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Forum Discussion
Solved
AT&T Unite Pro and Surface Book Wifi Issues
I have a new Surface Book i7/16GB/512GB laptop and I also own a AT&T Unite Pro ( Netgear ) wifi hotspot that I have used with my Surface Pro 2 for almost a year with no issues. With the new Surface B...
Hi Darren,
The solution for this issue was posted on Microsoft's Surface Book forum here. But it does seem to fix the problem
Seems to be a Windows 10 Marvell Wifi driver issue.
if this does not work, change the parameter back.
1.Press Windows button. Search for regedit. Open it
2. Navigate to the following path:
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\mrvlpcie8897
3. Find the item labeled “TXAMSDU”. Double tap and modify the value from 1 to 0
4. Restart the machine
Cause:
Microsoft states there a known issue with the .41 Marvell driver that results in low throughput with specific access points. The issue is specific to MAC layer aggregation (AMSDU over AMPDU) and only impacts a small subset of access points. They state they are working on a fix for an upcoming update. Until the fix is available, please update the registry key setting to work around this issue
Orgbrat
Hello Orgbrat
Does this just happen when using surface and not other devices? have you tried to tether it to see if it is having the same issue. hope to hear your feedback.
DarrenM
Hi Darren, As I stated in my original post this only happens with the new Microsoft Surface Book. I also have a Surface Pro 2 that I have used for over a year with the Unite Pro and it has worked perfect with no issues what so ever. On a side note the Surface Book works fine with my HTC Windows 8.1 phone as the hotspot. The Surface book only has issues with the AT&T Unite Pro hotspot.
Orgbrat