• Płyta GA-B75M-D2V rev: 1.0 - czasami wystartuje, reset ustawień BIOS.

It is currently 14 December 2024, 17:39

Płyta GA-B75M-D2V rev: 1.0 - czasami wystartuje, reset ustawień BIOS.

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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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 This topic is marked as ARCHIVAL. Please only reply if your message contains the solution (Terms and Conditions p. 12.1).

#1 Płyta GA-B75M-D2V rev: 1.0 - czasami wystartuje, reset ustawień BIOS.

by HotIce • 13 February 2022, 15:20
Cześć,
Walczę z przypadłością tej płyty, po kilku, kilkunastu próbach podania zasilania i włączenia potrafi wystartować ale zawsze wyświetla informację że ustawienia bios zresetowano do domyślnych, a większości przypadków po włączeniu na zworce (power) jest start, działa wentylator cpu, dioda lan nie zaczyna migać i ekran czarny. Wykonałem reflow mostka PCH, bios wgrany najnowszy ze strony Gigabyte, bateria nowa 3.2v mierzone z drugiej strony na płyty na pinach podczas pracy, cpu zmieniany i RAM też, o co tu chodzi? wada mostka?

Re: Płyta GA-B75M-D2V rev: 1.0 - czasami wystartuje, reset ustawień BIOS.

by Google Adsense [BOT] • 13 February 2022, 15:20

#2 Re: Płyta GA-B75M-D2V rev: 1.0 - czasami wystartuje, reset ustawień BIOS.

by matic • 17 February 2022, 21:47
Hello!

Perform the following measurements with connected RTC battery only (without power supply connected):
- Measure the voltage on capacitors C91, C92.
- Measure the voltages to ground on both pins of quartz X2 with oscilloscope. If you don't have one, measure with a multimeter.

Re: Płyta GA-B75M-D2V rev: 1.0 - czasami wystartuje, reset ustawień BIOS.

by Google Adsense [BOT] • 17 February 2022, 21:47
 This topic is marked as ARCHIVAL. Please only reply if your message contains the solution (Terms and Conditions p. 12.1).
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