Without the proper driver, you will likely encounter a "Device descriptor request failed" error or see a yellow exclamation mark in your Device Manager. Step 1: Identify Your USB Wireless Chipset
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Locate or Network Adapters . Look for a device with a yellow exclamation mark named 802.11n WLAN , Generic USB Wireless , or Unknown Device . Right-click the device and select Properties . Go to the Details tab.

