Where is my HP w2408h monitor on windows 7?

Just bought a new computer with Windows 7, 64-bit and it won't find our hp w2408h monitor.  Everything is connected properly at the back but when powered up, the monitor does not find any input signal
nuttalmAsked:
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Rory de LeurConsultant End-User ComputingCommented:
Did you try the monitor on another computer/laptop?
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nuttalmAuthor Commented:
Our former tower was having many problems and getting up there in years, so we just replaced it with a new tower.  However, once everything was plugged and we pushed the button, the monitor just shows "no input signal."
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Rory de LeurConsultant End-User ComputingCommented:
What did you try till now?
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nobusCommented:
test with another cable and monitor first.
if those are ok, you may have a bad video card.
since the pc is new, i would ask a warranty replacement !
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nuttalmAuthor Commented:
Same problem with another monitor...turns out it was a faulty power supply.  Comapny replaced it and we're good to go now.  
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nuttalmAuthor Commented:
Simple suggestion was given to test on another monitor. Not really new information.
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nobusCommented:
what power supply?  from the monitor or pc?
if it was from the monitor, then my suggestion solved the problem, and deserves better than a C grade.
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nuttalmAuthor Commented:
The power supply in the tower, not the monitor.  
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nobusCommented:
now THAT is strange ! never saw it..
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nuttalmAuthor Commented:
I know, weird right.  It worked fine when it was at the shop before they delivered it, but when we hooked it up...not enough power.  The lights came on but it was giving enough power to fully power the machine.  
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nobusCommented:
it has it's own power supply right?
that's what making it weird to me..that it needs more power from the pc??
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