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Network Card Replacement: Diode Blinks, Cable Disconnected, Working on Other Computers

devio95 38931 16
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Why does my new network card blink and report the cable as disconnected when the same cable works on another computer?

Install the correct drivers for the new network card and check in Device Manager that the adapter is recognized properly; also make sure the card is set to obtain the IP address automatically [#10655075][#10655120][#10656467] If it still connects only intermittently, the problem may be with the cable end or RJ-45 plug, so re-crimp the connector or try another cable/port [#10657138][#10683161] One reply also noted that if the cable works on another PC, the fault is probably not the cable itself but rather software or configuration on the problem computer [#10676259]
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  • #1 10655023
    devio95
    Level 9  
    Posts: 8
    Rate: 12
    Hello, my network card broke, they replaced me with a new one. Everything is elegant, but when I connect the network cable, the diode just blinks and writes that it is disconnected, on the other computer it works normally, please help.
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  • #2 10655075
    darek4455
    Level 20  
    Posts: 297
    Help: 33
    Rate: 66
    Probably there are no drivers uploaded.
    Install them and it should be ok :)
  • #3 10655100
    devio95
    Level 9  
    Posts: 8
    Rate: 12
    The guy who did this to me on the website said that he would upload the drivers, but he would try
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  • #4 10655105
    darek4455
    Level 20  
    Posts: 297
    Help: 33
    Rate: 66
    Apparently he had failed.
    Or made a mistake.
  • #5 10655120
    CHACA
    Level 43  
    Posts: 9660
    Help: 875
    Rate: 457
    Enter the device manager and show the screen.
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  • #7 10655504
    CHACA
    Level 43  
    Posts: 9660
    Help: 875
    Rate: 457
    It looks ok. On the other hand, what do you connect the cable to (modem, router)
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  • #8 10655662
    devio95
    Level 9  
    Posts: 8
    Rate: 12
    Router, I will add that on other computers, the internet works elegantly. I do not know what is with it, the diode blinks and once writes that it downloads ip and after a while again that it is not connected

    Added after 49 [minutes]:

    Maybe my cable is too long?
  • #9 10656467
    CHACA
    Level 43  
    Posts: 9660
    Help: 875
    Rate: 457
    Check if you have "automatic IP address retrieval" set in card properties.
  • #10 10657134
    devio95
    Level 9  
    Posts: 8
    Rate: 12
    I have, I doubt that it is something with the settings, it just blinks and is connected once and not
  • #11 10657138
    jimasek
    VIP Meritorious for electroda.pl  
    Posts: 35287
    Help: 3783
    Rate: 2671
    devio95 wrote:
    I have, I doubt that it is something with the settings, it just blinks and is connected once and not


    Original or made cable? Maybe it's worth earning RJka again.
  • #12 10657166
    devio95
    Level 9  
    Posts: 8
    Rate: 12
    I have no idea, the cable is 4 years old on the second computer, but maybe because there is an old card, do you think that if I bought a new cable, it would blink? how much can such something cost?
  • #13 10657252
    jimasek
    VIP Meritorious for electroda.pl  
    Posts: 35287
    Help: 3783
    Rate: 2671
    devio95 wrote:
    Do you think if I bought a new cable, it would blink? how much can such something cost?

    I can't guarantee you that :( but you have to check.
  • #14 10657492
    devio95
    Level 9  
    Posts: 8
    Rate: 12
    How much does it cost ?
  • #15 10660190
    CHACA
    Level 43  
    Posts: 9660
    Help: 875
    Rate: 457
    Yes, replace it in the end, this cable will definitely work.
  • #16 10676259
    sebter
    Level 14  
    Posts: 167
    Help: 9
    Rate: 7
    If it works on that cable on another computer, it's absolutely not the cable's fault! I have the same situation and it is a software thing because I put a new power cable on PCI and then the same and the cables and switches are fine. If I find out what the solution is, I will let you know.

    greetings
  • #17 10683161
    PawMad
    Level 10  
    Posts: 13
    Help: 1
    Rate: 2
    I had a similar situation on one laptop, it flashed on a stationary one on a new network card, it worked once in a dozen, it helped to re-earn the RJ-45 tip at the end of the cable.
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Topic summary

✨ The discussion revolves around a user experiencing issues with a newly installed network card, where the connection indicator blinks and shows a disconnected status despite the network cable functioning on other computers. Initial suggestions include checking for driver installation and ensuring the network card settings allow for automatic IP address retrieval. The user also considers the possibility of the cable being too long or faulty, although it works on another computer. Further advice includes re-terminating the RJ-45 connector and verifying the cable's integrity. The consensus leans towards a software issue rather than a hardware fault, as the cable operates correctly with other devices.
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