Lenovochris
Member
Last Activity: 01-12-2025, 04:48 PM
Joined: 08-16-2024
Location: Northampton
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No longer does anything apart from fans spin for a second after initial power button press... -
Does the bios look ok? Thanks...Leave a comment:
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dump added Thanks...Leave a comment:
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Bios request
15ach6h
PF47JGN6
Currently running GKCN65WW
Takes ages to fire up, power light cycles before booting in to windows with fan and CPU on full.
Then shuts off after 30secs.
Doesn't display image on discrete, but did on integrated.
Will get a bios dump later thanks
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Yes seems that way, thanks for your help....Leave a comment:
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Some more testing Lenovo detects a different serial number to the one my computer is.
I have display via hdmi but not on screen of laptop
Thanks...Leave a comment:
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Ah ok thanks
I've tried running it for around 5 mins with nothing connected apart from charger and 1 ram module
Keyboard lights up up fans spin for 3 seconds
Lights go out after a minute or so then fans kick in and the cycle repeats, all while having no display.
I'm not really sure where to start to be honest....Leave a comment:
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Unfortunately same symptoms although have caps lock light now as well. I've attached pic and a video....
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Thanks Will try now and le you know the result. Thanks...Leave a comment:
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Bios Request please
Lenovo Legion 7 16achg6 s/n PF30C3Z0
Keyboard lights come on, Fans spin for a split second, Esc/fn lock light stays on the whole time. No display. It is charging and i have power light, It post loops in a sense as it will wait a minute then spin fans again then stop then fans again.
Please see bios dump attached,
Many Thanks...Leave a comment:
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After going back over everything the fans kicked in nicely which made me suspicious, and i plugged in to external monitor it's fully working now so that's amazing thank you so muchπ
I do have a few other bios requests if you can help me.
Thanks...Leave a comment:
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Hi
Sorry for delay received chips today and a socket, Managed to program the bios chip and solder on board.
Unfortunately
power light comes on, fans kick in for split second then stop and no display, Is there any other bios to try?
cpu and gpu have warmth 30 degrees
Num lock caps lock and fn lock all light up when pressed
Thanks...Leave a comment:
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Ok so my other 16ach6h with s/n pf36sa38 I uploaded bios from post 5 (my last dump was from my spare main board)
ββββββAnd still doing it's normal thing of
Keyboard lights no display, fans kick them die off after a delay then no image
Do you think your rewritten bios will solve this thank you so much for your help.
ββββ...Leave a comment:
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Hi Thanks for that.
Unfortunately I snapped a leg off the chip, so currently waiting for replacement chip then will write bios to it and test.Thank you
My main laptop bios on my other 16ach6h was all Fs when I read it, this was after soldering it to the ch341 board adapter as sop8 adapter has given errors.
I've used the bios in post 5 for this do you see any issues with doing that before I solder it back on the main board.
Thanks for all your help I have learned a lot....Leave a comment:
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ok Thanks
Heres the file...Leave a comment:
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Ok Thanks I finally received hot air tool and removed chip fitted it in an sop8 adapter,
Its actually read the chip and i have a .bin file,
How can i convert it to add it here as a dump file to be checked, This is my test motherboard at the moment so i don't break my good corrupted one till i know exactly what i'm doing.
Thank you for all your help...Leave a comment:
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Ok, yes I'm using a clip, is removing it the only way ?...Leave a comment:
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Sorry for the delay, I have a spare motherboard that I'm testing on as I don't want to ruin my good board this is what my read looks like. Does this look ok?...
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Hi Here are the part numbers
Bottom circled one - Winbond 74M12JWSIQ. 2130
One above it - Winbond 25Q16JWNIQ 2123
Thanks
Hopefully added a dump of circled chip...Leave a comment:
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Ok thanks ibreally appreciate that.
Been trying again tonight to get it to work.
Software seems to semi work for reading, but struggling with it about.
Extracted the bin file from the .rar in post 5 but still says something about chip size etc.
Do you know what I'm doing wrong?
I'm perfectly fine on technical side software I'm not so good with
Do I need the 1.8v adapter?...Leave a comment:
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