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T470s (type 20HF, 20HG) Laptop (ThinkPad) - Type 20HG
Thankts! Worked fine for me although using a clamp.
Seems it was necessary to delete the BIOS first from the chip as otherwise the re-read was consistently (write-read always returned the same files so flashing via the clamp seemed to work) different from the original file.
T470s (type 20HF, 20HG) Laptop (ThinkPad) - Type 20HG
Thank you, hoaca388 for this bin file. I used it for flashing my T470s 20HF. This laptop can only boot to see some flashes of the keyboard light after the late BIOS update using Think Vantage from Lenovo. Now I can at least boot into BIOS setup page after flashing this BIOS file with a new bought CH341a programmer. And thanks to @dahnking for the confirmation of working.
However, after some other fixes (patching with BIOS AutoPatcher by @Knucklegrumble ), I finally got into my Windows 10 system. Then, I found that the Fn key not working, but the Esc key worked for the function of Fn key. I think this may be because of the type does not match.
... Then, I found that the Fn key not working, but the Esc key worked for the function of Fn key. I think this may be because of the type does not match.
UPDATE: This is because that I have not modify the setting in BIOS to make F1...F12 function primary.
I've tried a few programmers with the CH431A Pro, and the only one that could detect the chip was AsProgrammer, but it only seems to support the W25Q128BV and W25Q128FV chips. Any help?
[Edit] I've found this one, and it programmed it properly!
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I still need help with this, restoring the backup of the bios doesn't fix the problem, I cannot upload it here, nor post a link to it. I feel cornered, I really need this machine to work.
Also, if I do not enter bios, I get two errors:
0271: Check Date and Time settings.
0183: Bad CRC of Security Settings in EFI variable.
Device: Laptop
Brand: lenovo T470s
type: 20JT-S04Y2L
SN: PC0LPH9U
Request: Repair
Turning on but no post, with musical sound, lenovo PC diagnostics error 0285 TCG compliant fuanctinality related error ( might be the tpm initialization failure)
Device: Laptop
Brand: lenovo T470s
type: 20JT-S04Y2L
SN: PC0LPH9U
Request: Repair
Turning on but no post, with musical sound, lenovo PC diagnostics error 0285 TCG compliant fuanctinality related error ( might be the tpm initialization failure)
---------------------------------------------------------------------------------------------------------------------------------------------------------- All donations to Badcaps are welcome. Become a Badcaps supporter >>>>>click on this link to donate <<<<< Thanks to all supporters.
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