Always keep a backup USB drive with your motherboard’s LAN and Chipset drivers. It weighs nothing, costs pennies, and will save you hours of frustration.
On the offline computer, open Device Manager . Right-click the unknown device > Properties > Details tab. In the drop-down menu, select Hardware Ids . You will see a string like VEN_8086&DEV_2723 . Write this down (or take a photo). VEN = Vendor, DEV = Device. how to install drivers without internet
Connect your phone via USB cable (file transfer mode) or use a flash drive to move the installer to the offline computer. Run the .exe file. Method 3: Install via CAB or INF Files (Advanced) Sometimes drivers come as folders full of .inf , .sys , and .cat files instead of an installer. This is common for enterprise or Intel driver packages. Always keep a backup USB drive with your