Hello,
I will be happy to help with your wireless issue. However, that is difficult as you didn't leave a lot of information to work with. I have included a few links below depending on your operating system.
HP Notebook PCs Troubleshoot Lost Internet Connection on Wireless Network...
HP and Compaq Desktop PCs Troubleshooting Your Wireless Network Windows...
HP PCs Troubleshooting your wireless network and Internet connection...
HP PCs Troubleshooting Wireless Network and Internet Windows 8
Here are a few additional wireless troubleshooting steps that you can try:
Power cycle the network:
1. Shut down your notebook.
2. Unplug the power to your router.
3. Unplug the power to your modem.
4. Wait at least 45 seconds.
5. Plug in the modem, and wait for it to come back online.
6. Plug in the router, and wait for it to come back online.
7. Turn on your notebook, and test your connection.
Reset the TCP/IP settings:
1. Go to your start screen/menu and type CMD.
2. Right click on the command prompt icon and chose Run as administrator.
3. In the window that opens type "netsh int ip reset resetlog.txt" without quotes, and press enter.
4. Restart your PC and test.
Reset the winsock catalogue:
1. Go to your start screen/menu and type CMD.
2. Right click on the command prompt icon and chose Run as administrator.
3. In the window that opens type "netsh winsock reset" without quotes, and press enter.
4. Restart your PC and test.
Change power management option for your wireless adapter:
1. Open Device Manager.
2. Expand the Network adapters.
3. Right click on the Ethernet/Wireless Adapter and click Properties.
4. Click the Power Management tab.
5. Remove the check mark beside Allow the computer to turn off this device to save power.
6. Click OK.
7. Test.
Forget the Network and reconnect (Windows 8):
1. Press Windows Key + C
2. Click Settings.
3. Click Change PC settings.
4. Click Network on the left.
5. Click Manage known networks.
6. Click the network name.
7. Click Forget.
8: Reconnect
Thank you,
BHK6
I work on behalf of HP