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Win8 PC suddenly lost LAN connection and need to completely shut down and turn on to get back connection.

This Win8 running on a HP PC with 12 GB Ram sometimes will suddenly lost the network connection. As the result, no LAN, no internet connection at all. At the same time, other computers around connecting to the same switch are able to connect and have no problem at all.
I have to completely shut down and power off, and after turning power back on the connection is then back normal--- until next time it happens. It may happen once a day but may not for several weeks. What could be wrong? How to fix?

Thanks.

SOLUTION

John

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tankergoblin

you no need to shut down your computer to do this. just disable your connection will do. let me know if you dont know how to do that.

The cause: probably come from your computer if other computer is not affected.

rindi

Besides making sure powermanagement is disabled as has been mentioned above, also make sure you have installed the current drivers from the HP site (also make sure Windows is updated).

ASKER CERTIFIED SOLUTION

McKnife

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Castlewood

ASKER

McKnife,
When it happens, ipconfig shows it is still with a valid IP.
and it can ping all others. but I didn't test if it can be pinged.
It only go through Belkin wifi router and has no other 3rd party firewall.
What do you think?

John

Did you try resetting TCP/IP reset and other suggestions?

McKnife

It can ping all others but "no LAN, no internet connection at all"? Ok... please describe that loss of connectivity a little more and accompany it with error messages.

McKnife

Was it solved?