I'm posting this so, hopefully, users with this problem will find this themselves and we volunteers won't need to suggest this possible fix so often.
If you have any kind of lag, including audio dropouts, glitchy looking online video, jerky mouse movements, freezing browser . . . that sort of thing. AND you have the Atheros WiFi/BT combo card, and you have not updated your driver for it, then:
2. Uninstall your current Atheros WiFi driver, either from Control Panel >> Programs and Features (if you have it there) or from the Device Manager >> Network Adapters then right click on the Atheros Wifi and Uninstall.
3. Restart your notebook
4. When your notebook is again in Windows, run Setup.exe from the folder you extracted the driver file to.
5. Follow the prompts then restart Windows again.
Hopefully your notebook will be a bit less glitchy. At the very least, you will have a less problematic WiFi driver. 😉
Read the User's Manual for more info. 😄
G74SX-A1 BIOS 203 Intel 6230 WiFi/BT LG E2350 LED LCD Monitor Intel Series 510 120 GB SSD