Ubuntu 16.04 Dual boot windows 7 Lenovo E560

[anderskitson2]

Hi,

I have installed Ubuntu 16.04 via a usb flash drive and it seems to have had a successful installation.
However It only boots into Windows and there is no Grub menu to choose OS's.
I ran Boot Repair and got this output

http://www.paste2.org/8BtwvLHz

Here is the first portion which can be viewed in full in the link



Boot Info Script cfd9efe + Boot-Repair extra info [Boot-Info 26Apr2016]


============================= Boot Info Summary: ===============================

=> Grub2 (v2.00) is installed in the MBR of /dev/sda and looks at sector
221345792 of the same hard drive for core.img. core.img is at this
location and looks for (,gpt7)/boot/grub. It also embeds following
components:

modules
---------------------------------------------------------------------------
fshelp ext2 part_gpt biosdisk
---------------------------------------------------------------------------
=> Syslinux MBR (5.00 and higher) is installed in the MBR of /dev/sdb.

sda1: __________________________________________________ ________________________

File system: vfat
Boot sector type: Windows 8/2012: FAT32
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files: /EFI/Boot/bootwinre.efi /EFI/Boot/bootx64.efi
/EFI/Boot/lenovobt.efi
/EFI/Microsoft/Boot/bootmgfw.efi
/EFI/Microsoft/Boot/bootmgr.efi
/EFI/Microsoft/Boot/memtest.efi

sda2: __________________________________________________ ________________________

File system:
Boot sector type: -
Boot sector info:
Mounting failed: mount: unknown filesystem type ''

sda3: __________________________________________________ ________________________

File system: ntfs
Boot sector type: Windows 8/2012: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files: /bootmgr /Boot/BCD /Windows/System32/winload.exe

sda4: __________________________________________________ ________________________

File system: BIOS Boot partition
Boot sector type: Grub2's core.img
Boot sector info:

sda5: __________________________________________________ ________________________

File system: ntfs
Boot sector type: Windows 7/2008: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:

sda6: __________________________________________________ ________________________

File system: ntfs
Boot sector type: Windows 8/2012: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:

sda7: __________________________________________________ ________________________

File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 16.04.1 LTS
Boot files: /boot/grub/grub.cfg /etc/fstab
/boot/grub/i386-pc/core.img

sda8: __________________________________________________ ________________________

File system: swap
Boot sector type: -
Boot sector info:

sdb1: __________________________________________________ ________________________

File system: vfat
Boot sector type: SYSLINUX 6.03
Boot sector info: Syslinux looks at sector 32800 of /dev/sdb1 for its
second stage. The integrity check of Syslinux failed.
No errors found in the Boot Parameter Block.
Operating System:
Boot files: /boot/grub/grub.cfg /syslinux.cfg /casper/vmlinuz.efi
/EFI/BOOT/grubx64.efi /ldlinux.sys

[QIII]

Hello!

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Thanks.

[oldfred]

You have UEFI hardware and Windows installed in UEFI boot mode.
But you installed Ubuntu in the 35 year old BIOS boot mode, now emulation using CSM.
CSM - UEFI Compatibility Support Module (CSM), which emulates a BIOS mode

You also booted live installer in BIOS boot mode to run Boot-Repair.
Best to always boot in UEFI mode since system is UEFI.
And how you boot is then how systems install, both Windows & Ubuntu.

Boot-Repair can convert your BIOS install to UEFI, in advanced mode if booted in UEFI mode.
It uninstalls grub-pc and installs grub-efi-amd64.

But some systems do not like to boot anything but Windows in UEFI mode and then need work arounds. Often copying some boot files.
https://linux.slashdot.org/story/16/09/21/1838252/lenovo-denies-claims-it-plotted-with-microsoft-to-block-linux-installs#comments
Lenovo Linux support - many obsolete versions of Linux
https://support.lenovo.com/us/en/documents/pd031426
Warning: Microsoft Signature PC program now requires that you can't run Linux. Lenovo Yoga 900 ISK2 UltraBook Sept 2016
https://ubuntuforums.org/showthread.php?t=2337719

(https://ubuntuforums.org/showthread.php?t=2337719)T540 works but UEFI settings critical or it may brick
https://docs.google.com/document/d/1hFTArhNbmpmEBRkwRg0DMbEzLBCl43F1HXoXtJ8cm0k/edit?pli=1
Lenovo Thinkpad E531 - turn off locked boot order setting in UEFI
http://ubuntuforums.org/showthread.php?t=2255746
[SOLVED] Error 1962: No operating system found. Lenovo K430 only boot Ubuntu, rename files
http://ubuntuforums.org/showthread.php?t=2243715
(https://ubuntuforums.org/showthread.php?t=2337719)

[anderskitson2]

Ok, sounds like a lot, but it's worth it to get Linux running on this laptop.
How would I boot the live usb into UEFI mode? Do I need to change something in the BIOS?
I think I checked the BIOS and UEFI was the default boot mode.

[Dennis N]

How would I boot the live usb into UEFI mode? Do I need to change something in the BIOS?
No, you need the one-time boot menu to come up when booting by pressing the special key during start up. Your installler USB should show two entries, one with UEFI in the description - for example, mine will show (UEFI) Kingston Data Traveler, and Kingston Data Traveler. Use the first one.