Hi,
I've this lap, Inspiron 15R 5520, for 3 years now. I've a problem with my wifi for 2.5 years. This problem is getting bigger from time to time.
I hope I could fix it.
First, when the problem started, when I just remove the lap from a place to another, the connection become limited, and all other wifi options won't appear, when I disconncect from current network it disappears.
The only solution is to troublshoot so that they disable the wifi adaptor and it won't enable... I then restart the lap, and enable it and works.
After that when I disable the wifi myself, I may need to restart the computer several time before it works again. The wifi doesn't appear under bluetooth in connections.
After that "now", I need to put the charger, don't know why either, sometimes the wifi adaptor disables and in the troubleshoot it says there is a problem in the hardware or drivers. I try to disable the adaptor from the device manager, but nothing happens.
Also, it sometimes says your dns server might be unavailable.
This problem is the main problem that makes me want to change the lap, if I could solve it, I'll upgrade the lap.
Hope you can tell me whether the problem is hardware or software.
Hope to hear from you soon.