My WIndows XP Service Pack 2 Won't Connect To My xfinity Modem/Router?

My Windows XP Service Pack 2 Won't Connect To My xfinity Modem/Router Thing And I'm Useing A LAN Connection, and my computer is Compaq Deskpro en Additional Details Well My Wi-Fi Works With Iphones, Ipods, Laptops But Not This Desktop If anything I Think It Just Needs New Drivers But i Don't Know Which Ones: I

Download this driver - https://downloadcenter.intel.com/Detail_Desc.aspx?DwnldID=18717
Choose on what architecture your system is installed then agree terms and conditions to start download.

Install it and it will solve your problem.

Generally, People use this driver on Windows Xp Machine with Intel Installed.

First you need to check if your network adapter drivers are installed.
To do this go to "Control Panel", then to "System", then "Hardware", then "Device manager".
Look for "Network Adapters". Click the plus sign and see if your network adapter is installed ok.
If you see a yellow question mark it means something is not installed properly.
You did not mention your computer model number.
The drivers for the Deskpro pc are here…
http://h20565.www2.hp.com/portal/site/hpsc/template.PAGE/public/psi/swdSelector/?javax.portlet.tpst=867000c4cf25636cc859bfdeb053ce01&javax.portlet.prp_867000c4cf25636cc859bfdeb053ce01=wsrp-navigationalState%3D_oid%25253D96266%25257CimplicitModel%25253Dtrue%25257C_op%25253Dnavigate&javax.portlet.begCacheTok=com.vignette.cachetoken&javax.portlet.endCacheTok=com.vignette.cachetoken

Get the driver for "Lan" if you need it.
If your Lan network adapter is installed ok but you have a red X over the small network icon on your taskbar at the bottom of the screen it means the cable is not connected to your router or computer properly.
Open Internet explorer and click on the diagnose connection problems. It might help.

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