Extremely Slow WiFi Speeds

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nchurik

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Apr 11, 2009
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I'm having a really odd issue with my laptop. I will have periods of time (all times of day) when I get 2-3Mbps down but will still get my full 20-25Mbps up. During those times, other devices connected via Wifi (phone, other laptop) in the same room get the normal 75-150Mbps. It randomly comes and goes as other times it will be just fine.

I thought maybe it was a malware issue but I just wiped the drive and clean installed Windows and I'm still having the same issue. The laptop is a Dell XPS 15 9550 that I bought in early 2016. All drivers are up to date on the laptop and the router and I've power cycled everything though I don't think that would be the issue because other WiFi devices are just fine during the same periods.

At a total loss. Is it possible the WiFi card is bad? Log below.

Tech Support Guy System Info Utility version 1.0.0.4
OS Version: Microsoft Windows 10 Home, 64 bit
Processor: Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz, Intel64 Family 6 Model 94 Stepping 3
Processor Count: 8
RAM: 8053 Mb
Graphics Card: DisplayLink USB Device
Hard Drives: C: 225 GB (175 GB Free);
Motherboard: Dell Inc., 0N7TVV
Antivirus: Windows Defender, Enabled and Updated
 

TerryNet

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Is it possible the WiFi card is bad?
Yes, it's possible. But first make sure you have the latest driver from Dell's web site. Do not rely on whatever Windows wants to install.
 

nchurik

Thread Starter
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Apr 11, 2009
Messages
35
Yes, it's possible. But first make sure you have the latest driver from Dell's web site. Do not rely on whatever Windows wants to install.
I do have the latest drivers from Dell. It seems crazy for a card to go bad in under three years, what are my options should that be the case?
 

TerryNet

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It seems crazy for a card to go bad in under three years, what are my options should that be the case?
Replace it (if it is easily accessible) or use a USB wireless adapter.
 

nchurik

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Apr 11, 2009
Messages
35
Replace it (if it is easily accessible) or use a USB wireless adapter.
I'm thinking it has to be the card given I've got latest drivers and just clean installed Windows. It looks like it's pretty easy to replace so that's the route I'm going.
 

managed

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What wireless card is in there now ?
 
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