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GRUB menu not showing up on boot after replacing battery

Windows 8 partition does not bootUbuntu 15.10/14.04 didn't dual boot w/Win 10 on Acer AspireGrub 2 multiple boot options - what do they do?UEFI boot option disappeared for Ubuntu installed on secondary driveWhy does dual boot not work?How do I force BIOS to boot to shimx64.efi file when you turn OFF the computer? No dual boot needed

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2

1

I have an Asus F555L model with dual boot (Ubuntu 18.04 LTS and Windows 10).

On starting my computer, I always get the option to choose between OS from the GRUB loader. However, my battery was swelling, and hence I removed it and replaced it with a new one.

Since I have done this, my computer directly goes into Windows. I do not get the option of choosing from the GRUB loader at all.

Disabling Fast Boot from BIOS hasnt helped. I have also tried pressing, Shift, Space and ESC on start but none of them helped.

I also tried putting the old battery back and it doesnt show up on that either.

What other options do I have to get my Ubuntu OS back with all my files and programs?

---

Boot screen from BIOS:

---

Output of efibootmgr -v

ubuntu@ubuntu:~$ efibootmgr -v

BootCurrent: 0002

Timeout: 1 seconds

BootOrder: 0002,0000,0001

Boot0000* Windows Boot Manager  HD(1,GPT,75833fa7-0273-4038-ac92-599cc968ad03,0x800,0x32000)/File(EFIUBUNTUGRUBX64.EFI)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}...I................

Boot0001* Windows Boot Manager  HD(1,GPT,75833fa7-0273-4038-ac92-599cc968ad03,0x800,0x32000)/File(EFIMICROSOFTBOOTBOOTMGFW.EFI)..BO

Boot0002* UEFI: SanDisk Cruzer Blade 1.27   PciRoot(0x0)/Pci(0x14,0x0)/USB(1,0)/HD(1,MBR,0x17b611,0x800,0x1dd1000)..BO

dual-boot 18.04 grub2 windows battery

share|improve this question

edited 11 hours ago

trollster

asked 11 hours ago

trollstertrollster

11311 silver badge55 bronze badges

New contributor

trollster is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I guess your BIOS was resetted to it's default configuration. What options do you have in the Boot menu?
  
  – guillermo chamorro
  11 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Boot Option 1 (Windows), Boot Option 2 (Windows).
  
  – trollster
  11 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  When restarting your PC, go to the BIOS menu and check the Boot order. If you still have Ubuntu, make it the first. Once it boots to Ubuntu, you can reinstall grub by running sudo apt install --reinstall grub-efi-amd64 for example
  
  – singrium
  11 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I do not see Ubuntu at all, unfortunately.
  
  – trollster
  11 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Do you have a switch Legacy to UEFI?
  
  – guillermo chamorro
  11 hours ago
  

  
  
  
  

 | 
show 9 more comments

2

1

I have an Asus F555L model with dual boot (Ubuntu 18.04 LTS and Windows 10).

On starting my computer, I always get the option to choose between OS from the GRUB loader. However, my battery was swelling, and hence I removed it and replaced it with a new one.

Since I have done this, my computer directly goes into Windows. I do not get the option of choosing from the GRUB loader at all.

Disabling Fast Boot from BIOS hasnt helped. I have also tried pressing, Shift, Space and ESC on start but none of them helped.

I also tried putting the old battery back and it doesnt show up on that either.

What other options do I have to get my Ubuntu OS back with all my files and programs?

---

Boot screen from BIOS:

---

Output of efibootmgr -v

ubuntu@ubuntu:~$ efibootmgr -v

BootCurrent: 0002

Timeout: 1 seconds

BootOrder: 0002,0000,0001

Boot0000* Windows Boot Manager  HD(1,GPT,75833fa7-0273-4038-ac92-599cc968ad03,0x800,0x32000)/File(EFIUBUNTUGRUBX64.EFI)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}...I................

Boot0001* Windows Boot Manager  HD(1,GPT,75833fa7-0273-4038-ac92-599cc968ad03,0x800,0x32000)/File(EFIMICROSOFTBOOTBOOTMGFW.EFI)..BO

Boot0002* UEFI: SanDisk Cruzer Blade 1.27   PciRoot(0x0)/Pci(0x14,0x0)/USB(1,0)/HD(1,MBR,0x17b611,0x800,0x1dd1000)..BO

dual-boot 18.04 grub2 windows battery

share|improve this question

edited 11 hours ago

trollster

asked 11 hours ago

trollstertrollster

11311 silver badge55 bronze badges

New contributor

trollster is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I guess your BIOS was resetted to it's default configuration. What options do you have in the Boot menu?
  
  – guillermo chamorro
  11 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Boot Option 1 (Windows), Boot Option 2 (Windows).
  
  – trollster
  11 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  When restarting your PC, go to the BIOS menu and check the Boot order. If you still have Ubuntu, make it the first. Once it boots to Ubuntu, you can reinstall grub by running sudo apt install --reinstall grub-efi-amd64 for example
  
  – singrium
  11 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I do not see Ubuntu at all, unfortunately.
  
  – trollster
  11 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Do you have a switch Legacy to UEFI?
  
  – guillermo chamorro
  11 hours ago
  

  
  
  
  

 | 
show 9 more comments

I have an Asus F555L model with dual boot (Ubuntu 18.04 LTS and Windows 10).

