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I recently installed Ubuntu 12.10 on a Gateway NV53a laptop. I find that when using a wireless connection rather than a LAN cable, my internet connection is very slow and unstable. Normal speeds are about 15-20mb/s, but with wireless, speeds tend to be 0.5-2mb/s. This only seems to happen in Ubuntu 12.10. Wi-fi works fine in Windows 7, and has worked fine in Windows 8, previous versions of Ubuntu, Linux Mint, and Lubuntu. The wireless card is an Atheros AR9287 Wireless Network Adapter.

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