I have a Dell laptop(Newly Bought). My laptop doesn't recognize my Samsung Galaxy J7 max phone when plugged in via USB. Neither my laptop nor my phone recognize it. It doesn't even tell anything that 'couldn't connect' or 'problem while connecting USB' or something. It simply doesn't acknowledge that my phone is connected. However, the phone will still charge when I connect it to the laptop.
It used to work fine up until a few days ago. But when I tried today it doesn't work. In-between I did the following things:
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Inserted an SD-card in my phone.
Copied files from my friend's Laptop to my 'phone' (not SD-card) and vice-versa.
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Restarting the Laptop as well as my Phone
Changing the USB cable.
Connecting other phones to my Laptop. They all work fine. My laptop nicely recognizes them.
Trying my phone on another computer. My phone is nicely detected on my windows 7 desktop PC.
Downloading the Samsung USB driver for windows and re-installing them.
After all these attempts, the issue still remains. It seems somehow the problem is specifically with 'the connection of My phone and Laptop'. They both seem to go nicely with other devices.