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Released in 2012, this is a durable PC laptop for the everyday computer user. This model (NP540U3C-A01UB) features a 13" screen, a 500 GB hard drive, 4 GB RAM, a DVD multi-drive and is capable of running Windows 8.1.

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Wifi disconnected or broken

My Samsung laptop had to be torn down and put back together. Everthing is good EXCEPT touchscreen is not working nor wifi is not working. It looks as if the little cables were not connected.

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huntrqueen,

it would be useful if you could provide an higher level of detail about up to which level your laptop was torn down. In my understanding you did not touch the software though, correct?

Focussing on the hardware:

Laptops' wifi antenna generally lives inside the top area of the display lid. it is connected through two cables (generally black and white) to the wifi module which is plugged into the motherboard, under the keyboard. so the said cables run through the hinges' cases of the laptop.

In the same way, a LCD / digitizer connector runs from the display itself to the motherboard through the said hinges' cases.

My rough guess is that whoever tore the laptop down forgot to connect back some connectors. It happens all the time, happened to me as well. If this guy knew what he was doing, it is very unlikely that any part was damaged. Just tear it down again and find the disconnected guys

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huntrqueen さん、ありがとうございました!
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