Ask Predator Helios 300 PH315-53 after PCH replacement.

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Good Morning Sir.
After replacing SRJAU PCH for a ACER Predator Helios 300 (PH315-53 / Mainboard FH53M LA-J891P Rev:1B / Intel Core i7 10750H + RTX Nvidia), laptop power on ok, Windows 11 logon, but only showing Intel UHD Graphics inside device manager. Nvidia is unknown inside BIOS. Could you please, clean this original BIOS to my RTX recgnize again?
Thanks in advance.

 

[ThienBui]

Good Morning Sir.
After replacing SRJAU PCH for a ACER Predator Helios 300 (PH315-53 / Mainboard FH53M LA-J891P Rev:1B / Intel Core i7 10750H + RTX Nvidia), laptop power on ok, Windows 11 logon, but only showing Intel UHD Graphics inside device manager. Nvidia is unknown inside BIOS. Could you please, clean this original BIOS to my RTX recgnize again?
Thanks in advance.

I can help but it has nothing to do with the GPU

 

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I can help but it has nothing to do with the GPU

Sir,
You said "I can help, but it has nothing to do with the GPU". So do you think I should replace GPU BIOS?
Thanks for your help.