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?

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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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

2015-09-12T16:20:16+00:00
not to go too far off topic but
1. Someone at Comcast is inventing terminlogy. The Wi-Fi standard does not include defining type 1, 2, 3 routers. My Resume is on my Blog (linked in my signature) and you will see that I speak with authority.
2. These all in one residential gateway devices are never as good as a stand alone high end DOCSIS 3.x modem and a stand alone router. Comcast is big on these all in one devices for voice and data, but you don't have to go that route. Use their device for voice and buy your own cable modem and high end 802.11AC router if you want the best speeds (not to mention having full control to change settings, etc).
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Anonymous

2015-09-12T16:01:00+00:00

Dursoland - thanks for the input and sorry for my poor choice of words on using "rollback." Definitely not what I was trying to communicate. I'd pulled the file and unzipped, but was having an issue getting the computer to point to it and pick it up. Trying it your way, I was able to get the computer to see and install the .151 driver.

I am happy to report that while 2.4 is still sluggy (10 to mid-teens MBs), I'm seeing 120's to 130's on the 5.0 now.

Definitely a driver issue with the current build of Windows 10 not being able to interoperate correctly with current dual-band routers. Wish they'd fix it, especially for their flagship OS.
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