In Device Manager, right-click the adapter, select Properties, go to the "Power Management" tab, and uncheck "Allow the computer to turn off this device to save power."
Installing this adapter on modern and legacy Windows operating systems can vary. Follow these steps for a clean installation. Method 1: Automated Installation (Executable)
If your adapter is plugged in but not connecting or showing a "Code 10" error:
. While it is often "plug and play" on modern Windows systems, older OS versions or specific connection errors may require manual driver installation and configuration. 1. Driver Installation & Download
Bookmark the official GitHub repository for rtl8188cu by aircrack-ng. It is the only actively maintained source for this chip in 2025 and beyond. While it is often "plug and play" on
The RTL8188CU is famous for dropping connections on Linux. Do not use the default rtl8192cu driver that comes with the kernel—it is broken.
If you have an RTL8188CU lying around, should you use it?
No recognition on plug‑and‑play
Here is how to find the legitimate driver link: It is the only actively maintained source for
If it shows up as an "Unknown Device," right-click it and choose . Select Browse my computer for drivers .
Compatible with Windows XP through Windows 11 (32-bit and 64-bit).
While the theoretical maximum is 150 Mbps, real-world speeds are often significantly lower—typically ranging from depending on environmental factors and operating system drivers.
Although the RTL8188CU is older, it is part of the "Realtek USB WLAN Family." Some users find success using general family drivers from the Realtek Downloads Page , though results may vary for this specific model. Third-Party Driver Databases In Device Manager
The RTL8188CU usually works out of the box on Linux. If you experience dropping connections, disable power saving by running these terminal commands:
64/128-bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/AES)
| Resource | URL | |----------|-----| | TP-Link TL-WN725N v1 driver | https://www.tp-link.com/us/support/download/tl-wn725n/ | | Edimax EW-7811Un driver | https://www.edimax.com/edimax/download/download/data/edimax/global/wireless_adapters_n150/ew-7811un | | GitHub – lwfinger/rtl8188cu | https://github.com/lwfinger/rtl8188cu | | GitHub – pvaret/rtl8192cu-fixes | https://github.com/pvaret/rtl8192cu-fixes | | GitHub – aircrack-ng/rtl8188eus | https://github.com/aircrack-ng/rtl8188eus | | GitHub – chris1111 macOS driver | https://github.com/chris1111/Wireless-USB-Adapter-Clover | | Arch Linux Wiki (RTL8192CU) | https://wiki.archlinux.org/title/Wireless_network_configuration#Realtek_RTL8192CU |