Why does my usb-bootable disappear from the boot-menu?

I’m not sure if this is intentional, but it doesn’t seem right that my entire USB drive disappears if I unplug it while rebooting. After that, it’s completely gone, and I can’t seem to boot from it again, meaning all data on it is lost.

Used ChatGPT to summarize the information, hope it isn’t an issue.

Issue ;

  • When I unplug and replug my USB during a reboot, the option to boot my bare-metal installation from the USB disappears from the boot menu.
  • However, if I unplug and replug the USB while running another OS, the boot option remains available.

System Details ;

  • Motherboard: ASUSTeK TUF GAMING B550-PLUS
  • CPU: AMD Ryzen 5 5600X (6-Core)
  • USB Drive: HP x911w 3.2 (512GB)

Boot & Installation Setup ;

  • Boot Mode: UEFI
  • BIOS Settings:
    • Secure Boot: Disabled
    • Fast Boot: Disabled
    • CSM: Disabled
  • Installation Process ;
    • Used Rufus to create the installer
    • Installed kali-linux-2025.1a-installer-amd64.iso
    • Used an external hard drive for the installation

Hi @ugnspotatis

Although I am not an ASUS user but it seems a lot of people is having issues while booting and using any OS in Asus, may be due to as it’s dedicated for gaming only.

In ASUS PCs, the BIOS settings automatically remove boot entries for unplugged devices. I will suggest you to enable CSM once and try.

Also just try bootable with another USB and check if this issue is still there or not. Some USB 3.2 ports handle boot entries differently from USB 2.0 or other USB 3.0 ports. Try using a different port, preferably a USB 2.0 port if available.

You can also try Ventoy instead of Rufus to make your pen drive bootable. While you are booting from a pen drive just go to the live version of Kali and check if it’s properly working or not.

Just try out these, and let me know the result.

3 Likes

Okay so first of all, thank you! After trying some of the suggested solutions, what seemed to work was enabling CSM. What appears to have been the issue was related to grub-bootloader not installing correctly–possibly due to my inexperience. With CSM enabled, I was able to manually select the location for the grub-bootloader installation in the setup menu. Additionally, I chose a different partition for the target installation, so there’s a chance the issue was also related to the USB itself. Nonetheless, this seems to have resolved the problem.

did you use dd mode while flashing the iso using rufus? Balena Etcher is the recommended tool by the docs to flash the iso since rufus can break the kali image.

I’ve tried writing in both ISO and DD mode using Rufus alongside GPT and MBR mode. I’ll attempt using etcher if the issue occurs again or if I ever need to install the distro again.

I’d prefer to not create a live usb even though it’s recommended and has less issues during installation compared to what I did.