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Tags: boot   dual-boot   uefi   grub-efi  
Link: 🔍 See Original Answer on Ask Ubuntu 🔗

URL: https://askubuntu.com/q/1231685
Title: Ubuntu 20.04 boot freezes after shutting down the PC, but not after restarting from Windows 10
ID: /2020/04/27/Ubuntu-20.04-boot-freezes-after-shutting-down-the-PC_-but-not-after-restarting-from-Windows-10
Created: April 27, 2020    Edited:  June 12, 2020
Upload: November 24, 2022    Layout:  post
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Boot into Windows, restart and then select Ubuntu. Windows is powering on a device and leaving it powered up when restarting. Ubuntu is not powering up the device.

After starting Ubuntu open a terminal and use sudo -H gedit /etc/default/grub.

Locate the line with:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"

Remove quiet splash leaving the double quotes and everything else there.

Save the file, exit editor and run:

sudo update-grub

Now when you start your computer you will see status messages when grub calls Ubuntu. The last status message before computer freezes is the error we need to track down and fix.


Resolution

Upon reviewing boot errors OP discovered problem was a duplicate of:

⇧ How can I exclude . and .. when listing hidden items? How to consult FAT32 cluster size on Ubuntu  ⇩