nvidia card driver not detected: no settings & cannot use HDMI

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http://askubuntu.com – I have an HP Pavilion DM3 3020eb laptop with an Nvidia Geforce G105M graphic card, running a fresh Ubuntu 12.04 Precise Pangolin install. When connecting to a new Samsung S23B550 23 inch LCD monitor the HDMI will not work and the VGA connection will not allow for 1920*1080 resolution. The result is a small resolution (1024*768) that does not look good (fuzzy). I've tried multiple solutions sugested in posts with no good result (including installing the drivers downloaded from the Nvidia page). As far as I can guess, the problem is that the NVIDIA card is present but not recognized and thus (HowTos)