Member Avatar for jeh0016

New to the group... hope I don't violate protocol.

New HP Pavillion Elite Desktop with Vista. Charter Cable. Linksys router to four outlets. Internet connects perfectly with old Dell laptop. New HP will not connect (same cable, same outlet). Sent back to HP once. Repaired ...same story. Still no connection. Cable input into back of machine ok, yellow flashing light and green amber. I have no confidence that the machine will work when it is "repaired" once again.

Any suggestions?

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  • Latest Post Latest Post by Suspishio

Dani AI

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Given what reported (new Pavilion Elite on Vista, same cable/outlet works from the Dell, HP repairs and Windows repair tools tried) and 's pointer to check adapter settings, the next steps should isolate hardware, driver/configuration, and router causes. The goal is to produce repeatable test results you can give HP so they stop guessing.

Safe, high‑value checks to run (one at a time)

  1. Hardware vs OS: boot a Linux Live USB (choose "Try" mode) and test the wired connection. If Linux gets online, the NIC hardware is fine and the issue is with Windows/drivers; if it fails, suspect hardware or router.
  2. Bypass the router: plug the HP into the modem or into the exact port/cable that the Dell used when it worked. If that fixes it, check the Linksys for MAC filtering, DHCP lease table or firmware issues.
  3. Swap the NIC: try a known-good USB-to-Ethernet adapter or a cheap PCI NIC. A working alternate adapter proves the onboard NIC is dead and justifies warranty replacement.
  4. Drivers and firmware: in Windows, uninstall the adapter driver, reboot, and install the latest NIC driver from HP (use another PC to download if necessary). Also check BIOS to ensure the onboard LAN is enabled.
  5. Security and logs: temporarily disable third-party firewall/security software and review Event Viewer (System) for DHCP or driver errors that timestamp the connection attempts.
  6. Reset network stacks (requires admin): run these commands from an elevated command prompt, then reboot:
netsh winsock reset
netsh int ip reset

If the Live USB and a replacement NIC both fail, document the tests and insist on a hardware RMA; if a replacement NIC works, use that as a temporary fix while HP replaces the motherboard/NIC.

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Member Avatar for Suspishio

Have you tried any of the network repair tools?

Can you perhaps post an IPCONFIG /ALL results display?

Member Avatar for jeh0016

Yes, I've tried the repair tools and been online with HP reps for hours. Nothing seems to work. I've also tried the IP config command and eveything seems normal. I'm not at my machine just now but I will recheck when I get home later.

Thanks for the reply!

Member Avatar for Suspishio

I look forward to the IPCONFIG report. Also have you checked the network properties as in:
Control Panel/Network Connections/Local Area Connection

All the tick box items should be checked in the Networking Pane.

For the networking Card, Flow Control should be enabled and Speed & Duplex should be set to Auto Negotiation.

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