XP Networking Issue

XP-Pro SP3. Recent re-build after de-ban, all Os / drivers - installed and patched / updated. Issue is that it has stopped connecting to Internet, previously not a problem. Physicals checked - changed cable and port on switch, Check router rules to make sure there are no peculiar rules blocking this one IP. Firewall has been checked and settings good. Nothing untoward showing up in the log files. Can ping inside and outside network with no packet loss. Running the connection diagnostics it suggests that http, https, ports are being blocked. Yet there is traffic on the network connection. If I attempt to load a page, it hangs for 10 - 15 minutes then slowly draws page. would very much appreciate a pointer to a solution.
gavin_dAsked:
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JohnBusiness Consultant (Owner)Commented:
Try a new NIC driver, or uninstall, restart and use the same driver. Usually the vendor site should have an updated NIC driver.

... Thinkpads_User
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JohnBusiness Consultant (Owner)Commented:
For XP, start by looking in Control Panel, Internet Options, Connection Tab, and then the LAN settings button. Make sure all items (Automatic, Configuration and Proxy Server) are all unchecked.

If they are, perhaps try a TCP/IP Repair (even though a new build).

... Thinkpads_User
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nobusCommented:
i suppose you power cycled the router?
can you test with another network card, to be sure?
or test with another pc on this connection -  to see where the problem lies ?  in, or out the PC ?
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Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.

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gavin_dAuthor Commented:
Hi there, should have mentioned that I have already looked at the LAN setting and all are good. I have done a repair and re-install of the Network card software and am in the process of finding another card to install / test. will let you know how I get on with this.
Router has been powercycled (for another reason). All other PC's and laptops using the swith & router all connect with good data download speed. No issues there. Just this one box......
Again will do some more touble shooting tonight
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JohnBusiness Consultant (Owner)Commented:
Let us know how a new network card works. A TCP/IP repair should fix all other issues. Tne new card will refresh NIC drivers.

Did this computer get on the internet before Anti Virus was installed?  You might scan the system for viruses and malware to see.

If the system is clean, try temporarily (a couple of minutes) disabling your A/V to see if that changes page load speeds.

... Thinkpads_User
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nobusCommented:
>>>  ll other PC's and laptops using the swith & router all connect with good data download speed  <<  i suppose you switched the good connection to this 'bad' one - to test?
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gavin_dAuthor Commented:
Hi PC had the anitvirus - basic installed, immediately after initial build, prior to connecting to Internet to register and update....all was working well at that point. Have tried running with and without AV on. No difference. Almost 100% certian issue is with the PC and not any of the peripheral or physicals. I have downloaded a tool from MS to reset the TCP/IP and will run.
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gavin_dAuthor Commented:
Hi Ran the tool - it was initially successful, the internet connection was now working - still slow but connecting. After re-boot, failed again. Further investigation ongoing.
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nobusCommented:
did you try my suggestion yet ?   i suppose you switched the good connection to this 'bad' one - to test?
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gavin_dAuthor Commented:
Hi there, bit of a delay in reply. Yes one of the first things I did was change cable and port. Have already checked and downloaded drivers from the vendor. Last thing to do will be aquire a replacement network card to test.
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JohnBusiness Consultant (Owner)Commented:
@gavin_d - Did you try a new NIC?   .... Thinkpads_User
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nobusCommented:
you can also try this tool :
http://support.microsoft.com/kb/914440
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gavin_dAuthor Commented:
All helped to point to the issue and solution. Many thanks to all
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JohnBusiness Consultant (Owner)Commented:
Thank you and I was happy to help with this. .... Thinkpads_User
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nobusCommented:
can you post the solution?
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gavin_dAuthor Commented:
Hardware error on motherboard - think possibly dry joint. Left PC on for a couple of hours and the Network connection started to pick up. From cold - connection dropped out again. New NIC and all is good. Again thanks to all, all helped o point to the issue and solution.
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nobusCommented:
thanks gavin, for posting the solution !
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