Question TP-Link Archer C5400X Speed Issues

darcy169

Honorable
Jan 30, 2013
16
0
10,510
0
Hey Guys!

I own a TP-Link Archer 5400x router which has been working well atleast until I actually looked at my download speeds and did a speed test.... So I have gigabyte internet and realised that I was only downloading at 300 Mbps and when I did a speed test I got the exact same result. When I reboot my router I instantly get over 1 Gbps download speed and speed test speed but I don't understand why this is happening and how I can fix it so it doesn't happy every day. From what I can tell my speeds reduce again over a few hours until its locked again to around the 300-350 Mbps mark.

Any suggestions?

Thank you
 

kanewolf

Titan
Moderator
I am guessing this is a wired connection to the router. Do you have a motherboard with "killer" ethernet or some other ethernet "optimizer" software? Many times that software will limit/inhibit download speeds.
 

kanewolf

Titan
Moderator
Looking at the website, that motherboard has an Intel network interface. It comes with some software called "cFosSpeed" I have no idea what that does, but I would start looking there.

Otherwise, I would do a factory reset on your router. Set just the admin password, ISP info, SSIDs and WIFI passwords. Nothing else. Then retest.
 

darcy169

Honorable
Jan 30, 2013
16
0
10,510
0
I am guessing this is a wired connection to the router. Do you have a motherboard with "killer" ethernet or some other ethernet "optimizer" software? Many times that software will limit/inhibit download speeds.
Looking at the website, that motherboard has an Intel network interface. It comes with some software called "cFosSpeed" I have no idea what that does, but I would start looking there.

Otherwise, I would do a factory reset on your router. Set just the admin password, ISP info, SSIDs and WIFI passwords. Nothing else. Then retest.
Is this something that can be removed from my pc?
 

darcy169

Honorable
Jan 30, 2013
16
0
10,510
0
So I did the factory reset and so far so good. Not sure what caused the issue as I never changed any settings but my speed test and download speeds are consistently fast.
 

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