Alex

Asked: 2014-04-21 07:15:46 +0800 CST2014-04-21 07:15:46 +0800 CST 2014-04-21 07:15:46 +0800 CST

ubuntu dual boot does not boot windows anymore

772

Problem: i can't boot both Ubuntu and Windows.

Description:

I just installed Ubuntu 14.04 LTS 64bit and Windows 7 64bit on my Lenovo Y500 with UEFI Legacy Support mode enabled and did update-grub (GNU GRUB 0.97).
on sda there is installed grub and Windows MBR.
on sdb reside the installations of Windows 7 and Ubuntu
i tried boot-repair restore MBR: restores windows boot but i can't boot to grub.
i tried boot-repair recommended: can't boot windows 7 from grub menu entry for windows 7. It just shows a black screen without any movement directly afterchoosing the entry. The fan starts to run high. can only boot Ubuntu from grub.

Question: How can i make Grub2 boot windows properly?

This setup worked once with Ubuntu 13.04.

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