 ntfs 132.88GB with 129.88 GB unused
unallocated 1.00 GB

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Mar 23, 2011

I had a dual boot system with 3 partitions, Windows 7 on one partition, and Windows XP on another partition and a Data partition. I decided to load Ubuntu 10.10 on the Windows XP partition.During installation I selection manual partition, and deleted Windows XP.after successful completion of Ubuntu installation "Grub" directly boots into Ubuntu, it doesn't show me the OS selection screen. After following some forum posts I did an update grub

Code:

Generating grub.cfg ...
Found linux image: /boot/vmlinuz-2.6.35-22-generic
Found initrd image: /boot/initrd.img-2.6.35-22-generic

[code]....

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