Secondary monitor black out

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smoothy0007

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Joined
Jan 19, 2013
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hi need help with my secondary external monitor im using a samsung r440 laptop windows 7 ultimate intel i3 2.40GHz
4gb ram 32 bit ati mobility radeon HD 4500 series now i have an external monitor which used to work perfectly fine i went on a vacation for 1 week when i got back my secondary monitor is detected but the display is black when my screen on my laptop works fine when i take a screen shot it shows that my desktop is ok on the secondary screen i tried to swap monitors but the same problem happend's i updated all my drivers dont know where to go from here please help asap
 
Joined
Jan 15, 2013
Messages
19
connect your external monitor. click start and type display. on the search box.

from the search results click connect to an external display


you should be able to choose your external monitor.
 
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