grub installation failed kali linux install usb

Not ideal - the system won't boot at all and I will need to open it and disconnect the internal drives before I can even get back into the BIOS to change back to EFI boot. I bumped into the same issue with VMs, got around it by simply swapping from EFI to legacy on the VM manager settings. There's no way to shut down the WiFi completely except for disconnecting it from the mobo - not ideal. I tried omitting the network portion entirely during the installation. So, I copied the unpacked 'firmware'-directory (sans unpacked atheros directories) to the root of an USB stick and offered it to the installer. deb files indeed contain a directory matching the name of the chipset. Following instructions in the Debian WikiI downloaded the non-free firmware package and unpacked it. Installer complained about missing Atheros FW files. Installation (physical system) is failing with 'The 'grub-efi-amd64-signed package' failed to install into /target/.' Googling suggests this is due to failing Internet connection.

Grub installation failed kali linux install usb