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Hi mon2, PQ5402 was faulty, resistance more than 20 kohms, checked in diode mode too, 0,5V drop, seemed to be OK, I tried to replace anyway and its working...thanks for hint
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ACDRV - 0V,
PR5404 - OK
PR5402 - OK
REGN - 6V
Let me double check mosfets tomorrow
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Hi Mon 2, I have got same problem, no voltage at point2. All input mosfets OK, no low resistance.
Chager IC BQ24780s has VCC presented -20V.
ACDET at pin 6 has 2,7V
ACOK pin 5 - 0V
I tried to replace charging IC, but the same.
From charged battery, its working.
Do you have any idea? Thank you...
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Masters, anyone able to repair this BIOS?
Stuck at 1,6Amps, no image.
Inspiron 15-7559, daam9amb8d0, rev.D
Intel i7 CPU, Discrete GPU.
With files attached here, I did just 0,6AMps consumtion...
Thank you​...
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Hi masters, is here anyone able to have a look, if this BIOS file contain windows OEM key? Need to transplate it to new file, but no luck. Hex editor with 010000000000000001000000000000001d000000 show nothing. Can not find serial number as well, I bellieve I missed something for these newer bioses.
Ideapad 5, 15ARE05
S/N: PF2991R4
Thank you...
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PCH should be new and soldered well, original one was shorted. I found, that 10Mohm R262 was missing (probably when I was taking epoxy from corners), put it back, now bootloop 0,6A goes directly to 0...could this missing resistor kill crystal?...
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MSI GF63 THIN 9SCX, MS-16R31
Hello guys, anyone able to help me with this bios, already out of mind. After PCH replacement, stucked at 0,6Amps, NO POST. Tried to clean ME with no luck (attached). Used ME analyzer, FIT Tool...
MSI GF63 THIN 9SCX
Board: MS-16R31
S/N: R1912N0014539 (hardly visible, not sure)
Thanks for help....
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Same issue bro, take 1 minute to get picture, after that FANs at full speed, than goes off. In your files, ME region is cleaned? If so, I have to look for hardware failure.
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Lenovo Legion PRO 5 16IRX8, i9+RTX4070
Hi masters, anyone can help me with BIOS? Long story short, spilled unit, did not start at all. Found two burned resistors in 3.3/5V step down controler. Now unit start, but it takes 30-40 second to get a picture and than FANs start run at full speed and turn off after 20 seconds, so could be ME corrupted...
Lenovo Legion PRO 5 16IRX8
S/N: PF4MN0RM
Board: NM-F091
i9-13th + RTX 4070
Both dumps attached. I tried to clean, but I am not getting picture at all, even after minute.
There is no boardview and schematic, so would like to try...
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Thanks mate, I was able to start machine, but still getting artifacts, gonna to look at VRAM chips.Thanks for your help anyway.1 Photo
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Hi masters, I have
Legion Y540-17IRH (81Q4)
SN: PF28T3J0
MTM: 81Q400G7PB
It starts, in left top corner blinks white underscore 3 times, no Legion Logo, just backlight is on.
I tried to flash hoaca388 BIOS from post #2 and I got artifacts on screen. If I went to bios, "Discrete graphic" option was greyed out, no changes available.
Is it because this bios is for different GPU?
My BIOS attached, can anyone have a look please.
Thanks in advance....
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Thanks to kick me up, I moved DMI info, but did not saved it. Now its solved...
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Look at post #80, I did that, but still original DMI informations (serial etc...)
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which offset was DMI data? I transfered 1000-2FFF but not helped...
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Hi bros, I change ofset 1000 to 2FFF in this file, but DMI is still the same, bad offset?...
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