Windows 10: slow wi-fi using internal dell network card

Asking for help in diagnosing and solving a problem with slow wi-fi speed.


Dell desktop running Windows 10. Spectrum internet.

Using wired connection to Spectrum router, getting almost 400 Mbps download speed.

Using wi-fi with Dell 1705 internal adapter getting less than 5 Mbps.

Other devices getting 80-100 over same wi-fi network.

Tried a USB adapter (Linksys USB6400M-RM2) and getting same symptoms. (download speed < 5Mbps) on both 2.4 and 5 Ghz bands. (Internal card only discovers the 2.4 band.)

I have tried eliminating all other devices from the wi-fi network, and I do not think there is interference from other devices since I get much better speeds with Windows 7 laptop and Chromebook over same network.

It appears that router is working as intended.


How to diagnose? Is my network card defective? Is there a setting in my desktop that is restricting the download speed using the internal card?


Any help appreciated.

:)

 

Slow wi-fi

My laptop, with Windows 10, runs extremely slow on Wi-fi - about 15 Mbps. The warranty dept at Costco is suggesting running Windows 10 back to the factory default. Do you think this will help? I'm thinking it must be a hardware issue, specifically the
network card?

 

Windows 10 stop automatically connecting to random new wi-fi networks


Hi,

I have searched a lot, but all the tutorials I found only explained how to not connect automatically to a known wi-fi network or how to disable wi-fi sense... but this is not what I am looking for...

PROBLEM:

• When my laptop (Windows 10 Pro X64) is not connected to a network and the wireless adapter is on, it will automatically connect to any random new unsecured wi-fi network... The only way I have now to avoid this is to disable my wi-fi adapter.

UNUSEFUL TUTORIALS I FOUND ON THE INTERNET:

• How to manually uncheck the option for a particular wi-fi network not to connect automatically in Network Properties. This is not what I am looking for. This would suggest that everytime I power my computer. I would have to manually go through all the available wi-fi networks and unclick them all...
• How to disable Wi-Fi Sense. This is not useful, because I don't even have a Wi-Fi sense option in my computer where the tutorials say it should be.

EXPECTED BEHAVIOR:

• I am looking for an option to tell my computer to stop connecting randomly to unknown wi-fi networks like an hyperactive, reckless idiot.

PERSONAL COMMENT:

• Honestly, why would any respectable company think that it could be somewhat wise or secure to do this... Anyone's computer could just randomly connect to any hacker's wi-fi network without the user even knowing it...

Any solutions would be greatly appreciated! Thanks!

 

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