my notebook is hp compaq 6720s and i installed windows 7 on it and installed wireless driver and connected to my home wireless network succesfully but when i put my laptop to sleep and open it again there was no internet access and limited connectivity and i have to restart my laptop please help me with this ?

Hi, You can try to take the following steps to disable saving power function to test the problem. Disable Saving Power==========================1. Click Start, right click Computer and choose Properties. 2. Click Device Manager.3. Navigate to your network adapter, right click it and choose Properties. 4. Choose Power Management tab. 5. Please uncheck Allow the computer to turn off this device to save power.6. Restart the computer and test this issue again. If it works, the issue mostly can be caused by network adapter driver. It is recommended to install the latest driver to fix this problem. Hope it helps.