• OMEN 15-ek0xxx DA0G3EMBCD0 - restarty po wymianie mostu PCH

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  1. Topic title should contain: the device's manufacturer, full model and the brief description of problem.
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#1 OMEN 15-ek0xxx DA0G3EMBCD0 - restarty po wymianie mostu PCH


by poster 6 March 2024, 10:45
OMEN 15-ek0xxx
płyta: DA0G3EMBCD0
CPU: Intel i7-10750H
GPU: N18E-G1-B-KD-A1 (GeForce RTX 2060 6GB)
PCH: SRJAU

Laptop trafił do mnie martwy, zwarta linia +3VS5: Uszkodzone PCH oraz kotroler thunderbolt JHL7340.
Kontroler TB wylutowałem, natomiast most wymieniłem.
Laptop odpala z komunikatem CMOS Reset (502), po wciśnięciu enter restartuje się w kółko, pokazując jedynie czarne tło z podświetleniem na ok 1s.
Po odpięciu zasilacza i baterii sytuacja się powtarza - raz jest obraz, potem restarty w kółko.

PCH inicjalizuje ME Region. (z odczytanego wsadu "Configured" zmienia się na "Initialized")

Czy brak kontrolera thunderbolt może być powodem takiego zachowania? Testowo zdjąłem jeszcze cewkę LT2 oraz eprom UT2, ale nic to nie zmieniło.

Po zaprogramowaniu pustego biosu ze strony HP laptop odpala z komunikatem CMOS Reset (502) a po restarcie restartuje się cyklicznie z komunikatem "manufacture programming mode is in unlock mode". Nie da się wejść do ustawień bios.
Wymieniłem też kość z 25Q128JV na 25Q128FV - niestety bez rezultatu, zachowanie identyczne.

Ktoś spotkał się z takim problemem? Czyżbym miał wadliwy PCH?

Re: OMEN 15-ek0xxx DA0G3EMBCD0 - restarty po wymianie mostu PCH


by Google Adsense [BOT] 6 March 2024, 10:45

#2 Re: OMEN 15-ek0xxx DA0G3EMBCD0 - restarty po wymianie mostu PCH


by poster 19 April 2024, 13:34
Laptop ruszył po wstawieniu sprawnego kotrolera thunderbolt JHL7340.

Re: OMEN 15-ek0xxx DA0G3EMBCD0 - restarty po wymianie mostu PCH


by Google Adsense [BOT] 19 April 2024, 13:34

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