1.    01 Feb 2016 #1
    Join Date : Mar 2015
    Posts : 115
    Windows 10 64-bit

    Bad WiFi signal, any physical mod I can do?


    My laptop's WiFi is very weak, and sometimes it just loses it.
    No more warranty. I believe it's hardware related and not driver or software.
    If I can reach the network card, is it possible to maybe mod it, add some antenna to it, a wire, or anything you can think of to increase the signal?

    Thanks
      My ComputerSystem Spec
  2.    01 Feb 2016 #2
    Join Date : Aug 2015
    Posts : 611
    W10 Home 1703

    There are more reasons for poor wifi reception than just a poor or defective antennae in the laptop (a rare problem BTW).

    The system starts with your router, or modem/router, or whatever you are using to broadcast the wireless signal to all your devices. This is where you should start when diagnosing this problem.

    You could be in your own home and using your own router, or in a college dorm and using your building's router, or in a coffee shop using theirs. But in any case it comes down to the type and age of the modem, it's wireless protocol, and your distance from the router (A wireless g signal does not travel as far as a wireless n signal).

    Next comes interference - electromagnetic signals and reflective materials that interfere with the wireless signal. Steel framed walls and wireless phone systems are notorious problem makers.

    And then there is bandwidth traffic. If you live in an apartment complex with many individual routers in the vicinity, and many are using the same wireless channel you are, then you will get poor performance.
    There are programs you can install that will sniff out the wireless traffic in your area and help you to decide which channel is best to be on for less interference.

    Bottom line: we need a lot more information in order to help you with your particular problem. The more information you give up, the better help you will get.
      My ComputerSystem Spec
  3.    01 Feb 2016 #3
    Join Date : Jul 2014
    Serbia
    Posts : 10,453
    W10 Insider + Linux

    Something like this could help if you are sure that the on the laptop is no good: 150Mbps High Gain Wireless USB Adapter TL-WN722NC - Welcome to TP-LINK
      My ComputersSystem Spec
  4.    01 Feb 2016 #4
    Join Date : Mar 2015
    Posts : 115
    Windows 10 64-bit
    Thread Starter

    Quote Originally Posted by TV2 View Post
    There are more reasons for poor wifi reception than just a poor or defective antennae in the laptop (a rare problem BTW).

    The system starts with your router, or modem/router, or whatever you are using to broadcast the wireless signal to all your devices. This is where you should start when diagnosing this problem.

    You could be in your own home and using your own router, or in a college dorm and using your building's router, or in a coffee shop using theirs. But in any case it comes down to the type and age of the modem, it's wireless protocol, and your distance from the router (A wireless g signal does not travel as far as a wireless n signal).

    Next comes interference - electromagnetic signals and reflective materials that interfere with the wireless signal. Steel framed walls and wireless phone systems are notorious problem makers.

    And then there is bandwidth traffic. If you live in an apartment complex with many individual routers in the vicinity, and many are using the same wireless channel you are, then you will get poor performance.
    There are programs you can install that will sniff out the wireless traffic in your area and help you to decide which channel is best to be on for less interference.

    Bottom line: we need a lot more information in order to help you with your particular problem. The more information you give up, the better help you will get.
    I am almost sure it's the antenna or a hardware problem since there are more WIfi receving devices ( more laptops, tablets etc), and only in this laptop, it sometimes has a really weak WiFi signal, to the point all the networks suddenly disappearing and I am not able to find any network for quite some time. (Even when I turn all other devices WiFi off)

    Quote Originally Posted by CountMike View Post
    Something like this could help if you are sure that the on the laptop is no good: 150Mbps High Gain Wireless USB Adapter TL-WN722NC - Welcome to TP-LINK
    Thanks , I think that this is what I'm probably going to use if I won't be able to do any internal surgeon to the laptop
      My ComputerSystem Spec
  5.    01 Feb 2016 #5
    Join Date : Aug 2015
    Posts : 611
    W10 Home 1703

    Have you tried opening up the laptop and visually inspecting the wifi card?
    You can see if it has crud all over it (blow it out), or if one or both of the connecting wires is loose or corroded.

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      My ComputerSystem Spec

 


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