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I recently installed Ubuntu 14.04 alongside Windows 7 pro on a Dell Optiplex 380. I am using an Edimax usb network adapter (EW-7811Un). The network / internet works just like my other computers when booted to Windows (i.e. the same download speed). However, when booted to Ubuntu, the network is sometimes slow and sometimes unresponsive for a period of time. As I was installing updates after initial installation, the downloads often timed out. This has continued when downloading other software or using web mail. I tried to install the current driver from Edimax, but could not get it to fully install. I then called Edimax and they said the usb network adapter should work fine without installing the driver. Any suggestions? I am fairly new to networking and Ubuntu, so please keep that in mind with your responses.

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