If you’ve installed the driver but the connection is still poor, check these Windows 7 settings:
Ensure your router is set to WPA2-AES. The 802.11n standard requires AES encryption to reach maximum speeds; using older WEP or TKIP will throttle you to legacy speeds. Conclusion 80211n wlan driver windows 7 32 bit exclusive
The "Limited Connectivity" yellow triangle. Slow Speeds: Getting 54 Mbps on a card capable of 300 Mbps. If you’ve installed the driver but the connection
Point it to the folder where you extracted the driver files. Troubleshooting "Exclusive" Connection Issues 80211n wlan driver windows 7 32 bit exclusive