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Blue screen when plugging in the RJ45 cable

David101010_4959 Posted messages 5 Status Member -  
David101010_4959 Posted messages 5 Status Member -

Hello.

I don’t know if someone can enlighten me on this problem... I’m stuck....

So, on a tower that I recovered, I formatted it and reinstalled the OS. Originally Windows 7 Pro, upgraded to W10 Pro, and when I got it, I thought let’s try W11 without the TMP....

Anyway, the installation goes well, the drivers install themselves just fine. But when I wanted to connect the tower to the internet via the RJ45 cable, I got a nice blue screen....

It rebooted by itself, I left the cable plugged in but couldn’t restart.

I disconnected the cable and the PC started up fine.

I tried with another cable, same result, blue screen.....

I thought it might be a driver issue. I then connected a Wi-Fi card to a PCIe slot. I uninstalled the network card. Restarted for it to reinstall, same problem... I looked for new drivers but nothing improved....

So I thought, well, bye-bye W11, I reformatted to W10... Same problem...

I then pronounced the hour of death for the network card. And I ordered a network card to be connected to a PCIe slot.

And here is where I’m lost..... Even with the card connected to the PCIe, same problem.... I don’t understand. A Wi-Fi card on PCIe works fine. But whether it’s the motherboard network card or the one I installed on PCIe: same result, blue screen.

I even removed the Wi-Fi card and plugged the network card into the same PCI, same outcome.

I just installed BlueScreenView in case it helps someone. I’ve had 3 crashes for 3 screenshots.

Thank you in advance because.... The original card causes crashes but another one does too....

4 answers

Answer 1 / 4
blux Posted messages 2041 Registration date   Status Moderator Last intervention   3 455
 

Hello,

Question: what are you connecting your cable to? (a PoE switch, for example, which might send a little too much current...).

Have you tried another cable and/or a different port on the switch/router?

Do you have a USB network card to test if it's coming from the PCIe line?

See you blux "Some people will try anything.
That's how we recognize them."
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Answer 2 / 4
David101010_4959 Posted messages 5 Status Member
 

The cable is plugged into a wall socket.

Never had any issues, it works with other PCs.

I don't have a USB network card on hand. But the PCIe line works with a Wi-Fi network card, that's what I don't understand why it crashes with a wired network card????
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blux Posted messages 2041 Registration date   Status Moderator Last intervention   3 455
 

Your network cable carries electricity for the signal, so if for some reason current escapes -> unpredictable results...

Have you tested another cable? Another outlet?

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Answer 3 / 4
David101010_4959 Posted messages 5 Status Member
 

Yes, I tested it with another cable and it doesn't change anything. I haven't tried another outlet, but I can do that. However, in my opinion, it won't change anything; the problem lies elsewhere. I will test it on another outlet and let you know the result.
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Answer 4 / 4
David101010_4959 Posted messages 5 Status Member
 

Well, without much surprise, tested on another outlet, even other outlets (on Switch and directly to the box), with 3 different cables: same end result, blue screen.
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