Will not connect to internet through wireless adapter?

[Quantos]

Go into the command prompt.
Then type "ipconfig /flushdns", don't include the quotation marks though.
Then reboot the computer.
Let us know if this helps.

[blissld]

I did that, I thought it was going to work, but then it said it could not connect to the preferred wireless network.
Yet again.

I'm really starting to hate computers. Haha.

[Quantos]

If you are using WPA did you input the key into the laptop?

[blissld]

Our network doesn't have a key.
At least none that I know of, I've never needed one before.

And it's a desktop with wireless, not a laptop.
If that makes any difference whatsoever, I don't know.

[Quantos]

And it's a desktop with wireless, not a laptop.
If that makes any difference whatsoever, I don't know.

No, that makes no difference, I just assumed that it was a laptop. (I know assume makes a....)

Did you try unplugging the router for about a minute and then plugging it back in?
Turn your computer off when you do that, then turn the computer on about a minute after you plug the router back in.

[computeruler]

Try a new wireless card?
Did you update it and then it stopped working?