Laptop connects to wifi, but no internet

Well since yesterday my laptop can't really go online anymore, I haven't really done any changes to the router at all, but the laptop kinda just stopped. There's no spyware, viruses or anything. It connects perfectly fine to my wifi, but can't get any website. I've tried disabling WPA, and Mac Filters, and got nothing still getting the Firefox and IE message, Unable to connect.

I'm havng a similar problem.  Recently, a desktop running xp is having trouble retrieving webpages.  It connects to the router fine, and to the internet, but IE and Firefox give the could'nt find webpage error.  Other programs like avg and windows update can download updates without trouble.  I thought it might be malware but, connecting wirelessly using the same usb adapter with a Dell laptop, gives the same errors.  My desktop and my DS conncect fine.

>>1
How many machines do you have trying to connect to the internet at any given point? It could be that your ISP only gives you a certain number of IP addresses, so when your computer tries to request an IP from your ISP's DHCP server it doesn't get one, but you can still connect to your local network.
If you can ping other machines on your local network, that could be what's happening. If not and you're sure nothing has changed, try replacing your network cable. Faulty cables can give mysterious errors.

>>2
This sounds like a DNS issue.

>>2
sounds like time to make the switch to Opera

OP Here, turned out to be Zone Alarm that somehow fucked it up. Uninstalled it and everything works fine, tried posting back then but kept getting a posting error(thatfuckingface.jpg) Forgot that I had zone alarm, so took it out since my router has firewall and whatnots.

>>5
Software firewalls aren't meant to do the same thing as hardware firewalls.
As a general rule, hardware firewalls protect you from inbound connection attempts, and oftware firewalls protect you from unauthorised outbound connection attempts (since Winfags can't be trusted to keep their computers free of viruses).

>>3
>This sounds like a DNS issue.
Nope, turns out that this, too was ZoneAlarm faggotry.
Turning it off solved the problem.
but thanks for your help

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>>8
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