May 23, 2012 I was told to uninstall the Ralink 802.11n Wireless LAN card driver and reboot. Once I did this the network adaptor driver reinstalled and wifi Internet connection was re-established. The problem is I can't keep doing this every 3 out of 4 times I start up my desktop. For automatic identification and 802.11 usb wireless lan adapter driver, we strongly recommend to download and install the Driver Update Tool – it will help you to get the correct latest drivers for all of your devices and avoid conflicts and improper work of your system.
![802.11 Usb Wireless Lan Card 802.11 Usb Wireless Lan Card](/uploads/1/2/6/0/126067193/838895769.jpg)
Hi,
Method 1:
Uncheck Allow computer to turn off this device to save power option.
![802.11 Usb Wireless Lan Card 802.11 Usb Wireless Lan Card](/uploads/1/2/6/0/126067193/541211066.jpeg)
a.Open device manager.
b. Find and expand Network adapters heading.
c. Locate and highlight your wireless adapter
d. Right click on it and select Properties
e. On menu click on Power Management
f. Uncheck where it is Allow computer to turn off this device to save power
g. Click OK
If the steps in method 1 do not work, then please follow the steps mentioned under method 2.
Method 2:
Ralink 802.11 Usb Wireless Lan Card
You may temporarily disable security software’s and check if the issue persists. Make sure to enable those security software's on the computer after checking.
If disabling the security software resolves the issue then, please contact the specific security software manufacturer to resolve the issue.
802.11 Usb Wireless Lan Card #2
Important Note: Antivirus software can help protect your computer against viruses and other security threats. In most cases, you shouldn't disable your antivirus software. If you have to temporarily disable it to install other software, you should re-enable it as soon as you're done. If you're connected to the Internet or a network while your antivirus software is disabled, your computer is vulnerable to attacks.