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windows can`t load network adapter driver after a thunder

  1. #1


    Posts : 2
    win8 enterprise n

    windows can`t load network adapter driver after a thunder


    hi,
    Windows can`t load my network adapter (Atheros AR8121, integrated on motherboard ) driver after last thunderstorm.
    The router went dead, and was replaced with a new one.
    I`ve tried reinstalling the driver, resetting BIOS , and still no change;

    can anybody help me, please?
    thanks!

      My System SpecsSystem Spec

  2. #2


    Uninstall the card in Devices, reboot and see if Windows finds the adapter. If not you could pick up a USB wifi dongle on the cheap...
      My System SpecsSystem Spec

  3. #3


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    It was likely also damaged in the thunder storm. Lightning strike would be my guess. One way around that, if its a desktop PC, is to disable it in the BIOS and add a network card. If it's a laptop, use the WIFI adapter instead.
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  4. #4


    Central IL
    Posts : 3,468
    Linux Mint 17.2


    Same thing with flat screens attached to DVR's or STB's with an HDMI cord. Even if you had a whole panel Surge protector, Lightening will always find another way into the house wiring, to destroy stuff.
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  5. #5


    Posts : 5
    XP


    Quote Originally Posted by dclot08 View Post
    Windows can`t load my network adapter (Atheros AR8121, integrated on motherboard ) driver after last thunderstorm.
    The router went dead, and was replaced with a new one.
    First learn from the experience. A direct lighting strike far down a street could be incoming to all household appliances. All were damaged? Of course not. It is electricity. To have damage, a surge must have an incoming path AND a completely different outgoing path to earth.

    In your case, the surge was incoming to all appliances and hunting for a best connection to earth. It found one destructively into a computer. out via the NIC, into the router, and out to what would already be properly installed protection (for free by the telco or cable guy).

    What in that path fails? Damage is often on an outgoing path. That would be a computer's NIC and modem. Other parts that carried that same current were more robust and not damaged.

    Without a 'whole house' protector or that (and this is what most forget to learn) iit s not properly earthed, then a surge incoming on AC mains was probable. This time a modem and PC protected other household appliances. What will protect them next time? Another appliance? Or a 'whole house' protector that earths direct lightning strikes without damage even to the protector? That costs about $1 per protected appliance.

    No protector does protection. Protection is always about where hundreds of thousands of joules harmlessly dissipate - outside and in earth. Only then will a next surge not seek earth ground destructively via some appliance - a modem, dishwasher, air conditioner, clocks, etc.
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  6. #6


    Posts : 2
    win8 enterprise n


    everything was earthed, maybe it`s ISP`s fault, definitely not mine.

    after reinstalling the driver my network adapter appears in dev. mgr., but with status 'not working properly (code 31)',
    also, after the storm 2 unknown devices appeared in 'other devices' category. and reinstalling the driver doesn't affect these.
      My System SpecsSystem Spec

  7. #7


    Funny things can happen with nearby lightning strikes. Once I lost a dial up modem and amplifier for computer speakers at same time. Rest was in perfect order.
    Cable routers and modems are vulnerable and direct strike even far away can make mess far down the line.
      My System SpecsSystem Spec

  8. #8


    Posts : 5
    XP


    Quote Originally Posted by dclot08 View Post
    after reinstalling the driver my network adapter appears in dev. mgr., but with status 'not working properly (code 31)',
    also, after the storm 2 unknown devices appeared in 'other devices' category. and reinstalling the driver doesn't affect these.
    Devices must be removed before corrected. Remove all defective device drivers BEFORE reinstalling any driver. Remove those unknown devices AND the network adaptor driver. And then reboot so that the OS reloads each driver.

    If you did not install a 'whole house' protector, then everything is not earthed. Reread that previous post. If any appliance is earthed, then it violates code. Appliances must be safety grounded; not earth grounded. Every wire inside every incoming cable must connect to earth - either directly (cable TV, antenna, satellite dish) or low impedance (ie 'less than 10 feet') via a protector (AC electric, telephone).

    Your AC is not properly earthed if you did not properly install a 'whole house' protector - as stated in the previous post.

    Defined is why damage may have occurred. In part, because your internet provide DID properly earth. And because you did not finish the earthing as required on every other incoming cable (including invisible dog fence).
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  9. #9


    Posts : 5
    XP


    Quote Originally Posted by CountMike View Post
    Funny things can happen with nearby lightning strikes. Once I lost a dial up modem and amplifier for computer speakers at same time. Rest was in perfect order.
    Nothing strange about that. That is how surges do damage. A surge incoming to everything only damaged few items that made a best connection to earth.

    Normal is for a lightning strike on AC mains to enter a TV, pass through many internal parts, and exit via its HDMI port. Only damaged is an HDMI port (a connection to earth via the TV cable). Surges pass through many items. But only the weakest item in that electrical path is damaged. HDMI is often damaged by a direct strike to AC mains.

    Modems are often damaged on their internet port because the surge was incoming on AC mains. And the best outgoing path to earth was via the modems internet port. Remove the modem and a next damaged appliance might be a dishwasher. Because the dishwasher is no longer being protected by that modem.

    Lightning is only strange when one forgets what all were taught about Franklin's lightning rods.
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  10. #10


    Trnava
    Posts : 683
    Win 8.1.1 Pro x64


    Quote Originally Posted by westom View Post
    Modems are often damaged on their internet port because the surge was incoming on AC mains. And the best outgoing path to earth was via the modems internet port.
    Surge protections include an ethernet protection as well. I have one myself, it is worth to pay $20 to protect appliances worth a few hundreds/thousands, it works forever, unless it gets hit (work done), then replace it.

    https://www.youtube.com/watch?v=NzG7A9m1Sys
      My System SpecsSystem Spec

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