Connection only going up to 10 Mbps

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David_Something

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Apr 20, 2015
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Hi guys, so i have a problem since like 3 days ago, I have a connection of 100Mbps but I'm only getting 10 on speedtest i tried connecting the cable to my laptop, and it works, so the problem is my pc, I have windows 8.1, I tried windows safe mode to see if it was a problem with a program but nothing... oh and "Ethernet status" says "speed 10Mbps" oh and one more thing the light on the motherboard is orange. I hope you guys can help me, thank you in advance.
 
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Tom Tancredi
Okay then something happened on the desktop PC network card. If you look at the icon in the tray right click the networking icon to open Network and Sharing Center (assuming this is Windows 7 else just go through Control Panel to get to Networking then Network and Sharing Center). Click on the icon in the middle there called Local Area Connection and that brings up the panel for the NIC. Click properties tehn configure. Now the tabs next are dependent on the maker, drivers, and such, but basically you want to check your LINK Speed and make sure it is set to either Auto, or FULL DUPLEX 100Mpbs (normally modern PCs are up to 1Gb NICs so it may even show that). If it showing you ARE connected at 100Mbps and ONLY on speedtest for the...
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Tom Tancredi

Tom Tancredi

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Okay we need a bit more specifics here. First off what is your PC connected to? Your Router provided by the ISP? Or did you buy it yourself? Second to that is there a seperate modem from the Router? What is your ISP? What sort of service is it? Does your Service you pay for monthly from the ISP stat it provides 100Mbps Internet service or are you just looking at the 'connection speed' of the 'cable to your laptop'?
 
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David_Something

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Apr 20, 2015
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Ok my Pc is connected to my router with a cable, but i know the problem isn't the router or the cable, because i connected my laptop with the same cable and it works fine, so its definitely my pc. And i have fine till like 3 days ago, on the bios i can see though "smart lan" (i have a gigabyte mobo) that my connection is 10 mbps... and my cable 7m, my cable its like 25 m, but i know the cable is not the problem, so i dont know what to do
 
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Urumiko

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Dec 28, 2013
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Ok this post is slightly confusing but it sounds like you are talking about a speed/duplex problem.

Normally network cards are backwards compatible and capable of supporting speeds of 10/100/1000, they can also go full/half duplex.

It is possible there is a cable problem but the most likely cause is that auto negotiation is failing and the card is defaulting to 10/half. Sometimes this just happens with certain manufacturer/product combinations.

You can try seeing if there are any firmware updates available for your network card/router.

If not, you should hopefully be able to manually set the speed and duplex (ideally at both ends).
Check there are no options for this in the bios.
If the option is available on your computer in windows, this is usually in the advanced driver options within device manager.
If its not there you may be able to set it by editing the registry but this is a pain.

Normal business class switches will let you set the speed/duplex manually, but a typical home router will not. Try googling that option for your model. One work arround may be to use a simple switch inbetween your PC and router to avoid the compatability issue.
 
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Tom Tancredi

Tom Tancredi

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Okay you didn't answer my questions because

10Mbps speed is between Laptop/Deskitop and Router NOT INTERNET (speedtest) unless your on Cable Internet services (Comcast, Time Warner, etc.) and BUYING 100MBps. Speedtest is between the ROUTER and the INTERNET. So if your PAYING for 100Mbps and getting 10Mbps, you need to contact your ISP to have them SERVICE your connection.

Because you see A doesn't mean D .
 
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David_Something

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Oh sorry Tom, what i meant was that I get 10Mbps on speedtest when i'm on my desktop pc, when i connected the same cable to my laptop i got 100Mbps on speedtest, I'm only connected to the router provided by my ISP, and yes I'm paying for the 100 Mbps
 
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Tom Tancredi

Tom Tancredi

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Okay then something happened on the desktop PC network card. If you look at the icon in the tray right click the networking icon to open Network and Sharing Center (assuming this is Windows 7 else just go through Control Panel to get to Networking then Network and Sharing Center). Click on the icon in the middle there called Local Area Connection and that brings up the panel for the NIC. Click properties tehn configure. Now the tabs next are dependent on the maker, drivers, and such, but basically you want to check your LINK Speed and make sure it is set to either Auto, or FULL DUPLEX 100Mpbs (normally modern PCs are up to 1Gb NICs so it may even show that). If it showing you ARE connected at 100Mbps and ONLY on speedtest for the desktop shows 10Mbps, then there is someplace else we need to look. Otherwise just okay your way out of it.

Now unplug connection, wait 10 and replug in. Drilling down again as we did the same LINK SPEED should show your connected at 100Mbps.
If not try downloading the drivers / setup files for the NIC and reinstall. They may be fubar.

If your speed from PC to router IS 100Mbps and only shows 10Mbps when testing on speedtest then you need to do the basics.
DO NOT TL;DR !!!! I took the time to write this, then please take the time to go through it STEP BY STEP


Did you install all Windows Updates? Including OPTIONAL except BING? Check them and repeat till ALL are installed.

Download and run Slim Drivers, install all the latest updates but you don't need to reboot until you do the last update

Go to www.filehippo.com, download Malwarebytes, go to CUSTOM Scan and set it to do a full system scan (by DEFAULT IT DOESN"T DO THAT, and AntiVirus doesn't pick up alot of malware) - this resolved almost ALL other similiar posts to date as most had Malware the AV didn't pick up.

Remove whatever AV your using and download AVIRA, AVG, Comodo or Panda go to CUSTOM Scan and set it to do a full system scan (by DEFAULT IT DOESN"T DO THAT) - this repeatedly has resolved alot of people issue relying on MS Essentials.

