Windows 10: Why my download and upload speed are limited to 94 MBPS?

I am stocked with a 94 MBPS download and upload speed. I tried all possible troubleshooting but still shows the same result every time I run a speed test. My ISP told me that I should get at least 400 MBPS which my other laptop did and all other devices that are connected to the modem. I already contacted my ISP tech, and they checked the modem and found nothing unusual with the modem, I believed them because as I mentioned my other laptop works fine in terms of download and upload speed. Please help me, I have been suffering with this for almost a year now, I am working at home so I need a

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Sudden large disparity between download & upload speeds.

(First post: Win 10 1809) Hello. I have encountered what seems to me to be a strange phenomenon: Recently upgraded to "1000 Mbps" fiber internet provider. Initial speeds for both download and upload speeds spread across the 900's, with upload speeds consistently a bit higher than download speeds. Yesterday one desktop seemed to have internet connectivity issues. I noted that the desktops Ethernet connection had for some reason adopted the name of one of our wireless routers: What had been "Network 2" was now "(SSID) 2".

This Dell XPS desktop (Win 10 Pro 64b, Version 1809) has both wired and wireless network connections, with the later used to connect to various peripherals. When I checked into Speedtest.net, Download speeds remained in the 900's, but upload speeds dropped below 50 Mbps. I went though various network troubleshooting steps and a number of restarts, this disparity persisted. Other than the lack of a name change to wired network connection, this disparity was also obtained on another desktop on the same network. However, speed checks on iOS tablet reveled no disparity whatsoever, suggesting that the phenomenon is limited to Windows machines.

Given my naive and limited understanding of Windows networking, I was hoping someone might help me to better understand the issue and, perhaps, suggest a fix.

 

slow upload speed

I'm embarrassed I didn't think of plugging the ethernet into another computer. Anyway, the result is that the speed on a laptop with the same cable is 91 Mbps download, 39 Mbps upload.
A couple of other puzzles: One is that the download speed on my desktop was around 900 Mbps, which is insanely fast, but the upload speed was under .2 Mbps. Now, after going through several of these iterations of remedies, the upload speed is still extremely slow, but the download speed is now around 32 Mbps, which is about 4% of what it was. But to my surprise, with a download speed of around 30, I don't notice too much difference for what I do. Anyway, awaiting your next suggestion.

With regard to re-installing Windows 10, even with keep my files this seems to be way over the top, as it removes apps and drivers. I find that a bit terrifying.

 

Upload speed under 1 mbps on ethernet

So I have gigabit internet and have never had a problem on my computer until about a month ago but I haven't had the time to figure it out till today and all that I have done is make the problem worse.

I had an issue where my download speed was 800-900 range which is what I expect, but my upload speed was anywhere from .10 - 1.5mbps

Today I made sure it wasn't the cable/router itself so I plugged the ethernet cable that's in my PC now into one of my laptops and the download and upload were where they should be.

I followed the advice listed in those two links below and all that has come from it was my download speed is now anywhere from 20-130 mbps... and my upload hasn't gotten better at all.

I don't how the problem has gotten worse but anything else I could do?

Thanks in advance!

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