Forum >Alpha 864 led fixe no boot
Alpha 864 led fixe no boot

hello all
My lattepanda alpha 864 (M3 7Y30) no want boot, but the led blue and red are fixe , and the start is normal ( red led fix and blue blue led blink all 5 seconds ) .
_ i have remove rtc battery (and buy news) and the manip of 20 sec long press.
_ used other block DC usb c
_powered the jst 2.0 4P with 12 volts
I belived to have put a bad bios version . But in copie (with ch341A) i have found the ligne mention "S70KR200" n\05 12 02 00.
The usb keyboard no work , but when i connect a usb hard drive the white led of there work .
I have tested flasing of all other bios (kr200) with ch341A , that change nothing.
I have connested with my hdmi tv and my screen xp pen .
Visibly the LPA isn't dead (led) but no out hdmi , no keyboard . I don't have idea . Do you have any idea ?? THX
My lattepanda alpha 864 (M3 7Y30) no want boot, but the led blue and red are fixe , and the start is normal ( red led fix and blue blue led blink all 5 seconds ) .
_ i have remove rtc battery (and buy news) and the manip of 20 sec long press.
_ used other block DC usb c
_powered the jst 2.0 4P with 12 volts
I belived to have put a bad bios version . But in copie (with ch341A) i have found the ligne mention "S70KR200" n\05 12 02 00.
The usb keyboard no work , but when i connect a usb hard drive the white led of there work .
I have tested flasing of all other bios (kr200) with ch341A , that change nothing.
I have connested with my hdmi tv and my screen xp pen .
Visibly the LPA isn't dead (led) but no out hdmi , no keyboard . I don't have idea . Do you have any idea ?? THX