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Answer to "How to fix Wifi problems?"Check if you can connect to your home network with a 2nd laptop. If you can, then the 1st laptop has something wrong with either the wifi module itself, or the drivers for the wifi module is not installed/the wrong one. For replacing the module, see this guide. For installing the drivers, download them from the HP website using another computer, and transfer it to the 1st laptop via an external storage device.