Looking for WiFi solution

Feb 23, 2018
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My Toshiba L15W-B1302 was connected to home broad band WiFi and then the WiFi stopped working after 2 weeks ,its came back after some hours.its happen again after 2 days WiFi not connected and it does not recognised my network,but can see most my neighbouring network. And I was able to connect to another WiFi. I contacted my provider's and they insist the fault is not from them because the same WiFi is connected to my phone