E15 won't boot

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Like2Hike
Like2Hike Member Posts: 24 Troubleshooter
edited October 2023 in 2020 Archives
Says no boot drive. Have both HDD and M.2 SSD. Attempted to boot from HDD via F12 in BIOS. After that F12 enable the PC will not boot from either drive. Put BIOS back as before, still no boot.

Prior to this morning the E15 has booted faultlessly for the last six months from the SSD.

How do I recover?