Before downloading, confirm your device:
HP never officially released a 32-bit driver. However, the Atheros AR9565 32-bit driver (version 10.0.0.335) has been reported to work. Use at your own risk and only from reputable sources.
For everyone else, this guide ensures that your HP laptop with the QCWB335 chip will stay connected on Windows 7 without frustration.
by entering your specific laptop serial number or model. However, if you are searching by the card model itself, here are common packages used for this hardware:
For Windows 7 users, the driver landscape is shaped by the official end of life for the operating system. While HP Support originally provided dedicated "SoftPaq" (spXXXXX) installers for these drivers, finding them now often requires searching by the specific laptop model rather than the card ID. network drivers for hp 255g3 windows 7 64 bit QCWB335
After the installation finishes, the wizard will likely prompt you to restart. Even if it doesn't, **restart your computer
Integrated as a "Half Mini PCIe" card, the QCWB335 provides essential connectivity for laptops like the HP Pavilion 15-n series and HP 255 G3. Because it handles both wireless networking and Bluetooth on a single chip, a missing or corrupt driver often results in "Unknown Device" errors in the Windows Device Manager or the loss of peripheral connectivity. Driver Acquisition and Installation