Critical : Acer Aspire V5-571 No UEFI/Legacy Boot Menu or Secure Boot option — Acer Community
Aspire A515-54G UEFI/Legacy boot option not available in Bios v 1.07 — Acer Community
Can disable secure boot on a acer aspire 1, a114-32-c423. I've disabled secure boot on the boot screen in bios, but this doesn't allow me to make changes in the security tab
Can't boot any live usb, can't boot Linux (Acer Aspire 1) — Acer Community