: Move through the installation wizard steps and reboot your PC once prompted to initialize the network stack.
The is a popular 150Mbps USB WiFi adapter widely used for adding wireless connectivity to desktop PCs and laptops. However, a common query among users is regarding the "Qhmpl 0119 ul wifi driver hot" issue—referring to the device becoming extremely hot during operation, often accompanied by driver malfunctions or disconnections.
Go to Device Manager > Network Adapters > [Your Adapter] > Properties > Power Management and uncheck "Allow the computer to turn off this device to save power." This can sometimes stabilize performance and temperature.
Plugging the device into the back of a cramped desktop tower traps hot air, escalating the internal temperature. Step 1: Securely Download and Install the Correct Driver
If the QHMPL 0119 UL continues to get hot, to the point of being painful to touch, or if it frequently disconnects even after trying the steps above, the internal components might be damaged. Given its budget nature, it may be more practical to replace it with a more durable USB wifi adapter, ideally one with an external antenna and a more robust heat-dissipation design. Summary Checklist for a Cooler Dongle to the latest Ralink/Realtek chipset driver.
: Ensure the dongle is in a USB 2.0 port for better compatibility, as some older adapters struggle with USB 3.0 (blue) ports.
If you are on Windows 10 or 11, try simply plugging the device in while connected to the internet via Ethernet. Windows Update often automatically finds the generic driver for these Realtek chipsets without you needing to download anything manually.
Incorrect drivers can cause the chipset to operate inefficiently, wasting power as heat.
This is the hardware ID for the Qualcomm Atheros QCA9377 network adapter. VEN_168C identifies the vendor (Atheros/Qualcomm), and DEV_0042 identifies the specific device (QCA9377). You would use this in Device Manager to find the exact driver in a driver store.