On starting my computer, I always get the option to choose between OS from the GRUB loader. However, my battery was swelling, and hence I removed it and replaced it with a new one.

Since I have done this, my computer directly goes into Windows. I do not get the option of choosing from the GRUB loader at all.

Disabling Fast Boot from BIOS hasnt helped. I have also tried pressing, Shift, Space and ESC on start but none of them helped.

I also tried putting the old battery back and it doesnt show up on that either.

What other options do I have to get my Ubuntu OS back with all my files and programs?

---

Boot screen from BIOS:

---

Output of efibootmgr -v

ubuntu@ubuntu:~$ efibootmgr -v

BootCurrent: 0002

Timeout: 1 seconds

BootOrder: 0002,0000,0001

Boot0000* Windows Boot Manager  HD(1,GPT,75833fa7-0273-4038-ac92-599cc968ad03,0x800,0x32000)/File(EFIUBUNTUGRUBX64.EFI)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}...I................

Boot0001* Windows Boot Manager  HD(1,GPT,75833fa7-0273-4038-ac92-599cc968ad03,0x800,0x32000)/File(EFIMICROSOFTBOOTBOOTMGFW.EFI)..BO

Boot0002* UEFI: SanDisk Cruzer Blade 1.27   PciRoot(0x0)/Pci(0x14,0x0)/USB(1,0)/HD(1,MBR,0x17b611,0x800,0x1dd1000)..BO

dual-boot 18.04 grub2 windows battery

share|improve this question

edited 11 hours ago

trollster

asked 11 hours ago

trollstertrollster

11311 silver badge55 bronze badges

New contributor

trollster is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

I have an Asus F555L model with dual boot (Ubuntu 18.04 LTS and Windows 10).

On starting my computer, I always get the option to choose between OS from the GRUB loader. However, my battery was swelling, and hence I removed it and replaced it with a new one.

Since I have done this, my computer directly goes into Windows. I do not get the option of choosing from the GRUB loader at all.

Disabling Fast Boot from BIOS hasnt helped. I have also tried pressing, Shift, Space and ESC on start but none of them helped.

I also tried putting the old battery back and it doesnt show up on that either.

What other options do I have to get my Ubuntu OS back with all my files and programs?

---

Boot screen from BIOS:

---

Output of efibootmgr -v

ubuntu@ubuntu:~$ efibootmgr -v

BootCurrent: 0002

Timeout: 1 seconds

BootOrder: 0002,0000,0001

Boot0000* Windows Boot Manager  HD(1,GPT,75833fa7-0273-4038-ac92-599cc968ad03,0x800,0x32000)/File(EFIUBUNTUGRUBX64.EFI)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}...I................

Boot0001* Windows Boot Manager  HD(1,GPT,75833fa7-0273-4038-ac92-599cc968ad03,0x800,0x32000)/File(EFIMICROSOFTBOOTBOOTMGFW.EFI)..BO

Boot0002* UEFI: SanDisk Cruzer Blade 1.27   PciRoot(0x0)/Pci(0x14,0x0)/USB(1,0)/HD(1,MBR,0x17b611,0x800,0x1dd1000)..BO

share|improve this question

edited 11 hours ago

trollster

asked 11 hours ago

trollstertrollster

11311 silver badge55 bronze badges

New contributor

trollster is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited 11 hours ago

trollster

asked 11 hours ago

trollstertrollster

11311 silver badge55 bronze badges

New contributor

trollster is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 11 hours ago

trollstertrollster

11311 silver badge55 bronze badges

New contributor

trollster is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 11 hours ago

trollstertrollster

11311 silver badge55 bronze badges

1 Answer
1

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3

The output of efibootmgr -v revealed that the boot-entry for Ubuntu is broken, so I recommended to make use of boot-repair which fixed the issue.

share|improve this answer

answered 10 hours ago

mook765mook765

5,99833 gold badges1515 silver badges3636 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks a ton! :)
  
  – trollster
  10 hours ago
  

  
  
  
  

add a comment | 

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3

The output of efibootmgr -v revealed that the boot-entry for Ubuntu is broken, so I recommended to make use of boot-repair which fixed the issue.

share|improve this answer

answered 10 hours ago

mook765mook765

5,99833 gold badges1515 silver badges3636 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks a ton! :)
  
  – trollster
  10 hours ago
  

  
  
  
  

add a comment | 

3

The output of efibootmgr -v revealed that the boot-entry for Ubuntu is broken, so I recommended to make use of boot-repair which fixed the issue.

share|improve this answer

answered 10 hours ago

mook765mook765

5,99833 gold badges1515 silver badges3636 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks a ton! :)
  
  – trollster
  10 hours ago
  

  
  
  
  

add a comment | 

The output of efibootmgr -v revealed that the boot-entry for Ubuntu is broken, so I recommended to make use of boot-repair which fixed the issue.

share|improve this answer

answered 10 hours ago

mook765mook765

5,99833 gold badges1515 silver badges3636 bronze badges

share|improve this answer

answered 10 hours ago

mook765mook765

5,99833 gold badges1515 silver badges3636 bronze badges

answered 10 hours ago

mook765mook765

5,99833 gold badges1515 silver badges3636 bronze badges

answered 10 hours ago

mook765mook765

5,99833 gold badges1515 silver badges3636 bronze badges