Solved! WiFi Download Speed Capped at 5Mbps

Dec 21, 2018
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All of a sudden the WiFi download on my personal Dell laptop seems to be capped at 5 Mbps on a connection of 40 Mbps. Laptop is right next to the router. I was getting 40 just few days back.

I'm getting 40Mbps on all other devices & getting 40 on the laptop via Ethernet. Just not on WiFi. Same cap when connected to hotspots as well, so it's definitely something with the machine. The upload seems to be fine.

Things I've tried:
> Update the Wireless card drivers from Intel & Dell's sites to latest.
> Flushed DNS & all the cmd prompt commands to renew everything
> Uninstalled & reinstalled wireless card several times
> Reset the settings on my router
> Reset wifi settings several times

I'm pulling my hair out. Please help.
P.S: I know the difference between MBps & Mbps. All references are in Mbps.

System Info

Windows 10 Pro Version 10.0.16299 Build 16299
System Manufacturer Dell Inc.
System Model Inspiron 5547
System Type x64-based PC
Processor Intel(R) Core(TM) i7-4510U CPU @ 2.00GHz, 2601 Mhz, 2 Core(s), 4 Logical Processor(s)
Installed Physical Memory (RAM) 8.00 GB
Intel dual band wirelss AC-3160
 

Prostar Computer

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Apr 11, 2013
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It's sounding like either a failure with one of the cables or the card itself. You've gone through all the hoops besides replacing it, I think that may end up being your next step.

Did you already check the settings for the card through Device Manager?
 
Dec 21, 2018
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True. That would be the last resort.



Yes, played with all the settings. Probably hardware failure I'm starting to believe.

 
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