A weird problem through some weird english, this is definitely an interesting puzzle (no serious).
It's weird that when you got a new modem suddenly it went fine for 3 days.
With wire we can assume ethernet cable, a good provider should send you one without any costs, or get one yourself they are cheap as can be. Is it Cat 5 or 6? You definitely need Cat 6, but since you are saying you already using 1GB for long it doesn't seem to be the issue, a cable just doesn't just break by itself, unless you got some rodent gnawling on it or dropped something on it or whatever, you would definitely know.
If you change something with your internet card from your motherboard and it's going either good or bad the problem seems to lay there, when you do get it running at 1GB but it drops, seems that there could also be software interfering on your system (like an antivirus) try shutting it off.
It can also be IP's interfering. Because you mention another pc but that one doesn't have 1GB capabilities?
Maybe some of the steps can help?
https://www.intel.com/content/www/us/en/support/articles/000056817/ethernet-products/gigabit-ethernet-controllers-up-to-2-5gbe.html
https://www.intel.com/content/www/us/en/support/articles/000059067/ethernet-products/gigabit-ethernet-controllers-up-to-2-5gbe.html
https://answers.microsoft.com/en-us/windows/forum/all/my-ethernet-connection-keeps-loosing-internet/9684f74c-a030-4e8a-8f69-3eecb22ce06f
And if all still fails why not again call that ISP of yours and tell him that you tried their suggestions and your connection keeps dropping at that setting? They got all the tools to monitor what's going on there with your connections.
Why anyone would need 1GB is just overkill, but that's beside the issue. Like downloading something in 5 minutes or 5 hours, shrug.
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1-Nope i have everything as the first day i bought this PC like 3 years ago.
2-this problem i have maybe i have it a lot of time ago idk, i just was aware of it like 2 weeks ago because always downloading at 11mb/s everywhere and decided to start doing speed tests.
3- the technich already came to house and all was well, however he changed the moden just in case (even the tests he did on the old moden were fine all of them).
4- the cable/wire it's cat 5E (same wire i was using 3 years ago and 3 years ago i had 1gb fine everytime)
5-this problem only happen to my PC.
6- i doubt it's antivirus problem, i just use the windows 10 antivirus and if it were the problem it should be a problem also with the 100mb speed not just with the 1gb.
7-the webpages fix don't helped, i still continue with the same problem, i lose connection after a few minutes when i put the 1gb speed instead of the automatic speed how i bad explained in the first post.
however idk if it's the "internet card" that it's broken why it works at 100mb speed? it should don't even work right? Same with the wire, if it was broken or semi broken the internet connection will don't even work right?
it can be a problem from other hardware piece? and why work at 1GB a few minutes before lose connection when i put double duplex 1gb?
i can't understand why it works fine for a few minutes and then it stop working and lose internet and why don't work with the "automatic speed" option and i need to choice double duplex 1gb.
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Yeah there is a cat 5e between 5 and 6, that should also be fine.
I am sure the modem and technician are fine and right, i am only saying (and still think) it's odd that you found that it was working for 3 days unless it really wasn't all the time.
You need the setting that gives you the 1gb speed, but somehow somewhat is interfering, what it's impossible to tell from here, could be a lot, software, and unlikely hardware, yes your motherboard could fail in parts, but seems still relatively new.
And frankly i never had to bother with my settings because i don't got 1gb/s.
Is it problematic to just start fresh, and just reinstall windows? Then start first testing your speed, try maintaining it, and then install whatever else you use.
But again why not give your ISP just one more call say that you tried their advice? I mean you don't pay them for nothing.
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what i saw now testing things it's the next:
when i change to doube duplex and return to automatic it say 1gb connection for a few minutes then it suddently stop working, after 1 minute or 2 the internet returns but it change to 100mb (and i'm talking about windows properties window of internet where you saw the packets send etc.).
I also noticed that before change to 100mb the internet try to reconnect a few times (i see how the icon in the "folder" change a few times), it's like it try to reconnect to 1gb but how if fails a few times it try to lower speed (in this case 100mb).
