No POST

Bought my wife a green Alienware case (overstock, cheap) from Tiger on St. Patrick's Day :) I transferred all the hardware from her old PC to the new case. Came to power on - nothing, except all the fans and the CD-RW (although the light was orange, except when the IDE cable was disconnected, then it was green and the drawer would open). No video, no POST beeps, no floppy light. Changed the power Molex's around, new IDE cables, still nothing. So I removed everything - RAM, PCI cards, (video is PCI), IDE cables, still no POST beeps. I'd installed a quieter CPU fan in the transfer, so I figured I'd static'ed something and bit the bullet & bought another mobo/CPU/fan from Tiger. I put that in the case this morning and I still get no POST & no video. The case is beginning to sound suspect, but I don't know how. Please solve my dilemma.
I am about to reinstall the original hardware into her old case & see what happens.
TIA,
Howie.
portnatalAsked:
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SnowguyConnect With a Mentor Commented:
Are you using a new power supply that came with the case?
If so it may be bad try the old PSU.
The fans run on 12v the power supply has 3 voltages 12v 5v and 3.3v. If you loose the 5v or 3.3v it can still act as if it is powering up.  What happens is you don't get power to ram vga or cpu. this is why when the PSU dies or is weak you usually don't get any post warning beeps or video.
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portnatalAuthor Commented:
Yee-Haw!! Thank you Snowguy!! Yes, I am using the power supply that came with the case. I was just about to remove it when I noticed the voltage selector was set at 230v!!! Duh! I switched it to 110v and booted........and got POST and video. Could I have blown anything at 230v? I have reconnected the HDDs/CD-RW and everything looks fine at the moment.

Thanks again Snowguy.
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SnowguyCommented:
Looks like you lucked out if it is booting.
You should be fine.
If it was the other way it may have blown somthing.
i.e set at 110 with a 230 input.
Glad to see you got it working.
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