Ethernet cable no longer working?

I live in an apartment where the building has wifi for us to use. There are 16 apartments in the building. The thing is anyone that uses the internet, they use the wifi. I'm the only one here who bought a very long ethernet cable so that i connected the ethernet cable to one of the routers. There are 2 routers.

I have a laptop.

Most people in the building have problems with the wifi and when i connect wifi, it usually isn't that good. There are 2 connections. One is wifi connection A and other is B. Connection B is never reliable... either you can't connect or if it connects, it isn't good. However I'm wired to the router in connection B via ethernet. So everytime i open laptop, its on wifi but i then disconnect it then i see a computer in the bottom right of my computer screen which means its wired connection and thus very reliable and fast. My ethernet cable is 50 feet.


I been using the wired connection for many months now with no issue. Today, i cannot connect to the internet wired. I disconnected it from the wifi connection but then it shows no connection, doesn't have the computer logo at all.


I then went to google and check and typed cmd and says Media disconnected. Does anyone know if theres a way to see if it suddenly stopped working or it might be the router/modem? I clicked diagnose and it didn't do anything.


The frustrating thing about this is i need wired internet and i dont know why it just suddenly stopped working.

 

Use a shorter cable that you may have lying around to troubleshoot. If the shorter cable works, then you know the issue is with the long cable and if it still doesn't work, you'll have to troubleshoot both at the computer and router end.

 

I unfortunately dont have another ethernet cable with me at the moment. Is there another way for me to find out the cause of this? Would using someone else laptop in my building to test if the ethernet cable work for their laptop would be the other alternative method?

 

Well, the only thing it would rule out, would be your laptop as the potential problem. You still won't know whether it's the cable or on the router's end.

 

Well if it doesn't work on another persons laptop, that means my laptop isn't the issue. And if it works on someones laptop, then i know it isn't the ethernet cable that is the problem. Wouldn that be right? And if its the router, then well getting another ethernet cable is worthless right?

Here is something that is very weird. I tried to unplug the other end of the ethernet cable from the router, i could not do this at all. I know many times i did this a few months back and it was not an issue but sometimes it was tougher to pull out the other end of the ethernet cable from the wireless router.

There are 2 other ethernet cables connected to the router. One that is connected to a modem and another that is connected to another wireless router in a different area of the building. Of course you have the power plug as well plugged in that you can easily pull out and off easily to reset the router.

None of the other ethernet cables that is connected to the router... i could pull out. I never had this issue back then. Right now it seems like its impossible to pull any ethernet cable from the router.

I know a few months back both routers were in that same area but recently one of the routers got moved to another location because other ppl in the building mentioned the wifi connection wasn't so good so thats why they moved it. It does make sense that keeping 2 routers in the same location makes no sense.

Does anyone know why i can't pull any ethernet cables out of the wireless router? I asked the person if anyone touched the router or did anything to it such as i can't pull it out and i was told no. However, this person also told me some other things a while back which wasn't true. It was when the internet went out every single night the same time and always for same amount of time 30 minutes. They told me they contacted the isp and said it happens every night for everyone in the city... which made no sense at all. However i did lot of research and ppl said if it goes out same time every single night, its connected to one of those timers. I told the person in charge about this and they said theres no timer. However, few months later on they opened the thing where this wire goes into and then i saw it was indeed connected to a timer which was the cause of this. So ever since it was plugged into a regular outlet, internet no longer goes out every single night at same time for same exact period.

Does anyone know what could be the reason for this? I find it extremely strange that not only could i not take out the ethernet cable from router but none of the other 2 ethernet cables connected to that router i could pull out either.

It feels like all the ethernet cables got superglued into the router or something.

 

We had someone come over and took a look at it and we found a few interesting things.


He could remove the ethernet cable that is connected to the modem, the red ethernet cable but it took a lot of pulling to do it. He however could not remove the other 2 ethernet cables nor my ethernet cable so basically everyone here saying are you pulling the cable out correctly.. yes i was doing it correctly, it doesn't pull out.


He tells me its either one of two things and he says he isn't that knowledgeable about this stuff. He said it might be the heat that caused it and said it caused a fuse. The other is he thought someone put glue on it as a prank but that wouldnt make sense as no one in this building would do that. However we asked the person who had someone who made some changes to the wireless routers and she told us that person who looked at the routers never used glue.


There is also one ethernet port available. We then took a ethernet cable we found in the closet and connected my laptop to that router. I could not connect wired with that cable. However, we took a smaller ethernet cable we found and THAT WORKED. We then went downstairs to the other router and the same thing. So basically the ethernet cable we used the long one we found was bad, the small one was good.


So based on this, what is the conclusion since i could connect wired to that last port with that small ethernet cable?


Right now my only option is thus buy another 50 feet ethernet cable and connect my laptop to that final ethernet port slot as that would work assuming ethernet cable worked. Thats how long ethernet cable need to be as the distance from my apt to it is that long.


However if i do that, wouldn't that mean that the new ethernet cable i buy will eventually get stuck in that last ethernet port later on and thus get fused from heat?

