No battery detected and no WiFi hardware detected

I replaced the old battery with a newer one, but now the battery indicator light doesn’t light up when pressed and the computer will only start up if I have it plugged in. Once started up it tells me that no battery is connected and that no WiFi hardware is installed.

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Let’s get a better view of things, install this gem of an app! CoconutBattery take a snapshot of the apps main window and post it here for us to see Adding images to an existing question

Do two snaps one with the charger plugged in and a second after you disconnect it (wait a few minutes).

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