Surface Pro 3 - Windows 10 - WiFi (slow or limited connectivity )

Anonymous

Have a Surface Pro 3 that worked fine till I updated to Win10. Now the wireless connection seems to randomly go to a "limited connectivity" mode. Fortunately was purchased from Costco a coupe of weeks ago so it is going back there if we can't get this figured out by Sunday.

The Surface Pro3 is a flagship device - why in the world would you subject your customers to have to resort to looking for help in forums like this?

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Anonymous

Everyone,

Build 10586 - the November Windows 10 update - was released yesterday, and it contains a newer Marvell wireless driver 15.68.9032.47 - people are reporting that this greatly improves wireless connectivity. Please download the large update, and if you used the registry hack, reverse it as follows:

Press Windows button. Search for regedit. Open it

Navigate to the following path:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\mrvlpcie8897

Find the item labeled “TXAMSDU”. Double tap and modify the value from 0 to 1
Restart the machine

Then test your connectivity, and post results.

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Anonymous

Fred,

the November Windows 10 update to build 10586 has new wireless drivers. Can you download and install the update (it should be offered via WU) and let us know if this changes your connectivity?

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Anonymous

Penny,

These kinds of issues WERE present on 8.1 for months but they mostly all cleared after several driver updates.

And that particular router is not one known to exhibit slow wifi. I'm suggesting you trade it because it is SP new and you can now get one with 10 pre-installed and not have to go through an upgrade AND because you have this issue. Getting it swapped will rule out a hardware issue and would be a step forward.

This is what *I* would do if in this situation.

For what it's worth - Microsoft needs to fix the driver and any underlying Win 10 OS issues. It took them 9 months to get a "good" Windows 8.1 wireless driver. For now, consider an external USB wireless adapter. I carry around a http://www.amazon.com/Edimax-EW-7811UTC-Dual-Band-Connectivity-Exceeding/dp/B00FW6T36Y

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417 additional answers

Anonymous

2015-09-21T10:08:09+00:00

The 802.11d channel specification is not going to be "fixed" as far as Microsoft is concerned, this is an FCC regulation and legally binding. Microsoft won't even offer international travelers a way to configure their Surface tablets for the country they are currently in. The regulation reads that out of the box, 802.11d cannot be configured. The reg says nothing about offering software to adjust to the current regulatory domain AFTER shipping a device. But I suppose the MS lawyers don't travel and don't get it.

That said, with mismatched regulatory domain devices, the issue would not be speed/slowdowns, it would normally be no connectivity on the non supported channels.
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Anonymous

2015-09-21T05:45:10+00:00

Next I completely disabled the internal Marvell adapter and plugged in a USB AC1200 network adapter and the Surface performed flawlessly with both routers on the AC 5G band and I got true 822mbps connection speeds.

I think it may help to see more detail on that option. For example, I'm wondering if it is a still a wireless solution or is it completely wired?

FWIW you have just made me realize that going wired might solve my VM problems. So, in that case I would need to know if this product would work in my USB 2.0 hub? ; )

http://www.microsoft.com/surface/en-us/support/hardware-and-drivers/usb-to-ethernet-adapter?os=windows-10#Connectw10
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