 

Okay I don't know what to say now. I just went and bought a 50 ft ethernet cable, it was a cat6 and not cat5 one because they didn't have any cat5... well it DID NOT WORK.

Basically when i connected from laptop to the last ethernet in the router, all it shows is the computer searching for a signal.

This makes zero sense because the ethernet cable is brand new. And yesterday we had 2 extra ethernet cables to test and one of them didnt work but the other one did ... as when i connected that short ethernet cable to last slot on router... it worked and there was a wired connection.

Does anyone know why in the world my ethernet cable isn't working since its brand new? Could it be because its a cat6 instead of cat5?

 

Cat6 is supposed to be backwards compatible as far as I know. It is always possible that the cable was faulty, but it could be something else. Get to a friend's place and test the cable there if you can.

 

What do you mean by backward compatible? I dont believe its faulty its brand new.

Okay i check online to see if ethernet cable works or not and it tells me to type cmd then type inconfigure.


All I see is a bunch of Media disconnected.


I then went to network connections while the ethernet is connected to the router and all it does is it looks like searching for a signal but thats all it does. I then clicked diagnose and after all that i get this message


Local Area Connection doesn't have a valid ip configuration. Same message for media disconnected and this for both routers when connecting the cat6 ethernet cable to it...

Okay this is very strange. Yesterday i had changed the IP4 properties to

192.168.1.101
255 is that other thing.

Then the last 2 lines... i changed it to some other numbers not the ones you wrote down. The last numbers were different.

It was from youtube video.

That did not work. So right now i just went there and decide to click on obtain an ip address automatically like it was previously before i input the own numbers.

I then put in the short ethernet cable to test it out and yes the wired connection worked as expected.

I then took my 50 ft cat6 ethernet cable and plugged it in... and it worked.

I then went and did this with the router downstairs... my 50 ft ethernet cable worked and i see wired connection.

This doesn't make any sense. Why did it not work yesterday and now it worked today? I didn't do any changes to any settings. All i did was change what i did yesterday that didn't work.

Right now im still unsure because this might work for few day then stop working again. Do you know what kind of strange situation is this? Wired works now but then again im not going to get excited because im not sure few days later suddenly it stop working again.

Well i never did any changes to any settings at all yesterday until i saw the 50ft new ethernet cable didn't work. So i made changes to those settings with those numbers and it didn't work.

Also i forgot to mention but the reason i clicked on obtain ip address automatically was because when i first put the short ethernet cable into router from laptop... it didn't work... had the computer logo with the yellow exclamation point with it. This is the same logo i have when my 50ft ethernet cable didnt work.

So i press obtain ip address autoatmically instead and then wired connection worked for short router. But i figure okay try the 50ft long cable and expected it to not work like yesterday... yet it worked.

I honestly dont know why its working now.

I forgot to mention but yesterday I did download a microsoft fix it file where ppl said it would solve this issue. BUt yesterday when i put ethernet cable after doing that, it still didnt work. However... could it be because i had changed the ip address with the ip4 settings with those numbers and thats why?

The only thing i can think of that is the reason it works today with ethernet cable and not yesterday is b/c i downloaded that microsoft fix it file... but i didn't revert those ip4 numbers back to the original obtain ip address automatically...

 

Maybe possible if the pins on the router were slightly damaged. Like someone push it in the wrong way or push it in way too hard.

Such that the heat/cold causes it to expand/contract just enough for it to lose contact with enough pins to give you an unstable contact.
Just enough it couldn't figure if it can go 10/100/1000 link.


You can easily test the cable with an inexpensive cable tester or a multimeter. Not so much about noise though due to cost.

 

Okay right now my wired internet doesn't work at all again. I went and took a look and ethernet is plugged into router just like it was yesterday.

Yesterday my wired connection was working perfectly fine.

None of this makes sense now.

Not only that, i went to local area network and i dont even see local area connection icon. All i see is the wifi connection.

Does anyone know how i can fix this issue?

 

Yes- call the internet provider for your location- ask for a service call/ visit


Sent from my iPhone using Tapatalk

 

Ok,little late to the party here's but what I don't see is what kinda router you have? That way those reading can better diagnosis what might be the lost wifi or bad Ethernet connections. But one must know Ethernet cable can only be so certain length to work properly and we don't know if the Ethernet your using is homemade or factory pre-made so we can tell if the cable is bad or good? If all you get is wifi connection but no internet that could be possible ISP internet problem and you will need them to come and check on your internet connection there at you location. Otherwise it could be your router is going bad or of poor quality that is can no longer maintain steady reliable internet connections. Also from the sounds of you your sharing the internet so not sure if this is a individual or something like a Starbuck internet setup you going going so that would also be good to know what kinda detail internet setup you have to see where the problem is coming from. As for chaning your IP you shouldn't have to mess with those number it should get those from the ISP provider automatically for the router. Those numbers should only be changed or mod if you have a Static IP that doesn't change at the ISP. So from the quick read of this discussion is missing alot of other details to know what is really happening here????