• HP OMEN 15-dc1072nw - Problem z "ciepłym startem"

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HP OMEN 15-dc1072nw - Problem z "ciepłym startem"

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  1. Topic title should contain: the device's manufacturer, full model and the brief description of problem.
  2. Topic message should contain: the PCB marking code (required in case of hardware repairs), an extended description of problem, things you have checked/replaced/measured, your conclusions and the question. If you are not able to find the PCB marking code, please read THIS TOPIC. If you still cannot locate the PCB markings, please upload a clean, both-side photos of the mainboard - it is required to remove any films, modules or brackets possibly covering these markings.
  3. Before posting a new topic please read all topics in TRAININGS subforum and make a preliminary diagnostic based on the content of those trainings.
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#1 HP OMEN 15-dc1072nw - Problem z "ciepłym startem"

by MariuszMar • 18 November 2025, 19:24
Płyta główna: DAG3DCMBCC0 rev. C
Procesor: i5-9300H
BIOS: AMI F.29 (po aktualizacji), pierwotnie F.22

Laptop trafił do mnie z padniętą bateria, zgłaszał błąd CMOS reset( 502), oraz informacją że często się nie włącza i mocno grzeje.
Wyczyściłem chłodzenie, nowe pasta, termopady, wymieniłem baterie, zaktualizowałem BIOS.
Laptop ogólnie się uruchamia, temperatury są w porządku, można z niego "korzystać godzinami." ale po wyłączeniu (bez względu czy działał minutę czy godzinne) nie przechodzi do POST. Przy próbie uruchomienia podświetla ekran, włącza wentylatory, działa podświetlenie klawiatury i na tym koniec.
Jak go zostawię na min 30 minut to uruchamia się bez problemu.
Podejrzewam PU301 (MP2949A) - jakieś rady ?

Re: HP OMEN 15-dc1072nw - Problem z "ciepłym startem"

by Google Adsense [BOT] • 18 November 2025, 19:24

#2 Re: HP OMEN 15-dc1072nw - Problem z "ciepłym startem"

by matic • 19 November 2025, 10:01
Hello!

Measure the voltages to ground on all coils when the machine is turned on with no picture on the screen.

Re: HP OMEN 15-dc1072nw - Problem z "ciepłym startem"

by Google Adsense [BOT] • 19 November 2025, 10:01
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