the problem only stuck windows logo, i was change NVME and RAM can't solve the problem, maybe bios problem, need rebuild to solved the problem.
Mainboard Code HLG30 LA-L916P Rev 1.0

SN : MP28NW8T
MTM : 82S900K8JP...

ou have everything you need at post #7..
[url]https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/bios-requests-only/3258177-lenovo-ideapad-gaming-3-15iah7#post3322278[/url]https://ou have everything you need ...t3322278[/url]...

This specification for the Lenovo IdeaPad Gaming 3 15IAH7 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the Gaming 3 15IAH7 boardview and Gaming 3 15IAH7 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet,...

bios extracted from Lenovo website update for IdeaPad Gaming 3 15IAH7, IdeaPad Gaming 3 16IAH7....
DMI 1000000 - 100200F
KEYWIN 10AF000 - 10AF03F​ [ATTACH]n3322279[/ATTACH]...

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RichGood Day,

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Re: Lenovo Ideadpad gaming 3 15ACH6

ideapad gaming 3 15iah7 unlock possible!,??