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Laptop killing internet connection

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5 REPLIES 5
Popular Poster

Everytime I connect my laptop to my home wi fi I lose internet connection across all devices. As soon as I turn it off the internet comes back. 

It doesn't make any difference if I disconnect other devices first either.

Kozbog
Popular Poster
Just to add that a wired connection works fine
Kozbog
Community Team - TT Staff

Hi Kozbog,

 

How does the laptop connect to the router, Ethernet cable or wifi?

 

When you say that you lose Internet on other devices, are you unable to connect to the internet at all, do you get an error message, or is just that the performance is really poor?

Chris

Popular Poster
Hi,
The laptop normally connects via wifi but I have also tried using an ethernet cable. When its connected I have internet for a few minutes but then I lose it on all devices including the laptop.
When I ran the troubleshooter I got an error message stating DNS server unavailable. As soon as I disconnect the laptop I can access the internet again. The laptop works fine if I use wifi elsewhere
Kozbog
Community Team - TT Staff

Hi Kozbog,

 

Is there any application on the laptop that could be running an automatic backup to an online server? Just wondering if when your router connects to the Internet it resumes an upload that could be using all the upstream bandwidth, this can affect downloads on all devices


Chris

Problem Solver

Hi

Hi-Jack, trojan?

 

https://support.kaspersky.com/viruses/krd18

OR

https://www.malwarebytes.com/mwb-download/

ELSE

 

Double check that the Laptop is not attempting to change GATEWAY or DNS values.

 

If in doubt please ask.

 

I know nothing about BroadBand, but that does not stop me trying, and I am trying.