Whenever I have problems like this, I unplug EVERYTHING (especially modems and routers) for a full five minutes. Then I plug in modem, wait for five, then router (if applicable). Routers are a good defense against predators too. This "resets" the devices, giving them a little break. The modems are always on and can get bogged down. This is often and easy fix, and can't hurt anything even if it doesn't work!
I would also highly recommend checking the security settings for any wireless connection. I do not have a wireless connection, but never have a problem getting one when I need one.
Do you have a good defense program? I highly recommend PC Cillin (http://housecall.trendmicro.com/) although I am not sure it is Mac friendly yet. This site has a FREE scan!!! It is truly free, and doesn't ask for money to "fix" the problems. You can run the free scan often, but it will not 'prevent' problems. Since I have purchased this software my computer has run very well.
ALSO, the long weekend made my speedy connection horribly slow...
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I would also highly recommend checking the security settings for any wireless connection. I do not have a wireless connection, but never have a problem getting one when I need one.
Do you have a good defense program? I highly recommend PC Cillin (http://housecall.trendmicro.com/) although I am not sure it is Mac friendly yet. This site has a FREE scan!!! It is truly free, and doesn't ask for money to "fix" the problems. You can run the free scan often, but it will not 'prevent' problems. Since I have purchased this software my computer has run very well.
ALSO, the long weekend made my speedy connection horribly slow...
Good luck.