Right-click the device and select Update driver .
Some 51220 packages include setup.exe . Run it as Administrator, but be aware: it may install additional utilities (Realtek WLAN Client) which are optional but harmless. 80211n usb wireless lan card driver version 51220
The genuine 64-bit rtwlanu.sys file (version 5.1.22.0, internal revision 51220) has: The Definitive Guide to the 802
: No. Driver 51220 is specifically for 802.11n adapters. Using it on an AC adapter will cause hardware failure to initialize (Code 28). Look for AC-specific drivers like version 1030.38. Visit the manufacturer's website : Go to the
Version 5.1.22.0 is a "Native Wi-Fi Driver" that supports various security protocols and networking features: April 21, 2015.

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