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| Ijack wrote : BTW, I presume that to install Ubuntu you had to resize the Windows partition and create a Ubuntu one. Did you create this before or after the Windows partition? |
Based on the link he provided and the description of his bootloader screen, he must be using Wubi. Now I don't think his MBR is a problem else he wouldn't be seeing this screen at all (since it is generated from the BCD on the C: partition and not the MBR). It is possible that his BCD has become corrupted but I'm not sure what must have gone wrong to cause that.
waznboi03, follow these instructions or some other tutorial to get Windows 7 on a USB flash drive: http://maketecheasier.com/boot-and [...] 2009/01/23
Rather than downloading an ISO, on another PC you can simply copy the contents of your CD/DVD onto the flash drive. just make sure you have a big enough one. 
Once you're booted up from the USB flash drive (you may need to alter your boot order), try running the startup recovery. If it finds a problem and fixes it you should be good to go for booting into Windows (but not Ubuntu as it will be erased from the list most likely). If it doesn't work, find your way to the command prompt option and then run the following commands:
bootrec.exe /fixmbr
del C:\boot\bcd
bootrec.exe /rebuildbcd
This should almost certainly get your bootloader configuration working again.
Now if after all this you still want to try out Ubuntu, do it the way that is least likely to cause problems. First delete the Ubuntu stuff that was installed on your system before as it's only going to waste space now. The Windows installer (Wubi) is great if it works but is too prone to issues. Fortunately, it makes no changes to the partition layout of your system it has a low chance of permanent damage. For the method I'm going to run through next I recommend backing up any important data as you will be making partition changes. The chances of problems are very, very small but if they do happen it can be a bit of a disaster. This is true regardless of the OS you are running. Playing around with partitions containing data has inherent risks and we just need to make sure you're aware of them. Most importantly, don't let the power go out while the partition layout is being altered. 
Note that what the following will do is erase your MBR and replace it with a bootloader called GRUB (GRand Unified Bootloader). This will not prevent you booting any installed Windows OSs because GRUB will add an option to chainload the Windows bootloader as well. Windows actually keeps the bootloader (or BCD, rather) on C: because it can't all fit in the MBR. The MBR normally just contains information pointing to the BCD and we are simply replacing that pointer. If, at a later stage, you wish to remove Ubuntu and GRUB, you'll need to run the stuff above to restore the MBR as before. Windows should be able to do it without you dropping to the command prompt though because the BCD is still intact.
Ok, moving on... Download a Live CD from here: http://www.ubuntu.com/desktop/get-ubuntu/download and then grab the Windows version of UNetbootin from here: http://unetbootin.sourceforge.net/
You can format your flash drive again if you wish just through Windows Explorer (right click the drive) as FAT32 rather than NTFS. It's your choice. I think NTFS will work ok but FAT32 will certainly work.
Once you've got both the Live CD ISO and UNetbootin, run UNetbootin and select use the file browser to find the ISO. Make sure that the USB flash drive it plans to install to is the correct one. Once it's done, reboot and you should be able to install straight from the flash drive. You will be presented with the Live CD environment initially and I strongly recommend that you use this for a while before installing to make sure that your system works fine. As you're running it off a flash drive you won't have the horribly slow experience of a real Live CD which is nice. If you're happy, go ahead and run the installer on the desktop. Note that it is completely different to the Wubi installer and presents you with more options. Most are pretty straight-forward.
When it comes to the partitioning stage, select whatever option you feel comfortable with, but don't select erase the whole drive obviously You should get a screen that looks like this:
The first option, install side-by-side, will shrink your C: (I am pretty sure it doesn't touch the other partitions but I haven't picked this option for ages so maybe you can select the partition to change) and install Ubuntu in the free space created. I believe it lets you pick how much space to free up. This is the easiest option, however if the installer does not detect Windows then stop now and let us know first. It usually works fine but I've seen one or two cases in the past where Windows was not being picked up. Avoid option 2 like the plague unless you only want Ubuntu on the drive selected in the dropdown as it will erase all existing partitions. You could also try option 3 but let us know if you want to do this because partitioning and mounting works differently with Linux than Windows.
EDIT: Oh my, this seemed less like a wall of text while I was typing it.
Message edited by randoMIZER on 08-19-2010 at 04:52:51 AM
Hi there I have a similiar problem.
Edit: Have re-read the post above and I will try that reinstalling 11.10 from a flash drive and see if that cure my ills ... ( I know the old windows is still there and judging by the ubuntu diagnostics the MBR seems to fine) .. I let you know the results !!
