Solved Problem with wifi on desktop

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Velink

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Apr 2, 2021
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Hi, I recently upgraded my wifi, it seems to work well on my smartphone, but not so on my desktop and laptop.
My desktop was bought around 2014-2015 and I bought a 802.11n wifi adapter soon after that since the original built adapter has connection problem.
My laptop on the other hand was just bought last year.
 

Velink

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No, I don't see any error, It's just very slow. The desktop would have the average speed around 25mpbs, but declining to just 5mbps after 5 hours.
 

Bastet

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You say you’ve upgraded your wifi, does this mean a new router from your ISP or that you’ve changed providers & they’ve sent you a new router?
Desktops don’t usually have wifi installed as these are not portable. The wifi dongle seems to be 2.4Ghz only as it is 802.11n (to use the 5Ghz you’d need one which uses 802.11ac).
Have you tried a different USB port? Are the Ports USB 2 or USB 3? Is the dongle USB 2 or USB 3 capable?

If you changed ISP then it may be a case of too many users online in your area, this would explain why the speed drops after 5 hours.
 

Velink

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It's kind of trial and error, I found that I have the USB 3 installed.
 

Bastet

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If the desktop is old it’ll most likely have USB 2 - USB 3 have blue plastic block - usb 2 has a black block.
 

Velink

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If there are many users, then why does the speed test results are totally different from the smartphone?
 

Velink

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Apr 2, 2021
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If the desktop is old it’ll most likely have USB 2 - USB 3 have blue plastic block - usb 2 has a black block.
I bought an external USB 3 and plugged it into the existing USB on my laptop, does that count?
 

Bastet

Female. Funny. Gemini.
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It’s just one suggestion of the cause.
The problem may be the USB wifi dongle, is there any drivers for this available?
Check these settings:
 

Velink

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Apr 2, 2021
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Well, it seems to solve the problem so far, but can I have a 24 hour for the speed test before you close this thread? Thanks
It’s just one suggestion of the cause.
The problem may be the USB wifi dongle, is there any drivers for this available?
Check these settings:
 

Velink

PCHF Member
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Apr 2, 2021
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I've just done testing, the laptop seems don't have any problem since I don't use it much unless I bring it to work, which means browsing is minimal.
But this desktop wifi speed fluctuated after a couple of hours, and I have to restart it.
 

Velink

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Apr 2, 2021
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My wifi will always do this weird thing of disconnecting from the wifi, it's kind of nerve wrecking when you are in the middle of important work.
I did a 5 hour turn on, the speed is fairly good.
 

Velink

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Apr 2, 2021
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Around 15 - 20 feet. I guess. I just checked on the router, it's definitely router problem since the router itself use sim card, not the typical fiber optic type, so reception goes bad according to weather. All in all, the speed problem is solved. Thanks.
 
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