I have been a PC tech, a systems admin, and a network admin. I did EVERYTHING to try and resolve this issue on my daughter's desktop. We are using a wireless USB Network adapter and more times than not the internet just crawled or cut out completely.
Things I tried:
- Resetting the adapter
- moving the adapter
- reinstalling the adapter SW
- using a different wireless USB adapter
- AntiMalWare Scan
- disabling the onboard wired adapter through Device Manager
- Flashing Bios
- updating USB drivers in Device Manager
- Reinstalling Win 7 Ultimate from scratch
I was going crazy..... The signal was FULL at 4 to 5 bars at all times. (Her bedroom is on the 2nd floor... kind of far from the wireless router)
The resolution? Well.... I noticed that when I moved away from the adapter, the web pages loaded instantaneously. The problem was that even though it showed 4 or 5 bars, we were blocking the signal to the adapter when we were sitting in her chair). I moved the adapter using a long usb connector cable and situated it where it would not be blocked at all while sitting in front of the monitor.
The moral of the story? Before going nuts, move the adapter so that it is free and clear of all obstructions!!!! 4 or 5 bars mean nothing.... The signal bar may still show full even though the adapter is blocked.