xiongnemo
New Member
Last Activity: 03-30-2025, 06:52 AM
Joined: 04-03-2024
Location: VIC
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In my estimation, the issue should be resolved either with a successful blind flash or resetting the nvram after I manage to get a dump of the original chip. -
Sorry for the inconvenience!
MO: PFNNXB1531076
S/N: PF2YJWP8 (Chinese Version)
MB P/N: 5B21C81146
On the same label with MB P/N: 885B21C81146L1HF15PB0DZ
'46J SN TXT Code; on MB: 15414038004384511GK1210G HYG40 10D2
BIOS Chip seems to be [I]74M12JWSIQ[/I]Sorry for the inconvenience!
MO: PFNNXB1531076
S/N: PF2YJWP8 (Chinese Version)
MB P/N: 5B21C81146
On the same label with MB P/N: 885B21C81146L1HF15PB0DZ
'46J SN TXT Code; on MB: 15414038004384511GK1210G HYG40 10D2
BIOS Chip seems to be [I]74M12JWSIQ[/I]SorryLeave a comment:
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BIOS for blind flash Yoga 7 14ACN (82N7) 5800U
I misconfigured my UEFI settings and it now won't POST. Removing CMOS battery is of no use. I tried to put BIOS.fd in and use Fn + R to blind flash, but also no use. The charging light just flashing amber while ESC and CAPS LOCK turned off and on every 5 or maybe 7 times when charging light flashes. I wonder whether my extraction from Lenovo website suits this occasion and if not, maybe someone of you will have one?
Many thanks! -
Hello! I am Nemo. I came across this board for my dead Yoga 7 14ACN.
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