To isolate this further: Try turning off or temporarily disconnecting any other devices that are using the same Internet connection. Close all other applications on your computer, and then test the connection speed again. Check to see if the problem occurs within a specific application.

2) Go to Device manager then uninstall the wireless drivers from Network Adapter and restart the unit and check if the light turns on. 3) Try doing a system restore to the date where unit was working fine. 4) Please update the Bios & Wireless driver from HP website.
In this video, I will show you how to fix Windows 7 WiFi. 1. Right-click on the network icon and click on Troubleshoot Problem.If you have a software problem Turning off Airplane Mode does not automatically turn on Wi-Fi. When the panel labeled Wi-Fi is still gray, touch or click the Wi-Fi panel (the panel should turn from gray to blue, and should look like Figure 1). When Airplane mode still cannot be turned off after restarting the computer, go to Step 13. Figure 1: Wireless Icons Example Settings
But still the wireless-button is not working. The wireless netork i working tough but in case of lost connection the wireless can't reconnect. In this situation the button is a good tool to use to reset the connection. But I just can't get it to work. The computer is a HP Elitebook 840 G3. Please help!
Reboot, No wifi adapter showing any connections. Went to another laptop and downloaded the correct drivers for the specific laptop installed rebooted and still no adapter. Last resort I reinstalled windows while keeping files. let it run came back the next morning and still the airplane mode is on and there is no wifi adapter. 1) Disconnect the Battery & Adapter then press & hold the power button on Notebook for 30 seconds then turn on the unit and check if the Wireless light turns on. 2) Go to Device manager then uninstall the wireless drivers from Network Adapter and restart the unit and check if the light turns on. 3) Try doing a system restore to the date where ux2jZo.
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    • hp laptop wifi not working windows 7