Repeat the AV/Malware scans till the system comes up clean.

Download AUTORUNS and turn off anything NOT critical on startup, so you don't need to run JAVAScheduler to check for Java updates everytime you start your computer for example. BE CAREFUL AND KNOW WHAT YOUR TURNING OFF BEFORE YOU DO IT.

Download and run SPECCY, copy and paste the first tab to show your idle temps

Open Computer, Can Air dust out the bunnies and use paint brush on the vents, coolers, fans, etc.

Go through and provide a response on each point, don't SKIP IT because "I ALREADY DID IT" , just try doing it again as of THIS post so we know NOW what is happening as compared to BEFORE you posted.
 
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David_Something

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Apr 20, 2015
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Thank you tom, I'm running the anti-malware right now, just an update, i trying changing from auto, to 100mpbs full duplex, but on ethernet status it still says "speed: 10.0 mbps" i changed to 1gb and still the same, so i changed back to auto i already had installed all updates including optionals, i also installed the lastest driver.
 
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Tom Tancredi

Tom Tancredi

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While I understand the 'same cable' works on the laptop, at this point it is looking hardware wise. I would try with a different cable, then try with a different port. If this is a OLD (I would suggest it is with the 10/100Mb port on the router) device it may not understand how to change to meet a 1Gb NIC (seen a few happen like this back when). I would then suggest if you replaced the cable, tried a different port, power cycled both hardware (PC and Router) then they may just need to issue a up to date one.

Now normally the 'industry standard' is a all in one device, Modem, Router, Multi LAN port and Wifi built in. If you do not have such a device from the ISP then I would HIGHLY recommend swapping it out with the 'current model'. You can validate that by checking (without being logged in) the ISp website and see what they offer "new customers" and what model router they offer. Alot of people don't realize they can get a updated router without question. I went through three just because they went from the 30Mbps cap to the 75Mbps, then doubled to 125 only to now offer up to 300Mbps I believe, which I had been issued two newer routers after just getting the first one when I moved here because of the changes and now had a recycled Business Class Cable Modem/Router Wifi for our family.
 
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David_Something

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Apr 20, 2015
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Thank you for helping me so much Tom, i went to my basement to search for my old router and some cables, in the meantime just because... i disconnected my pc, now it works.... I have no idea why... but now everything works... Anyways thank you so much for dedicating so much time to help me!
 
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Dl_Fane

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Jun 24, 2017
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Hello sir! Sadly, i have the same issue. A week ago i bought a new mobo from gigabyte (h110m s2) and since then my ethernet speed is 10mbps instead of 100mbps. I installed the drivers, did the advices you said before but nothing. At the internet port there's only one flashing amber light nad there's no green light on. I reinstalled windows, drivers everything but it was useless... I really want to have my internet speed backk because i donwload with only 1.1mb...So please if you have any advices that could help me, i'm all ears. If none of the solution will work i thing i'll go with it to the warranty
 
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Tom Tancredi

Tom Tancredi

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Don't piggyback on a closed 2 year old thread, start a new one. Provide a full work up on your system, what the 'ethernet" is connected to. A new motherboard? Is this a new build or are you mix and matching? New mobo: You should be running a clean new copy of Windows, or .. how did you did this? How you 'determined' it is 10mbps. What is your ISP contract say should be getting (what service are you paying for?). Did you call and check with the ISP? Did you try a different PC or other device through your service provider? etc. etc. etc. There is alot here to go through.
 
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Dl_Fane

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Jun 24, 2017
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I already started a new one. Still waiting for replies. Yes, the ethernet cable is connected to the ethernet port from the motherboard. I pay for 100mbps. I have more info on the thread i wrote
 
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Tom Tancredi

Tom Tancredi

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Might want to point to the thread so we know which one to read. Also you need to provide more than that answer. I would suggest REREADING my questions (Including back further in this thread) and try all those steps FIRST before posting any more. Once you done all that you can list all the things you did do one step at a time, so we can knock it off the 'list' of things that CAN be affecting it or are NOT.
 
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Dl_Fane

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Jun 24, 2017
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Read them, ddi them, nothing
 
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Tom Tancredi

Tom Tancredi

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How about you LIST what you did and the result. This tells us what happend and helps us identify what it IS doing since we can't see it.

If your going to TL : DR comment like that, then just take it to a Mom and Pop Computer store to test your rig or bring a techie friend over to look at your setup. There is no "plug it here/type this magic command' simple quick solution.
 
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Chari409

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Jul 21, 2017
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I had almost this same exact problem I just got internet that was suppose to get up to around 200 mbps speed and when devices were connected via WiFi I was able to get this but when I connected through the Ethernet cable I received 6-7 mbps instead.
I first checked to see if my Ethernet adapter was able to handle the speed. Mine is a Realtek PCIe GBE Family Controller, the important part of this is the letters GBE. This means it can handle gigabits not just megabits. So check this first if you have slower speed then you are paying for. Next when looking at the Ethernet Status window I noticed that there was a line that said Speed: which in my case said 10 mbps. I was pretty sure this may be the culprit. Next I went into the Ethernet properties and then clicked Configure. I found that under the Advanced tab there is a list called Property: and in this list low and behold Speed & Duplex. In the Value drop-down box next to the Property list it said 10 mbps. When the drop-down box is clicked on, a list of speeds is shown including an option called Auto Negotiation which I chose. After choosing this and exiting out I ran a new speed test and yep all fixed. So I recommend checking this before thinking that your adapter on the PC is kaput.

Hope this helps someone else with the same problem.
 
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