Edit 2: Okay guys solved and only one wee minor problem which is irritating and nothing more (I can't let it go 
)
Not sure all of these steps were necessary and a lot of the difficulty was a poor WIN7 install image.
In the end I created a brand new 'bootable usb' with WIN7 Ultimate.
Fresh Install
Reformatted and partitioned the disk
Install went okay ( except for would not boot until 2nd attempt every time)
Tried /fixmbr and then cleaned it out and installed a fresh WIN7 MBR
However despite everything WIN7 will only load cleanly first attempt if F9 is pressed when it boot up .. otherwise it just beeps with a blank screen - you need to power off and select "start windows normally" on their "windows shut down unexpectedly" screen.
Not sure if this is just an option somewhere ?
Ubuntu 11.04 (edit: upgrading to 11.10 in process) I can boot into perfectly.
I am trying to reinstall WIN7 in order to dual boot as I want to use the Bluetooth for backing up my Blackberry and only on this machine (Acer Aspire One D250)
During the initial Ubuntu install (many moons ago) I decided I no longer needed WIN7 so I may have used it's partition when sizing the disk ... 90% sure but memory is lousy and the install is a distant faded and jaded .. (reasons notes should be kept)
However the problem is that the USB flash drive containing the WIN7 installs works to a point then states it cannot find device drivers. Any fixes for this fail because the flash drive mounts to the c:\ (I am assuming this from browsing the file dir from the load drivers dialogue box )
Anyway I have run the drive info script from sudo and this is the result .. (if anyone can help restore the windows boot option)
Boot Info Script 0.60 from 17 May 2011
============================= Boot Info Summary: ===============================
=> Grub2 (v1.99) is installed in the MBR of /dev/sda and looks at sector 1 of
the same hard drive for core.img. core.img is at this location and looks
for (,msdos1)/boot/grub on this drive.
=> Windows is installed in the MBR of /dev/sdb.
sda1: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 11.04
Boot files: /boot/grub/grub.cfg /etc/fstab /boot/grub/core.img
sda2: __________________________________________________________________________
File system: Extended Partition
Boot sector type: -
Boot sector info:
sda5: __________________________________________________________________________
File system: swap
Boot sector type: -
Boot sector info:
sdb1: __________________________________________________________________________
File system: vfat
Boot sector type: Windows XP: FAT32
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files: /bootmgr /boot/bcd
============================ Drive/Partition Info: =============================
Drive: sda _____________________________________________________________________
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders, total 312581808 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sda1 * 2,048 310,503,423 310,501,376 83 Linux
/dev/sda2 310,505,470 312,580,095 2,074,626 5 Extended
/dev/sda5 310,505,472 312,580,095 2,074,624 82 Linux swap / Solaris
Drive: sdb _____________________________________________________________________
Disk /dev/sdb: 8004 MB, 8004304896 bytes
255 heads, 63 sectors/track, 973 cylinders, total 15633408 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sdb1 * 63 15,633,407 15,633,345 c W95 FAT32 (LBA)
"blkid" output: ________________________________________________________________
Device UUID TYPE LABEL
/dev/sda1 94108733-fa78-47f3-b04d-31fb682e442e ext4
/dev/sda5 4c57bb9e-d799-4c06-a5ad-c1ddbcbb46d3 swap
/dev/sdb1 6B1C-F558 vfat
================================ Mount points: =================================
Device Mount_Point Type Options
/dev/sda1 / ext4 (rw,errors=remount-ro,commit=0)
/dev/sdb1 /media/6B1C-F558 vfat (rw,nosuid,nodev,uhelper=udisks,uid=1000,gid=1000,shortname=mixed,dmask=0077,utf8=1,showexec,flush)
=========================== sda1/boot/grub/grub.cfg: ===========================
--------------------------------------------------------------------------------
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
set have_grubenv=true
load_env
fi
set default="0"
if [ "${prev_saved_entry}" ]; then
set saved_entry="${prev_saved_entry}"
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi
function savedefault {
if [ -z "${boot_once}" ]; then
saved_entry="${chosen}"
save_env saved_entry
fi
}
function recordfail {
set recordfail=1
if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; fi
}
function load_video {
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
}
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root 94108733-fa78-47f3-b04d-31fb682e442e
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=auto
load_video
insmod gfxterm
fi
terminal_output gfxterm
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root 94108733-fa78-47f3-b04d-31fb682e442e
set locale_dir=($root)/boot/grub/locale
set lang=en_IN
insmod gettext
if [ "${recordfail}" = 1 ]; then
set timeout=-1
else
set timeout=10
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
if background_color 44,0,30; then
clear
fi
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
if [ ${recordfail} != 1 ]; then
if [ -e ${prefix}/gfxblacklist.txt ]; then
if hwmatch ${prefix}/gfxblacklist.txt 3; then
if [ ${match} = 0 ]; then
set linux_gfx_mode=keep
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=text
fi
else
set linux_gfx_mode=keep
fi
else
set linux_gfx_mode=text
fi
export linux_gfx_mode
if [ "$linux_gfx_mode" != "text" ]; then load_video; fi
menuentry 'Ubuntu, with Linux 2.6.38-11-generic' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
set gfxpayload=$linux_gfx_mode
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root 94108733-fa78-47f3-b04d-31fb682e442e
linux /boot/vmlinuz-2.6.38-11-generic root=UUID=94108733-fa78-47f3-b04d-31fb682e442e ro quiet splash vt.handoff=7
initrd /boot/initrd.img-2.6.38-11-generic
}
menuentry 'Ubuntu, with Linux 2.6.38-11-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
set gfxpayload=$linux_gfx_mode
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root 94108733-fa78-47f3-b04d-31fb682e442e
echo 'Loading Linux 2.6.38-11-generic ...'
