Problem Loading UEFI:db X.509 certificate (-65)Ubuntu 12.04 OEM install from USB - Need help to either change boot options or add to USB without losing OEM optioncannot install ubuntu 12.10 when I select boot deviceUbuntu 15.04 installation gets stuck at loading screenInstall ubuntu 15.04 in a win 8.1 preinstalled machine with uefiProblem installing ubuntu 15.10 alongside windows 8.1 on HP 15-ab035AXUbuntu installation shuts down at selection menuError in installing Ubuntu 16.04 on Dell Optiplex 745Ubuntu bootable drive- Couldn't get size: 0x800000000000000e ; MODSIGN: Couldn't get UEFI db listProblem Loading UEFI:db X.509 certificate (-65) and Unable to find a medium containing a live file system

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Problem Loading UEFI:db X.509 certificate (-65)


Ubuntu 12.04 OEM install from USB - Need help to either change boot options or add to USB without losing OEM optioncannot install ubuntu 12.10 when I select boot deviceUbuntu 15.04 installation gets stuck at loading screenInstall ubuntu 15.04 in a win 8.1 preinstalled machine with uefiProblem installing ubuntu 15.10 alongside windows 8.1 on HP 15-ab035AXUbuntu installation shuts down at selection menuError in installing Ubuntu 16.04 on Dell Optiplex 745Ubuntu bootable drive- Couldn't get size: 0x800000000000000e ; MODSIGN: Couldn't get UEFI db listProblem Loading UEFI:db X.509 certificate (-65) and Unable to find a medium containing a live file system






.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty
margin-bottom:0;









2

















file name: ubuntu-18.04.1-desktop-amd64.iso.
currently windows 8.1 installed on my laptop.
i am trying to install ubuntu from usb flash drive and created a bootable usb using rufus.
when i boot from usb it gave me four options.
try ubuntu, install ubuntu, oem install and check disk



when i select the option 1 (try ubuntu) or option 2 (install ubuntu)
then it gives me an error message saying
18.206119 Problem Loading UEFI:db X.509 certificate (-65)
Please help










share|improve this question























  • 1





    It is probable that it is related to secure boot. When you restart your PC, enter to BIOS options then disable secure boot and see if the error still exists.

    – singrium
    Sep 5 '18 at 10:04

















2

















file name: ubuntu-18.04.1-desktop-amd64.iso.
currently windows 8.1 installed on my laptop.
i am trying to install ubuntu from usb flash drive and created a bootable usb using rufus.
when i boot from usb it gave me four options.
try ubuntu, install ubuntu, oem install and check disk



when i select the option 1 (try ubuntu) or option 2 (install ubuntu)
then it gives me an error message saying
18.206119 Problem Loading UEFI:db X.509 certificate (-65)
Please help










share|improve this question























  • 1





    It is probable that it is related to secure boot. When you restart your PC, enter to BIOS options then disable secure boot and see if the error still exists.

    – singrium
    Sep 5 '18 at 10:04













2












2








2


1






file name: ubuntu-18.04.1-desktop-amd64.iso.
currently windows 8.1 installed on my laptop.
i am trying to install ubuntu from usb flash drive and created a bootable usb using rufus.
when i boot from usb it gave me four options.
try ubuntu, install ubuntu, oem install and check disk



when i select the option 1 (try ubuntu) or option 2 (install ubuntu)
then it gives me an error message saying
18.206119 Problem Loading UEFI:db X.509 certificate (-65)
Please help










share|improve this question
















file name: ubuntu-18.04.1-desktop-amd64.iso.
currently windows 8.1 installed on my laptop.
i am trying to install ubuntu from usb flash drive and created a bootable usb using rufus.
when i boot from usb it gave me four options.
try ubuntu, install ubuntu, oem install and check disk



when i select the option 1 (try ubuntu) or option 2 (install ubuntu)
then it gives me an error message saying
18.206119 Problem Loading UEFI:db X.509 certificate (-65)
Please help







boot dual-boot system-installation uefi






share|improve this question















share|improve this question













share|improve this question




share|improve this question



share|improve this question








edited Aug 26 '18 at 5:26







Sami Hilal

















asked Aug 26 '18 at 4:51









Sami HilalSami Hilal

111 silver badge5 bronze badges




111 silver badge5 bronze badges










  • 1





    It is probable that it is related to secure boot. When you restart your PC, enter to BIOS options then disable secure boot and see if the error still exists.

    – singrium
    Sep 5 '18 at 10:04












  • 1





    It is probable that it is related to secure boot. When you restart your PC, enter to BIOS options then disable secure boot and see if the error still exists.

    – singrium
    Sep 5 '18 at 10:04







1




1





It is probable that it is related to secure boot. When you restart your PC, enter to BIOS options then disable secure boot and see if the error still exists.

– singrium
Sep 5 '18 at 10:04





It is probable that it is related to secure boot. When you restart your PC, enter to BIOS options then disable secure boot and see if the error still exists.

– singrium
Sep 5 '18 at 10:04










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I've had the exact same error message while trying to install Lubuntu. I solved it by changing the BIOS boot setting to a setting that was not UEFI ; CSM in my case. My laptop is a Toshiba C855D-S5303. Am AMD Dual-core 300E. Although I still recieved an error message about "no IRQ handler" Lubuntu would install.






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    I've had the exact same error message while trying to install Lubuntu. I solved it by changing the BIOS boot setting to a setting that was not UEFI ; CSM in my case. My laptop is a Toshiba C855D-S5303. Am AMD Dual-core 300E. Although I still recieved an error message about "no IRQ handler" Lubuntu would install.






    share|improve this answer






























      0


















      I've had the exact same error message while trying to install Lubuntu. I solved it by changing the BIOS boot setting to a setting that was not UEFI ; CSM in my case. My laptop is a Toshiba C855D-S5303. Am AMD Dual-core 300E. Although I still recieved an error message about "no IRQ handler" Lubuntu would install.






      share|improve this answer




























        0














        0










        0









        I've had the exact same error message while trying to install Lubuntu. I solved it by changing the BIOS boot setting to a setting that was not UEFI ; CSM in my case. My laptop is a Toshiba C855D-S5303. Am AMD Dual-core 300E. Although I still recieved an error message about "no IRQ handler" Lubuntu would install.






        share|improve this answer














        I've had the exact same error message while trying to install Lubuntu. I solved it by changing the BIOS boot setting to a setting that was not UEFI ; CSM in my case. My laptop is a Toshiba C855D-S5303. Am AMD Dual-core 300E. Although I still recieved an error message about "no IRQ handler" Lubuntu would install.







        share|improve this answer













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        share|improve this answer



        share|improve this answer










        answered Apr 18 at 3:26









        Anthony LaraAnthony Lara

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