Thread: Dual boot problem Ubuntu 11.04 - Windows 7

hey mates! i've got hp g-61 laptop windows 7 home edition. today needed install ubuntu 11.04.

created bootable pen, installed , alright then.

when rebooted, message showed on display:

windows failed start. recent hardware or software change might cause. fix problem:

1. insert windows installation disc , restart computer.

2. choose language settings, , click "next."

3. click "repair computer."

if not have disc, contact system administrator or computer manufacturer assistance.
status: 0xc000000f
info: boot selection failed because required device inaccessible.

by then, got hp recovery disc , made fixmbr thing on windows command prompt. windows got working then... boot loader had gone.

ran bootable pen, used live version of ubuntu , executed boot repair. now, ubuntu working , have grub's bootloader, i'm getting error when trying inicialize windows.

may have suggestions?

thanks!

get windows booting. once working corrrectly, reinstall grub2 mbr. identifying ubuntu partition. thread, assume sda5. change necessary. if don't know partition linux partition, run "sudo fdisk -l" (lowercase l).


boot livecd/usb, mount ubuntu partition:

code:

sudo mount /dev/sda5 /mnt sudo grub-install --root-directory=/mnt /dev/sda

do not include partition number in second command.

reboot. if windows wasn't option in grub menu, after rebooting ubuntu (without cd), run:

code:

sudo update-grub

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