| Error Message / Symptom | Likely Cause | Solution | | :--- | :--- | :--- | | “Driver not intended for this platform” | You downloaded a 32-bit driver on 64-bit Windows | Re-download the x64 version from the chipset maker. | | “Windows cannot verify the digital signature” | Windows 7 64-bit enforcing driver signing | Use F8 → “Disable Driver Signature Enforcement” during boot. | | Adapter disconnects every 5 minutes | Windows 7 power management is turning it off | Go to Device Manager → Properties of the adapter → Power Management → Uncheck “Allow the computer to turn off this device.” | | Code 10: Device cannot start | Corrupt driver or hardware conflict | Uninstall the device from Device Manager, unplug USB, restart, then reinstall driver. | | Slow speeds (only 54 Mbps, not 150+) | Driver defaulted to 802.11 G mode | Go to adapter properties → Advanced tab → Set “Wireless Mode” to “IEEE 802.11 b/g/n” |
Open (Click Start, type devmgmt.msc , and hit Enter). 802.11 N Wlan Usb Driver Windows 7 64 Bit Download