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Could any one help solve this problem
i m connecting to PTCL DSL from my laptop and its working properly without any configuration but when i am insrting the same line into my PC (windows XP) cann't connecting to internet

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Useful troubleshooting notes and quick fixes for the ZXDSL 831CII + Windows XP case. Because had a working laptop on the same line while the XP desktop failed, the line and modem are unlikely to be the root cause; local configuration or the PC's network hardware/driver usually is. 's prompt to check drivers is a good starting point. The checklist below covers the common causes and the practical steps that reliably solve this kind of problem.

  • Check physical layer first: confirm modem has DSL sync and the Ethernet port link LED on the PC lights when the cable is connected. Swap the Ethernet cable and try a different modem/router port.
  • Verify the NIC in Device Manager: look for yellow warnings or a disabled adapter. Uninstall the NIC entry, reboot, and install the latest driver from the NIC or motherboard vendor (not just the default XP driver).
  • Confirm TCP/IP settings: set the adapter to obtain IP and DNS automatically unless the network uses a fixed IP. From a Command Prompt run ipconfig /all, then ipconfig /release and ipconfig /renew to test DHCP.
  • PPPoE vs router mode: if the modem is in bridge mode the PC must use a broadband (PPPoE) dial-up with ISP credentials; if the modem handles authentication (router mode) the PC should use DHCP. See the Windows XP broadband setup steps below.
  • Temporarily disable third‑party security software and Windows Firewall while testing (do not leave them off). If that fixes it, add the required exceptions rather than leaving protection disabled.
  • Hardware swap/test: try the working laptop on the same Ethernet cable/port or use a USB-to-Ethernet adapter on the XP box to rule out a failed NIC.

Windows XP PPPoE setup: Control Panel -> Network Connections -> Create a new connection -> Next -> Connect to the Internet -> Set up my connection manually -> Connect using a broadband connection that requires a user name and password -> enter ISP credentials and finish.

If problems persist, try ping the gateway (e.g., ping 192.168.1.1) and a public IP (e.g., ping 8.8.8.8), test in Safe Mode with Networking, or replace the NIC. Keep device drivers from the hardware vendor and remember Windows XP is no longer supported—plan to upgrade for both reliability and security.

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Member Avatar for caperjack

did you check to make sure the network card/device in the winxp machine had proper drivers installed

Edited by caperjack because: n/a
Member Avatar for geoamins2

i have fixed the problem....

Member Avatar for caperjack

i have fixed the problem....

that's great ,care to share how you fixed it ,thanks

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