How to restore default UEFI boot points?

K

KivApple2014-10-11 01:37:09

laptops

KivApple, 2014-10-11 01:37:09

There is a laptop Samsung 300V4A-A05. It has had various Linux distributions installed several times. It is currently running Debian Testing in UEFI mode. Apparently, during the last installation, the USB HDD boot item was overwritten (some UEFI curves allow the OS to change not only its own items, but any other items in general, including Setup, which can generally corrupt the laptop). Now the laptop cannot boot from flash drives - they simply do not appear in the list. Is it possible to somehow fix this on my own? It is best if you can somehow return this item using efibootmgr. Or will you have to disassemble the laptop and close something (similar to how passwords are reset on some laptops and motherboards)? Or is there no way to restore it at all? Disabling UEFI in BIOS Setup and resetting the settings does not help.

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4 answer(s)

O

oia, 2014-10-11
@oia

you need to disable Secure Boot and enable "Legacy support" move to the "Enabled" position

N

Nazar Mokrinsky, 2014-10-11
@nazarpc

If the flash drive supports UEFI booting, it will appear in the list by itself, you don't need to do anything shamanistic.

K

KivApple, 2014-10-11
@KivApple

Solution found. It was necessary to delete in general ALL menu items through efibootmgr. At the next reboot, all the standard ones appeared.

D

dimitriy16, 2015-07-15
@dimitriy16

I will leave this to posterity.
It helped me in rufus when writing an image, choosing an MBR with only UEFI! Although the image automatically set the BIOS + UEFI option
and disable the Security OS item in the BIOS. Legacy mode did not turn on.
Yes, and the flash drive was loaded only from port 2.0. It was not possible to install the system from the usb3.0 connector