To find the correct driver, you must know which chip your JP108 uses. Do not rely on the sticker.
Step-by-step to check:
You will see a string like:
Pro Tip: If your ID is VID_2001&PID_1A00, you have a D-Link clone, but the Realtek driver still works. Any other VID might require a generic driver, but 90% of JP108 units are Realtek-based. jp108 usb lan driver extra quality
The JP108 adapter is an entry-level networking solution. Its primary use case is adding an Ethernet port to devices that lack one, such as modern ultrabooks or tablets. To find the correct driver, you must know
Microsoft enforces driver signing. An extra quality driver is signed by Realtek or Microsoft. Unsigned drivers will be rejected by modern Windows versions (especially in Secure Boot mode). A quality driver passes WHQL (Windows Hardware Quality Labs) testing. You will see a string like:
Poor drivers fail to wake the adapter from sleep mode, forcing a reboot. An extra quality driver properly implements "Selective Suspend" and "Wake-on-LAN" (WoL) features.