[ubuntu] 12.04 Wireless keeps disconnecting after upgrade

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http://ubuntuforums.org – I just upgraded from 11.10 to 12.04 (again), and my Wireless network started to disconnect when I download a bigger file (etc. Google Chrome deb-file ~31,5 Mb ). Here's my driver-info, already tried this one, without any luck: http://ubuntuforums.org/showpost.php...29&postcount=6 Code: *-network                    description: Ethernet interface       product: MCP73 Ethernet       vendor: NVIDIA Corporation       physical id: f       bus info: pci@0000:00:0f.0   (Hardware)