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I am facing some Wireless Networking issues here. Experts, take a peep. Laptop Model : Dell Inspiron 11 I spilled water on my laptop screen accidentally (tada!) (not on the side where WLAN hardware is placed, but on the opposite side near power button). I opened every thing up and let it dry for the whole day and then the screen started working. But there's no wireless activity on my laptop. I am not sure about the way I plugged the white and black wires in my wireless card - AC 3160.

  • It has two pins labelled - 1 & 2. Where am I supposed to connect the white and black wires?

I used Device Manager to test whether the Network adapters were okay, and its said all are great! I even used Dell System Auto Detect, that detected every driver and hardware but it showed no problem. I also performed a system reset with the latest recovery available.

  • Instead of showing a wifi logo, it shows a pc logo with a red cross in my task bar. Where's the problem, I don't get it. Can someone explain?
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  • If pins 1 & 2 look like goo.gl/images/t6ekyU it antennas connectors. Most probably it two MIMO chains, in this case it order not too important.
    – Mikhail Moskalev
    Aug 1, 2017 at 11:39
  • So please add OS tag. I suppose it Windows, but which.
    – Mikhail Moskalev
    Aug 1, 2017 at 11:40

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For the wireless card - AC 3160, (1) is black and (2) is white (https://www.ifixit.com/Guide/Dell+Inspiron+11-3147+Wireless+Card+Replacement/61262). Although that shouldn't be your problem. If your wifi stopped working after you spilled water - You probably damaged a section of the board that deals with the wifi circuit. I hope that the antenna cable management fixes your problem.

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