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Okay change of mind, perhaps it is the cable, as i said a good provider should give it for free, else just buy a cat 6 they are cheap, if it doesn't fix it, you won't eventually lose anything, if you ever get even faster speeds, you already got a cable.
What i still don't understand is you say you got a pc working, assumingly you mean at 1gb so that should also have cable you could borrow else why not?
Anyway, so what you can see below it can still work at 100 Mbps... Like you asked yourself why can a broken cable still transfer data?
Compare it to a water hose with some holes, it can still pass water through, exactly the same as with data.
Cat 6 is preferred to Cat 5e. (Although the latter is technically capable of gigabit connections, it lacks any redundancies in grounding, which is a common point of failure in network cables.) Cat 6 remedies this issue, and making sure that all of your cabling is Cat 6 or better is usually a surefire way to achieve a gigabit connection.
A “failed” Cat 5e or Cat 6 cable will usually still work at 100 Mbps. It doesn’t take much physical trauma for a Cat 5e cable to revert to 100 Mbps, and many of the cheaper ones don’t support 1 Gbps out of the bag, even though they will be labeled as supported 1-Gbps connections. If you have only tried a Cat 5e cable, you owe it to yourself to try a Cat 6 cable. This is almost certainly the issue.
Incidents such as rolling over the cable with an office chair, or stepping on it, or closing a door on it, can all cause a Cat 5e cable to revert to 100 Mbps link speeds when it was previously working at Gigabit speeds.
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this is one of the things i wanted to know!! that webpage you link there helped me a lot.
so a cable cat5e can work at 100mbps even if it's "broken". i hope it's the cable then, i have my shoulder bad right now to move my PC but in two of three days i will be able and test it changing the PC of the other room.
thank you!
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Not likely the cause, but, I once had a problem with intermittent internet connection as well, turns out, the problem was a faulty line the company was using from the cable on the lamp post to my modem.
To fix it, I removed all the old lines outside my house and changed companies, so, the new company had to install a new cable (since there was none available).
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That's because an ethernet cable uses different number of wires to communicate on 100 Mb or 1 Gb. For 100 Mb it's enough only two pairs and 1 Gb requires all four pairs. If only some of the wires don't work proprely it will decrease speed immediately or eventually (in case if the problem only occurs during a significant load). It actually could be not only the wire but a connector or socket issue too.
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This is good advice. The cable can be a bottleneck due to which there is no 1 Gigabit. Or it could be a defect in some hardware. In a world where everything is produced as cheaply and quickly as possible, manufacturing defects are common, even on expensive equipment.
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Well my english isn't the best so i go straight to the problem.
1-my internet connection it's 1 GB, never had any problem. Some time ago my connection went to 100mb (speed tests).
2-called internet provider, they change my modem.
3-for 3 days all went well, then again 100mb
4-called again internet provider, he told me to change the "internet card options" (instead of automatic speed, change to double duplex 1GB).
now the problem start here. if i do that change i get again 1gb speed but then after a few minutes i lose connection of internet (my other PC still have internet).
If i return to "automatic speed" i don't lose internet but it's capped at 100mb of speed connection.
My question here it's, it may be the internet wire cable (from my pc to the modem) that it's "semi broken"? or it may be my "internet card from my motherboard" that it's semi broken?
i know it's a bit of "robotic" explanation but i hope you all can understand the problem.
More info:
motherboard ---> mpg z390 gaming pro carbon
drivers from "internet card" ----> intel (r) ethernet connection (7) i219-v (it can hold until 1GB speed without any problem for what i saw in google)
1-all my drivers etc... are up to date
2-for a lot of days everytime i turn on my PC for first time after a few minutes i lose internet for a few seconds then get internet back (only happen in my pc).
3-did a lot of test speed and usually when i turn PC i get 1gb speed then a few hours later i do again and then 100mb.
That why i suspect that my PC or the wire it's the problem, it's like my PC try to run at 1GB but something it's broken and that's why i lose internet a few second, because it's like it's switching to 100mb speed. Obviously my "internet card" can hold 1gb speed i checked before write this post and i was with 1gb for almost 3 years without any problem and i did no change at all in my PC.
So what do you guys think?
thank you!!
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