One computer has 3mb/s, the others have 30mb/s

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Papergami45

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May 1, 2016
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Recently, I had to reset my PC. Soon after that, my internet speeds have become dramatically slower than what they were before. I was getting about 30mb/s (about half of what I'm paying for, I'm living in a rural area so internet here is a shitfest), and I'm now getting about 3mb/s, whilst other computers in my network are keeping at 30mb/s. I have ran malware scans, reset crap forums told me using CMD, and gone through every PID there is on the computer, and NOTHING I can find is doing this. I just reset my computer and I can't reset it again, unless I can somehow do that without losing any files or programs. I need to have a usable speed again. My ISP, BT, refuse to help, as we're using a Netgear router and not theirs. By the way, I'm connected via ethernet through wall sockets, same as all the computers getting a higher connection, and I've tried using a wifi adapter, to no avail. I've also updated my drivers for the ethernet which are Killer 2200 I believe.

I've gone through every forum post I can find and tried every fix I can find. Please help.
 
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Ralston18

Ralston18

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Oct 11, 2014
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Wall outlets - meaning RJ45 ethernet ports?

If RJ45:

Does not take much to degrade the conductivity and, as a result, the connection speeds.

First try another known working ethernet cable between your wall outlet and PC. And/or move another known working computer into the place of your problem PC. The overall idea being to see if the problem stays with your PC or with the wall outlet in question.

Open up the wall outlet and verify that all of the wires are securely and tightly in place. Look very closely.

Then check the other end of the wire serving that outlet. The wire should likewise be securely and tightly in place at the patch panel.

Inspect as much of the wire run between the patch panel and wall outlet as you can. Look for signs of damage, rodent chews, kinks, twists, bare metal showing, etc..

If not RJ45 do you mean powerline adapters? Believe that you would specifically have said that but best to be sure.
 
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Papergami45

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May 1, 2016
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Thanks and sorry for my slow reply - they are powerline adapters, I didn't know the term, apologies, and I should've specified further. I have changed the port these adapters are plugged into and switched to wifi, neither change the speed dramatically if at all.
 
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Ralston18

Ralston18

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Oct 11, 2014
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Are you using any surge protectors or power strips on the slow computer?

I.e, the power line adapter being on the power strip along with other devices sharing the strip.

Powerline adapters are intended to be power/wall outlet directly to PC.

Try swapping things around. Determine if the problem follows the "slow" PC or some other factor.

 
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Papergami45

Commendable
May 1, 2016
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The powerline adapter is plugged directly into the wall not through an extension lead or surge protector. The PC however is plugged directly into the surge protector. I am currently in the process of swapping things around - I will be completely moving the location of the powerline adapter to a wall outlet somewhere else and running my ethernet cable to it. Will have updates later today most likely.

 
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