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What's a "Realtek LAN Preinstall driver"?

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MarkR1888

PCHF Member
Jan 31, 2024
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I'm trying to install a LAN driver on a new Windows 11 PC.

My mobo lists two drivers for install:
Realtek LAN Preinstall driver
Realtek LAN Driver
Gigabyte Drivers page:
www.gigabyte.com

B650 AORUS ELITE AX (rev. 1.2) Support | Motherboard - GIGABYTE Global

Lasting Quality from GIGABYTE.GIGABYTE Ultra Durable™ motherboards bring together a unique blend of features and technologies that offer users the absolute ...
www.gigabyte.com www.gigabyte.com

My intention was to install the "Preinstall" Driver first, but there's no setup file. Just a folder named "mb_driver_preinstall_realtek8125bg" with these three files:
rt25cx21x64.cat
rt25cx21x64.inf
rt25cx21x64.sys

The other non-preinstall driver is an executable which I haven't yet run because I think I'm supposed to do something with the pre-install driver first.

How do I install the Pre-install driver?
 
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