Download speed dropping constantly - Wired in

Bluesadventures

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Nov 1, 2013
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Specifically my computer has been having terrible drops in download speed. I'm wired straight into the mobo and modem / router thing. Usually I'm running a smooth 115 - 125 MB/S which is what I'm paying for. Lately though I'm dropping down to around 2-5 mb/s, it's really bad. There's no issues with wifi except for when we have all the devices going and the internet stops, I was told we're just using all the bandwith in that case and quick restart on the router fixes it.

Things I've tried and tested -

Ran virus scans with Malwarebytes and Windows defender
Different ethernet slot on router
Factory resetting router
Using the same cord I use on my desktop and testing it with an older laptop, I was getting 2.6 mbs, plugged it into laptop and it pulled 40 mb/s.
Uninstalled my internet drivers and reinstalled, fixed it for a bit but soon reverted to the low speeds.
When searching for a fix on my own I came across a suggestion of releasing, renewing, and flushing my DNS. Fixed it for a bit but soon enough I was back below 5mb/s.
Finally I had comcast out today, they looked at it, suggested maybe we're again flooding our bandwith too much suggested that maybe we upgrade our package.



Here's the do list -


- Provide us with the make and model of your router

Its a Wireless Gateway 3 from Xfinity comcast model # DPC3941T


- Provide us with the make and model of your modem

It's a 2 in 1 machine, check above.

- Provide us with the exact specifications of your PC (if applicable) including:

- Make and model of motherboard

ASUS Z97-A ATX DDR3 2600 LGA 1150 Motherboards Z97-A

- Make and model of power supply

EVGA SuperNOVA 850G2 80PLUS Gold Certified ATX12V/EPS12V 850W Power Supply 220-G2-0850-XR

- Make and model of USB or PCI Wifi adapter

Built into MOBO
- Operating system and driver version

Windows 10 drivers are 10.0.14393.0 I believe

- You will also need to post your ISP and connection type*.

Comcast xfinity

- You will also need to post the exact number of devices connected to your router (this includes tablets, smart phones, laptops, and desktop PCs) as some routers can only handle a specific number of devices at a time.

One PC connected via ethernet
One xbox connected via ethernet
One laptop via wifi
4 mobile devices

It's very rare for all to be using bandwith at once though.


- Post any and all error messages you are getting from your ISP or Windows itself

- Make and model of switches and how many ports are on each switch -

I don't really understand. but I believe switches are the ethernet slots? Which we have 4 of them on the machine, 2 in use 2 out of use. If you need more information here please let me know.

- How many PCs and laptops are connected to the network

One PC connected via ethernet
One xbox connected via ethernet
One laptop via wifi
4 mobile devices

- Whether or not a NAS (Network Attached Storage) or regular server is connected to the network

Don't believe so, if someone could explain I'd appreciate it.

- Whether or not a Wifi router is connected to the network and/or switch

Yes it's xfinity's 2 in 1 device, modem and router with wifi

- If you are using the internal LAN connection on your motherboard, a USB dongle, or external PCI card

I'm plugged straight into the motherboard which is a ASUS Z97-A ATX DDR3 2600 LGA 1150 Motherboards Z97-A

Please if there's more information needed let me know and I'll get it to you all asap.

I'm at a lost of what to do now guys, pretty sure it's my computer at this point, any and all help is greatly appreciated.
 

jrrdmchls

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Feb 18, 2010
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What are you downloading? Your Download speed has a lot to do with how fast the file is being uploaded.
 

Bluesadventures

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Nov 1, 2013
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18,510


I'm not downloading anything. I game a lot and I get constant disconnects, my videos won't buffer. My usual speedtest speed is 115 - 125 which is what I pay for, yet on my machine it's constantly dropping down to a snails pace of 2-5 mbs.

 

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