Boot to any [Manjaro] live GUI disk. Use manjaro-chroot 1. Start by identifying the partition where your Manjaro installation controlling the active Grub menu resides and needs repairing. If you are in Graphical mode you can use an application called GPartEd , which should be in Menu > System > GPartEd. This will provide a simple visual illustration of the partitions on your hard drive(s). To do the same thing from terminal or TTY you can use this command lsblk -f 2. manjaro-chroot is a tool to easily setup a functional chroot into an installed Linux installation from a live boot of a Manjaro Installation Media. To setup the chroot use the command sudo manjaro-chroot -a You will be presented with a terminal. Wait until it shows a list with the available system partitions on your computer and choose the one you want to repair. 1.) First of all check the partition for the ESP (EFI System Partition). An ESP is a fat32 partition and contains .efi ...
An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://dl.yarnpkg.com/debian stable InRelease: The following signatures were invalid: EXPKEYSIG Yarn Packaging <yarn@dan.cx> W: Failed to fetch https://dl.yarnpkg.com/debian/dists/stable/InRelease The following signatures were invalid: EXPKEYSIG Yarn Packaging <yarn@dan.cx> W: Some index files failed to download. They have been ignored, or old ones used instead. Run this command sudo apt-key adv --refresh-keys --keyserver keyserver.ubuntu.com