poor internet connection on desktop only

prpledoggxii · Feb 13, 2017

heres my situation.
my gaming desktop has by far the worst connection of any device in the house. this seems to always have been a trend since ive built the tower, to include the service i had at my old apartment (centurylink dsl), then when i moved into my current house (cox broadband) then when i opted for centurylink's fiberwire internet. this trend has followed through 3 different routers between 3 different services and through both direct ethernet connection to the router and wifi with a linkseys ae6000 usb adapter. since the beginning of this trend ive restored my pc several times for various reasons, 2 fresh installs of windows 7 64bit and now windows 10 64bit. so at this point, so at this point its obvious that its the desktop. i freshly installed windows 10 about 8 months ago with all updated drivers. and i just updated them again but no luck. i currently have 40Mb fiberwire service from centurylink and directly connected to a brand new technicolor c2100t router through a 100ft cat6 ethernet cable with shielded connectors. it is connected directly to my mobo. my mobo has two lan ports, one realtek pcie rgb family controller which doesnt work at all, it will try to 'identify' then disconnects and gives up, the other is an intel i218-v which connects just fine and is the one im currently using. im getting 3-5 Mb/s down and 3-6Mb up speeds with 15-25ms ping on a supposed 40Mb/s connection regardless if im connected to lan or through the linkseys adapter. my laptop and phone both achieve a steady 35-40Mb down and 5-6Mb up speeds with a ping of 10-20ms. on the desktop, netflix and even youtube videos refuse to load but the page itself will load just fine. although videos will load when using the linkseys adapter but i get the same speeds regardless. anyone have any solutions. it would be much appreciated. if you need more info please let me know. thanks.

pc specs
intel i7 4770k
asus sabertooth z97 mobo (realtek PCIe lan and intel i218-v lan)
asus dcuii nvidia 780
16gb ares 1600mhz ram
1000w enermax gold
x1 1tb ocz ssd
x2 1tb wd blue hdd
windows 10 home 64bit

current equipment
technicolor c2100t router
100ft cat6 lan cable with shielded connectors
linkseys ae6000 wifi usb adapter

links
router (technicolor c2100t)- https://www.amazon.com/CenturyLink-Technicolor-C2100T-802-11AC-Gigabit/dp/B01MCZU07L
cable (sewell run cat6)- https://www.amazon.com/gp/product/B00CH4EVY8/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1
connectors (rostta gold shielded)- https://www.amazon.com/gp/product/B01HPECZQU/ref=oh_aui_detailpage_o02_s02?ie=UTF8&psc=1
linkseys adapter (ae6000)- https://www.amazon.com/Linksys-AE6000-Dual-Band-Wireless-Adapter/dp/B00BFW8KIG/ref=sr_1_2?s=pc&ie=UTF8&qid=1487345657&sr=1-2&keywords=linksys+ae6000
mobo (asus sabertooth z97)- https://www.asus.com/us/Motherboards/SABERTOOTH_Z97_MARK_1/

The Paladin · Feb 15, 2017

seems you have covered almost everything I could think of, I would assume the integrated NIC card has issues, easy to test, grab a 20$ network card at your local hardware store hell Walmart sells them for like 18$ , goto bios disable your on-board NIC, and install the new NIC card , does it fox the problem ? enjoy if not then let us know.

prpledoggxii · Feb 15, 2017

The Paladin :

i can try that and i do suspect its hardware related because the realtek lan port doesnt work. but if it is the NIC, dont you think that by using the linkeys usb adapter it would bypass the NIC? oh and i also updated the lan drivers using two methods, i first completely uninstalled both the intel and realtek driver for the lan ports then i downloaded the drivers directly through the asus support website for my mobo and installed them, no change. then i uninstalled both again and downloaded the drivers through intel and realtek respectively, still no change. both times i even tried to update them through windows in the network settings and both times the intel driver had an update which i installed then tried again. no luck.

Adam_204 · Feb 15, 2017

im haveing the same problem

videobear · Feb 15, 2017

Check the settings of the Intel 1218 network adapter in Device Manager. Look at the power saving settings. If "Energy Efficient Ethernet" is checked, uncheck it.

prpledoggxii · Feb 17, 2017

ok so i went into the device manager and found that setting videobear mentioned for the intel nic and unchecked it then reset the connection and still no change. i looked through all of the settings and nothing looked out of place. i ran self diagnostics under the link speed tab and everything passed except on the connection tab, it says "cable link status: failed, link speed 10mbps. the link partner is not cable of higher speeds". which makes sense seeing as ive never seen greater speeds than 10 Mbps down speeds on this pc. what exactly does this mean? and is there anything else i should try? but if this is the cause, why does my linkeys wifi adapter have the same problem? i apologize for all the questions, but networking is something im not experienced in.

The Paladin · Feb 17, 2017

wait.. explain to me what is connected to what because now it sounds like you have network bottle neck going on, your pc is connected with what kind of cable (dont assume they are all the same look on cable there will be a a cat 3, CAT 4, CAT 5 Cat 5e or Cat 6 indication on it, if it is anything but Cat 5 then get rid of cable and change it for something that says at Least Cat 5 or higher now that cable is connected to what device a router or a switch? what make and model

prpledoggxii · Feb 17, 2017

im still using the same setup as the origional post. i have a 100ft cat6 cable that i built only a couple weeks ago. its a sewell direct utp cable with pastta rj45 gold plated shielded connectors. its ran on the outside of the house, directly from my technicolor c2100t router to my mobo lan port. i tried going into the router settings but it all looked good and nothing i saw was out of place. i checked the cable before and after install and my ethernet tester said it was good. but i still dont think its the cable seeing as i get the same resaults with my linkeys ae6000 usb wifi adapter. i posted more links in the origional post.

https://www.amazon.com/CenturyLink-Technicolor-C2100T-802-11AC-Gigabit/dp/B01MCZU07L (router)
https://www.amazon.com/gp/product/B01HPECZQU/ref=oh_aui_detailpage_o02_s02?ie=UTF8&psc=1 (connectors)
https://www.amazon.com/gp/product/B00CH4EVY8/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1 (cable)

prpledoggxii · Feb 28, 2017

videobear :

so i already tried this and it is not the problem although it was unchecked. i also went through the rest of the settings in the network config for the intel nic and didn't find anything else regarding any type of power saving mode. so one thing i noticed recently is that when i open the task manager to the performance tab or open resource monitor and my internet it downloading, say a game or large file, it says usage is at or near 100% when download speeds are <15Mb/s even though im on a supposed 40Mb/s connection. and yes i understand the difference between MB and Mb, before anyone asks. This leads me to further believe that there is some type of throttling happening internally on my desktop. i don't know if its related but my connection also takes a solid 45 seconds to connect after a hard boot.

Does anyone have any suggestions, anything would be helpful. Even if its blatantly obvious as i might have missed something.

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