I bought an ASUS wireless card for my computer (PCE-N13 to be specific) and it seemed to work fine at first at my parents house (with sporadic interruptions that I thought were due to their connection), but when I moved (less than a week after I bought it) it stopped working altogether. Since ASUS for some reason does not have a utility that supports windows 7, I had to find a utility from the author of the driver--a company called RALink--and it shows that something like 90% of packets are received with a CRC error.
That by itself would make me think the signal is just too weak or there is interference, but my laptop and cell phone both have no problems in exactly the same location. I actually sent the wireless card back thinking it was defective, but the new one I got has the same issue. I contacted ASUS support by email and they just suggested reinstalling the drivers without any antivirus or firewall, and trying the card in a different PC. Since I don't have another PC, can anyone think of a reason the wireless card might not work due to the PC itself? Or is it the card just a POS? Keep in mind I've tried a couple different PCIe slots and the other slots seem to be working fine for other cards I have on the PC.