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If this is referring to the Lan (on board adapter -rj45 cable plug ) ..try to see if it is a driver related issue ...and to do this ..download the correct driver for ti from the support site ..and run it again ..restart and see the changes..If it is still the same it means your card is corrupted and need to be changed...(which can be a issue if it is on board) ..If you have a pci port available you can try to install a new card for network ..or use the wireless card to coonect to the net ..(install a router to the main net cord... use a desktop or another computer to make the settings and use your laptop wireless ) or ..if this error is on the wireless card ..buy a USB wireless adapter and use it .. or ..if you are satisfied with the cable connection ..a solution can be a usb lan card .. here is a link for examples. http://www.tigerdirect.com/applications/category/category_slc.asp?CatId=589&name=10-100%20Ethernet%20USB This will have to be installed and will run exactly like a Ethernet LAN card ..and it will not require any intervention inside of the notebook .. Good luck ..and please do not forget to rate the answer.
Check in the Device manager to see if all the devices are enable and working.
The one with a yellow ? against that device requires a driver installation.
Is the LAN device OK?
How do you intend to setup your LAN, is it for Internet access or a home network?
I need more information on your problem, together with error messages.
The definition of the sound card, is a chipset integrated into the main board of your laptop, in order to provide sound to your built-in speakers, or to the headphone jack on your laptop. Internet LAN (or Local Area Network) is a port located either on the side or the rear of your computer, where you would plug in a Cable/DSL High-Speed Internet connection, using an Ethernet cable (also called RJ-45). Wireless LAN is the same idea, only instead of using an ethernet cable to provide you access to the internet, it uses a wireless signal or radio frequency, to connect to a wireless access point (usually provided by a wireless router in the area). More in-depth information can be found at the following links:
you can visit the manufacture website of your motherboard or lan card other wise you try the following links www.driversdown.com www.soft32.com,