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Forum Discussion
RND1023
Nov 12, 2022Guide
Nighthawk AC1900 C7000V2 Modem Router slow download speeds
I have 600 MBPS coming into the unit and if I get within 3' of it, I can get about 211 coming out via WIFI. That is with the Ookla speed testing. Unplugging it for a period doesn't change anything. F...
plemans
Nov 14, 2022Guru - Experienced User
Your not connecting at gigabit speeds. If you're device is gigabit capable, try a different Ethernet cable. Make sure it's a good quality cat 5e or better cable
RND1023
Nov 14, 2022Guide
Since I don't use ethernet, does that really matter? I found this attachment for my WIFI. It shows a speed of 780 which is pretty darn good, but I don't get why it doesn't show up in the speed test if that is correct.
- plemansNov 14, 2022Guru - Experienced User
That'd be your link speed. That's not actual throughput. throughput tends to be around 55-65% of link speed.
But we first need to figure out if you're actually getting the full speed from the modem. That's why we ask the hardwired question. If your hardwired speed from the router/modem is only 200mpbs, your wifi isn't going to be any faster than that as the bottleneck is what the modem is supplying.
Again, its pointless to troubleshoot wifi until we determine if you're actually getting the speeds you pay for.
- KitsapNov 14, 2022Master
RND1023 wrote:Since I don't use ethernet, does that really matter? I found this attachment for my WIFI. It shows a speed of 780 which is pretty darn good, but I don't get why it doesn't show up in the speed test if that is correct.
Most likely not.
The 780 number is the theoretical link transmission capacity. In real life, the actual throughput capacity is probably less than half of that.
- RND1023Nov 14, 2022Guide
I have several ethernet cables laying around, mostly short. The one I have been using is a Staples Cat5e. There is no way to know if any are a good quality. Just because one cost more than the other doesn't mean anything in todays market.
It's going to take me some time to do all this. I'll post when I can.
- KitsapNov 14, 2022Master
RND1023 wrote:I have several ethernet cables laying around, mostly short. The one I have been using is a Staples Cat5e. There is no way to know if any are a good quality. Just because one cost more than the other doesn't mean anything in todays market.
It's going to take me some time to do all this. I'll post when I can.
There is a very real chance the Ethernet port on your laptop is limited to 100 Mbps transfer capacity.
For new patch cables, Amazon is a good source. Their Cat 6 basic series is more than adequate at a reasonable price.
- RND1023Nov 14, 2022Guide
You and I were saying earlier that the Xfinity speed test isn't worth it. In that article you supplied the guy recommends it. "I find that the xfinity speed test gives the most reliable results, almost all of the time (and it had better, since Comcast is the largest broadband provider in the U.S.)."
- RND1023Nov 14, 2022Guide
I looked up my pc specs. I think you hit on the issue.
Laptop Network Card
Integrated 10/100 BASE-T Ethernet LAN - KitsapNov 14, 2022Master
RND1023 wrote:I looked up my pc specs. I think you hit on the issue.
Laptop Network Card
Integrated 10/100 BASE-T Ethernet LANNow you know, another piece of the puzzle. The Wi-Fi card and the Ethernet network card are different pieces inside your laptop. Each with different specifications.
The Comcast test throws a web browser program variable into the mix. Long term it does not have a good track record.
The stand alone Ookla test does not involve a web browser and if you connect to a local Comcast server it should provide the most consistent results long term.
Have you successfully connected to the 5 GHz Wi-Fi band with your laptop?
- FURRYe38Nov 14, 2022Guru - Experienced User
Might check to see if your Laptop supports USB3.0, though 2.0 may work as well, and if you want faster ethernet speeds, you could install a USB to ethernet adapter that supports 1000Mpbs.
RND1023 wrote:
I looked up my pc specs. I think you hit on the issue.
Laptop Network Card
Integrated 10/100 BASE-T Ethernet LAN - RND1023Nov 14, 2022Guide
5GHz is the one I use. You can see that in the test results I have posted. I have a 3.0 usb connection. I don't need faster ethernet speeds because I don't use it.