Having problems with your Toshiba Satellite A75-S206 Notebook ?

Laptop shows 'A network cable has been unplugged" every 5 seconds

\015 My WinXP laptop shows the 'A network cable has been unplugged' message every 4-5 seconds if I use the integrated Realtek RTL8139 network adapter. So connecting to my home network via ethernet cable is out of the question. However, if I use the wireless adapter, it works great. I've tried swapping ethernet cables and haven't seen any difference. I've also updated the driver for the network adapter, but that hasn't helped either.I'm sure it's some sort of config issue, but not quite sure where, since the wireless works fine. Any suggestions?\015

Answers :

Try installing the lastest drivers for your onboard ethernet board:

http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/modelContent.jsp?ct=DL&os=&category=&moid=713723&rpn=PSA70U&modelFilter=A75-S206&selCategory=3&selFamily=1073768663

Go to this site and choose your operating system and choose LAN. Download the one that is not wireless. Download it and install it.

Once your done installing it see if it works properly. If not then change out your cat 5 cable with a new known working one. If it still doesn't work then look at where the cable connects to the outlet and make sure none of the pins are ben are out ao alignment. If they are then move them back into position.

If after all of this the problem still extists then that means the motherboard would need to be replaced.

The Cable may have loose connect to the RJ45 jack get another good cable and it will work. Also make sure that the clip on the RJ45 jack as not broken and make it click when you connect the jack to the Network port on your laptop
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