Restore Ubuntu boot menu under dual system

Introduction

When using dual systems, we often reload the windows! So is there a way: just reload windows without reloading Ubuntu?

This problem is well solved when using the win Xp/ubuntu dual system! But when using Win7 (including vista) above the system, it is more difficult!

Because Microsoft changed the OS boot mechanism! For details, see BOOTMGR and Bcdedit (Baidu Encyclopedia)

Use tool: EASYBCD

First, set Win7 to boot Ubuntu 1. Add Win7 boot entry

2. Set the OS parameters to boot

Initiator type and the disk on which it resides

Choose Grub 2

Select Ubuntu System Partition

(1) Increase the boot entry; (2) View settings

3. Restart the PC and enter the boot entry.

Setup complete (first boot: Win7; second boot: Ubuntu)

Reboot and go to "NeoSmart Linux".

Second, set Ubuntu boot Win7 1. Installing GRUB to hard disk [Plain]View Plaincopy

1. sudo grub-install/dev/sda

Note: Ubuntu partition in the first hard disk is SDA, the second block for SDB ... In turn.

2. Update the GRUB boot menu

[Plain]View Plaincopy

1. sudo update-grub

Reference article: 1. Grub2/installing (Reinstalling Grub 2-reinstalling Grub 2 from a working System)

Restore Ubuntu boot menu under dual system