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

2016-01-19T12:29:31+00:00

My comment is that you need to find out if you have issues at another location with a different router. You REALLY need to find out for certain if it is this particular router, which I suspect is the case. Try a Starbucks or similar, etc.

Well Barb, you may have something. Connecting to a different make and model of router works well. Speeds are ~55Mbps - which is what I wold expect. So the question is, why is the compatibility of my surface/router suddenly compromised? As I say, other devices (Dell laptop, ipad and Sony Z2 smartphone) have experienced no such issue.

Additionally, is MS prepared to publish a list of non-compatible routers for the surface for new purchasers and compatible ones for existing customers?

Interesting

J
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Anonymous

2016-01-19T12:18:23+00:00

My comment is that you need to find out if you have issues at another location with a different router. You REALLY need to find out for certain if it is this particular router, which I suspect is the case. Try a Starbucks or similar, etc.

Interesting. Why would this router suddenly be slow? My Dell laptop has no issue and I have been using both for over a year now. The only thing that has changed......Win10! However, I have another router in my house. So I will try that.

By the way, if I did venture to Starbucks, and joined the wifi, how would I know if the speeds I attained were fast or slow?

J
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