Realtek Rtl8188cu Wireless Lan 802.11n Usb 2.0 Network Adapter

: Disable "Allow the computer to turn off this device to save power" in Device Manager to prevent the adapter from randomly disconnecting.

Theoretical 150 Mbps; real-world throughput typically ranges from 20 to 90 Mbps depending on environment and OS. Interface: Internal 1x1 SISO (Single-Input Single-Output). Ultra-Compact Form Factor: : Disable "Allow the computer to turn off

Faulty hardware or corrupted EEPROM (rare). Fix: Check if the adapter gets warm. If it stays cold, it may be dead. Try a different USB port, preferably a direct port on the motherboard (not a front panel or hub). If it’s recognized on another PC, run the USBDeview tool to remove all stale USB entries and reinstall. Try a different USB port, preferably a direct

: Right-click the RTL8188 device and select Update driver > Search automatically for drivers . A simplified block diagram:

A simplified block diagram: