קו נטוי לעבור פרסאוס nvidia boot agent 249 media test failure check cable מקור שעווה משי
How to fix boot error "PXE-E61: Media test failure, check cable" | Boot Device Not Found | 2020 - YouTube
How to Fix Media test failure, Check cable | No Bootable Device (Complete Tutorial) - YouTube
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new pc build will only load into bios. i've changed the boot mode and actually got the m.2 to appear as a boot option but it still only loads into the bios :