Unable to boot ubuntu from an external HDD with USB installation media

i’m unable to boot from an external HDD with my USB installation media, i’ve already installed ubuntu on my HDD but it seems not booting at all, i can’t even find it in the BIOS settings !

help please i’m stuck with it since a week ago !!

This site is for the co-ordination of the Ubuntu project(s), and not support.

For Ubuntu Support options, please have a look at https://community.ubuntu.com/t/finding-help/712

Reading your question, I’m asking these questions

  • have you enabled boot-from-external via usb-hdd in bios? (assuming your machine allows it - not all do)
  • as BIOS cannot find it, I’d boot your usb install-media and check the HDD’s SMART data, but your issue may be my prior point/question

Note: If you have questions, you need to ask them on an appropriate site (not this one), and possibly include more info, such as lsblk (list block devices), or sudo fdisk -l (to list disk partition table info) etc. Your machine make/model may also help (should someone know it, they may know if it can/cannot boot from an external hdd)

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