linux /boot/vmlinuz-2.6.38-11-generic root=UUID=94108733-fa78-47f3-b04d-31fb682e442e ro single
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.38-11-generic
}
submenu "Previous Linux versions" {
menuentry 'Ubuntu, with Linux 2.6.38-8-generic' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
set gfxpayload=$linux_gfx_mode
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root 94108733-fa78-47f3-b04d-31fb682e442e
linux /boot/vmlinuz-2.6.38-8-generic root=UUID=94108733-fa78-47f3-b04d-31fb682e442e ro quiet splash vt.handoff=7
initrd /boot/initrd.img-2.6.38-8-generic
}
menuentry 'Ubuntu, with Linux 2.6.38-8-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
recordfail
set gfxpayload=$linux_gfx_mode
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root 94108733-fa78-47f3-b04d-31fb682e442e
echo 'Loading Linux 2.6.38-8-generic ...'
linux /boot/vmlinuz-2.6.38-8-generic root=UUID=94108733-fa78-47f3-b04d-31fb682e442e ro single
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.38-8-generic
}
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root 94108733-fa78-47f3-b04d-31fb682e442e
linux16 /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
insmod part_msdos
insmod ext2
set root='(/dev/sda,msdos1)'
search --no-floppy --fs-uuid --set=root 94108733-fa78-47f3-b04d-31fb682e442e
linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
if [ "x${timeout}" != "x-1" ]; then
if keystatus; then
if keystatus --shift; then
set timeout=-1
else
set timeout=0
fi
else
if sleep --interruptible 3 ; then
set timeout=0
fi
fi
fi
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
--------------------------------------------------------------------------------
=============================== sda1/etc/fstab: ================================
--------------------------------------------------------------------------------
# /etc/fstab: static file system information.
#
# Use 'blkid -o value -s UUID' to print the universally unique identifier
# for a device; this may be used with UUID= as a more robust way to name
# devices that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
proc /proc proc nodev,noexec,nosuid 0 0
# / was on /dev/sdb1 during installation
UUID=94108733-fa78-47f3-b04d-31fb682e442e / ext4 errors=remount-ro 0 1
# swap was on /dev/sdb5 during installation
UUID=4c57bb9e-d799-4c06-a5ad-c1ddbcbb46d3 none swap sw 0 0
--------------------------------------------------------------------------------
=================== sda1: Location of files loaded by Grub: ====================
GiB - GB File Fragment(s)
100.152034760 = 107.537428480 boot/grub/core.img 1
100.174812317 = 107.561885696 boot/grub/grub.cfg 1
72.268032074 = 77.597208576 boot/initrd.img-2.6.38-11-generic 2
104.255100250 = 111.943061504 boot/initrd.img-2.6.38-8-generic 2
50.177066803 = 53.877215232 boot/vmlinuz-2.6.38-11-generic 1
100.150306702 = 107.535572992 boot/vmlinuz-2.6.38-8-generic 1
72.268032074 = 77.597208576 initrd.img 2
104.255100250 = 111.943061504 initrd.img.old 2
50.177066803 = 53.877215232 vmlinuz 1
100.150306702 = 107.535572992 vmlinuz.old 1
=============================== StdErr Messages: ===============================
unlzma: Decoder error
Can anyone help me reinstall windows using usb flash preferably since I have no cd drive 
Message edited by Dhenny on 03-02-2012 at 03:47:57 PM
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