1. Diana Melamet's Avatar
    I have seen similar issues, tried some of your suggestions, but to no avail.
    Marvell avastar wireless ac network controller keeps failing all the time, rendering the device useless.
    Any clues?
    Finally...
    After doing the reset network several times, and reinstalling driver several times, something clicked and it began to work. Windows, right?
    Then, it installed some drivers... And failed again. Back in square one.
    Please, help!
    Last edited by Diana Melamet; 08-21-2017 at 08:15 PM.
    fdruid likes this.
    08-19-2017 06:29 PM
  2. Diana Melamet's Avatar
    Still in the same situation. Despair is beginning to set in. Really don't know what else to try, short of crying out loud.
    09-05-2017 01:48 PM
  3. Grodelj's Avatar
    Did you try to reset/reinstall windows completely?
    09-14-2017 02:36 AM
  4. Diana Melamet's Avatar
    Yes, I did reset. Driver worked fine until first update.
    Now the thing is working... don't know why. I am scared to even turn the Surface off!
    09-19-2017 02:01 PM
  5. Diana Melamet's Avatar
    I am again in the same predicament. Well, serves me right for getting a Microsoft thing, I suppose. I loved the machine, but it does not love me back!
    If somebody comes up with a possible way of fixing it, would you write to me?
    Thanks!
    10-08-2017 10:47 AM
  6. Diana Melamet's Avatar
    The problem seems to be connected to the charging, as the WiFi only works when plugged in!
    The plot thickens...
    Again, if anyone happens to come by and maybe knows the whys of the mystery, feel free to whisper in my ear.
    10-12-2017 08:18 PM
  7. Wan Firas's Avatar
    Just to make sure, when you uninstall the driver did you delete the driver software too? Then, did you restart first before reinstalling?
    10-12-2017 10:48 PM
  8. Diana Melamet's Avatar
    Noooo. I think I reinstalled without restart. That was last time, at least. And then, it checked for updates and installed Avastar drivers and restarted.
    10-15-2017 10:16 AM
  9. Grodelj's Avatar
    You are saying that when plugged to power, wifi is working ok? And on battery it doesn't work?

    Did you check all possible power settings? I think this could be a power saving problem.
    10-15-2017 05:20 PM
  10. Diana Melamet's Avatar
    I just did. The only setting is set to “never”, so it should not turn off the WiFi...
    The driver keeps disappearing and malfunctioning intermittently.
    10-15-2017 05:55 PM
  11. Wan Firas's Avatar
    I would recommend to uninstall the driver with "delete the software" option. Then restart. Only after that you update the driver.

    Just to rule out bad software driver copy.
    10-27-2017 12:29 AM
  12. Diana Melamet's Avatar
    I have done that a couple of times. Still erratic behaviour and crash of the driver every now and then. Turns my Surface in an utterly unreliable machine.
    Thanks for helping!
    10-27-2017 08:12 AM
  13. Diana Melamet's Avatar
    New update today.. so again the Marvel driver fell down. Really weird.
    And nobody seems to have the same issue... or know how to solve it.
    12-12-2017 07:06 PM
  14. planetf1's Avatar
    Similar issues here. Tried insider build.. a full reset to stock.. a cloud recovery (even this has issues with wi-fi during the process).

    Meanwhile two identical surface pros are working fine on same network.

    Just can't resolve so it's being sent back to Amazon (we'd go will offer refund) or Microsoft (repair.. until end Jan). Just watching new model prices to decide whether to have sorted or move to new model
    01-08-2018 06:06 PM
  15. Diana Melamet's Avatar
    Wow! What did you do? Amazon or Microsoft?
    Because it did not seem a hardware issue, I did not send it back... So I am stuck with a terrible machine, almost useless, randomly disconnecting.
    Also, Microsoft is not available fisically here in Argentina, so I dont have anyone trustworthy to check my Surface.
    Would like to know what you did in the end. Bye!
    Yesterday 03:15 PM

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