Upgrading Nvidia card - 4200 to 5200

['Forum Post]

Boot up with the new card installed, Whether X starts correctly or not,
switch to a console with Ctrl-Alt-F1 and log in there. Then execute 
Code:
--------------------
    sudo dpkg-reconfigure xserver-xorg
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 and just follow the prompts. Then do a 
Code:
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    sudo /etc/init.d/gdm restart
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to restart X. All should be well then. If restarting gdm fails for any
reason and you're stuck in the console you can restart the computer
with Ctrl-Alt-Delete.


-- 
drummer