i deleted my internet connection by mistake of my computer and now it wont even detect it, the port wont even light up when i plug in the cable anymore! ive tried a couple of things but nothing so now im desperate for help. im sure its my computer because my other computer works just fine. i have windows 7. thank you for the help.

Dani AI

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reported the Ethernet jack shows no link light while the same cable and router work with another PC. and rightly pointed toward driver issues, but start by isolating hardware vs Windows before reinstalling anything.

  • Try the same cable and router/switch port with a known-good machine to confirm the cable and wall/switch port actually work.
  • Look for a physical NIC switch (laptop bezel) or an "Onboard LAN" option in BIOS; some systems let you disable the port entirely.
  • In Windows, open Device Manager and check Network adapters. Enable the adapter if disabled, use "Show hidden devices" and "Scan for hardware changes" to reveal ghosted devices.
  • Disable power-saving: adapter Properties -> Power Management -> uncheck "Allow the computer to turn off this device to save power."
  • Boot a Linux live USB (no install). If the NIC lights and gets an IP there, the hardware is OK and Windows/driver config is the culprit. If the jack still never lights, the NIC or onboard port is likely failed.
  • As a practical fallback, a cheap USB-to-Ethernet dongle or PCI(e) NIC will restore connectivity if the built-in port is dead.

If the adapter is present but misbehaving, get the vendor-specific driver for the exact NIC model and Windows 7 from the manufacturer. If unsure about opening the case or replacing hardware, a local repair shop can confirm a physical failure safely.

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..reinstall your LAN driver..

lol, download the appropriate LAN driver, compatible with your computer model.

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