72 Meter Ethernet Cable Not Working?

Nov 14, 2011

I am trying to connect a pc with a cable modem using a cat5 UTP cable.I initially checked all the wires of the cable with a meter and then punched the RJ45 connectors to both ends and also checked them with a cable testing device and the straight through mappings were correct, but when i connect the two ends to the cable modem the respective lights do not show up. I have not tried the wire from the pc to the cable modem yet. The cable length is 72 meters.

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Mar 17, 2011

as we know twisted pair cat 5 has maximum length 100 meter?

is because the voltage will decrease"weak" at the receiver "because the resistance of cable"? or because the noise will increase?

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Sep 7, 2011

Daughter is at college with brand new Vostro 3450.  Was working on school network during summer but drops the connection multiple times during the day.  She runs the Troubleshooting which then allows her to connect and 30 minutes later the connection is dropped again.  The laptop works fine when connected to the internet via the ethernet cable.  Here is what has been done by the IT support at the school.

1 -  Deleted the Intel wireless utility as they thought it was "fighting" with the Windows software for control over the wireless. 

2 - Increased the power for the wireless card to "high performance".

3 - Reinstalled Windows 7 to eliminate that there is a software issue.

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Now the IT supports recommendation is to "get a new system" and that perhaps the Vostro's wireless card is "not compatible with their network".  For Dell computers they sell the Latitude to the students.

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Apr 30, 2011

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Feb 6, 2011

I am working w/ WNDR3700, and I've been trying to take a look at the traffic meter to judge how much I actually us.

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This month
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I'm switching from using a wireless usb adapter to a wired connection via ethernet cable.

When I plug the ethernet cable in however nothing happens, I've tried using it with a different computer and it works like a charm but this one doesn't seem to be working right.

HP Pro Small Form Factor 3010 Windows 7 32bit (Other computer was using windows vista)

Windows IP Configuration
Host Name . . . . . . . . . . . . : HPPro3010
Primary Dns Suffix . . . . . . . :

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Sep 20, 2012

Yesterday I was on my computer when all of the sudden my internet stopped working. I am using windows 7 and at the bottom right I see a big "X" over the small computer icon. I already tried a computer reboot, a router+modem reboot, system restore, and I even reset the power to the room of the modem+router from the fuse box in my house. I tried everything.

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Aug 5, 2012

The Ethernet cable really gets in my way and I'm trying to find a way to use my Internet without it... What would I have to change on my computer?

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Apr 25, 2013

An older post on this forum told me to remove the adapter's driver software and restart the system. I did this, and it tried to install the software on startup but it keeps failing when installing. Forcing it to look for new driver software resulted in it saying the best software is already installed.

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I have vista system, belkin wireless realtec ethernet cable and alice modem internet provider is o2 everything is working as i have checked but I GET NO CONNECTION everything was fine for 2 years and then suddenly after checking the system I am told that the ethernet cable is not connected,

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Dec 18, 2012

My Ethernet Cable is not reading, when ever i plug in the Ethernet cable into the port into my Toshiba laptop, it doesn't read, What is the problem, My cable, Laptop or (ISP) Internet service Provider?

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Dec 21, 2012

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I am trying to connect my two laptops with one Ethernet cable without any internet to a Network. However, just one of the laptops is identifying the connection, the other doesn't recognize that it has been connected to another laptop. Obviously, the cable itself is working (because one laptop identifies the connection), but what might be the problem that the other laptop doesn't recognize any connections?

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Jul 4, 2012

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Sep 13, 2011

I'm trying to connect to the internet via the ethernet cable available in my office at the university but it won't work. I'm able to see other computers connected to the network, share printers and have access to shared files but have no internet access. I know that the problem is not the cable or socket because my old XP computer connects to the internet just fine.

I had a similar problem back at home but I just restarted the modem and was able to connect.

Setup:
Lenovo x220 tablet
Network card: Intel 82579LM Gigabit Network Connection

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Jan 17, 2012

My onboard adapter wasn't working so I bought a new dlink adapter. Adapter installed and is registering in device manager.. but it says that there is no ethernet cable connected. I have a laptop connected to the same router that is connecting to the internet. I switched out cables with ones that worked with the laptop and on the desktop before. I have cycled the router

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I'm having trouble with my ethernet port. I have a Asus g73jh computer running 64-bit windows 7 and i have an atheros ar8131 pci-e gigabit ethernet controller NDIS 6.20 for my network adaptor, that is fully updated and says is working properly but doesn't recognize when an ethernet cable is plugged in. The cable works on my xbox fine so I know that the cable works fine. I'm pretty sure that there might be something physically wrong with it or I just don't know.

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Oct 4, 2012

At the moment I cant run an ethernet cable through my house from my router to my desktop PC (Which is where I use the internet/play games etc) and connect directly that way because my parents dont want cables going through the house etc etc.For the past 2 months or more I used my old laptop to pick up the wireless connection downstairs then I bridged the connection and used my ethernet cable from the laptop into my PC/Xbox or whatever, no problems until today, I wouldnt even have to log into the laptop, i would just turn it on and leave it at the login screen and I would have internet on my desktop/Xbox.Tried to do that today and was getting unidentified network on my desktop, i dont know what the problem is, I can connect directly to my router with the ethernet (I tried it) but not the old way anymore, i'm on the laptop now on the wireless internet.In network connections there LAN network isnt there anymore, its just the 'Unidentified Network' which is the bridged connection.

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