wire working but wireless not?
 

I have linksys wireless-g broadband router"WRT54G2" connect with internet provider.my issue when connect wire to router in any port for lan my wireless disappear,when remove wire the wireless working again.how to fix this problem.I'm need really help to fix this

Has it ever worked in the past? It sounds like some sort of weird crosstalk or hardware issue to me.

Maybe download new firmware for the router, or reset it and see what happens? Otherwise I agree with Racin.

i did reset and update new fw but still no fix it.all connection wire are type T568B,it need T568A connection to work?

Ethernet crossover cable - Wikipedia, the free encyclopedia

I think it's a hardware issue that you won't be able to fix.

Did you reset, or did you restore to factory defaults? I'd do a restore to factory defaults, but RacinReaver is probably right, it's most likely hardware related. Linksys does offer 24/7 free technical support. In my experience, if you bitch and moan to them enough they'll swap it out (I've gotten 2 swapped out).