Montag, 17. Februar 2020

Linux not booting after kernel update on Dell Latitude 5501 (and 5591) when on battery

After the latest BIOS/Kernel update my Notebook does not boot anymore when it is on battery, with charger everything works fine.

Note: it should be happen either after BIOS upgrade or after Kernel Upgrade when you have the latest BIOS on your Notebook.

I've found on Dell Community that problem probably coming from Intel Microcode, since this change working on Windows without any issue, i mean there is a problem with BIOS/linux/microcode combination.

Workaround


Add parameter to grub config in file '/etc/default/grub' in Line 'GRUB_CMDLINE_LINUX_DEFAULT'.


GRUB_CMDLINE_LINUX_DEFAULT="quiet splash dis_ucode_ldr"

Please don't forget to run grub-update and after reboot commad:

$ grub-update & reboot


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