New PC kills my wifi

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Forums › Desktop computing › New PC kills my wifi

Dulouz

883 posts

Ultimate Geek

#274472 24-Aug-2020 09:57

I've purchased a ex-lease PC. When I hook it up to the wifi network the speed is rubbish and it kills the speed for all other clients using the wifi network. What could be causing this issue?

Amanon

Oblivian

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#2548538 24-Aug-2020 10:12

The PC updating.

Dulouz

883 posts

Ultimate Geek

#2548541 24-Aug-2020 10:15

It's all updated. Whenever I connect using the built-in radio everything turns to custard.

Amanon

Jase2985

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#2548546 24-Aug-2020 10:23

static ip address causing a conflict?

what happens when you use an ethernet cable?

Dynamic

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#2548547 24-Aug-2020 10:25

What changes in speed are you seeing? Perhaps do a speedtest on a 'known good device' with the ex-lease PC turned off, and again with it turned on (and perhaps playing a radio stream so you know it is using the internet but only a tiny bit of bandwidth so as not to significantly affect the speed test).

Can you find the model number of the wifi device? I wonder if its an old G spec device?

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Dulouz

883 posts

Ultimate Geek

#2548551 24-Aug-2020 10:30

Jase2985:

static ip address causing a conflict?

what happens when you use an ethernet cable?

I do have a static IP. Ethernet works great. I've also plugged in a USB wifi radio which also works fine. It's just the built-in radio which is causing the issue.

Amanon

Oblivian

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#2548552 24-Aug-2020 10:32

Also, wasn't there a big issue with wireless drivers auto updating and nuking them over factory supplied.

Dulouz

883 posts

Ultimate Geek

#2548556 24-Aug-2020 10:40

It's a Intel Dual Band Wireless-AC 8260

Amanon

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Dynamic

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#2548557 24-Aug-2020 10:42

That relatively new Intel wifi should work really. Maybe update the drivers with downloads from the Intel web site?

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freitasm

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#2548652 24-Aug-2020 11:50

Intel Dual Band Wireless-AC 8260 drivers.

Also, the question above about static IP is in regards to any static IP on your LAN, not the one provided by your ISP to WAN.

MadEngineer

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#2548698 24-Aug-2020 13:15

What’s the router?

You're not on Atlantis anymore, Duncan Idaho.

Dulouz

883 posts

Ultimate Geek

#2548701 24-Aug-2020 13:19

MadEngineer: What’s the router?

NetComm Wireless - NL1901ACV

Amanon

MadEngineer

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#2548705 24-Aug-2020 13:26

From another device, ping (eg ping 192.168.20.1 -t) both the router and google as you connect that pc and post results.

You're not on Atlantis anymore, Duncan Idaho.

dt

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#2548715 24-Aug-2020 13:48

ive experienced bad performance with new intel wireless chipsets using the windows drivers, try the drivers freitasm posted.

evilonenz

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#2548726 24-Aug-2020 14:00

I've had similar issues with the WiFi adapter in my work laptop (Intel Wi-Fi 6 AX200), updating the drivers solved almost all the issues, including one that was very similar to yours, I'd suggest updating to the drivers @freitasm linked earlier.

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Dulouz

883 posts

Ultimate Geek

#2548777 24-Aug-2020 15:08

evilonenz:

I've had similar issues with the WiFi adapter in my work laptop (Intel Wi-Fi 6 AX200), updating the drivers solved almost all the issues, including one that was very similar to yours, I'd suggest updating to the drivers @freitasm linked earlier.

Thanks - I'll give it a go and report back.

Amanon

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