Locate your and Serial Number (S/N) on the sticker at the bottom of your laptop.

that has just had its motherboard replaced. While it powers on, there's a problem: the BIOS screen shows generic placeholders for the Serial Number and UUID, and Windows is suddenly "not activated" because it no longer recognizes the hardware.

Inputting incorrect hexadecimal values can prevent the laptop from posting.

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Acer Dmi Tool Link __link__ Jun 2026

Locate your and Serial Number (S/N) on the sticker at the bottom of your laptop.

that has just had its motherboard replaced. While it powers on, there's a problem: the BIOS screen shows generic placeholders for the Serial Number and UUID, and Windows is suddenly "not activated" because it no longer recognizes the hardware.

Inputting incorrect hexadecimal values can prevent the laptop from posting.

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