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New Build Issue - No Boot?

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#1 24DATA


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Posted 08 November 2007 - 09:18 PM


I am having a big issue!

Just completed a new build and the following is happening:

Turn on the power switch at the back of the case and the:
1) 'green light' on motherboard comes on
2) All the fans start up
3) Hard drive number 1 turns on (felt for vibration)

Then I press the 'power' button on the front of the case and:
1) DVD's power up (lights come on)

But no boot up happens and
1)No 'HDD light' comes on at case front
2) No signal to monitors
3) No 'power on' light on case front

I have not come accross this before. Here are the specs:

Antec P180 Case
Enermax 600W PSU SLI / Server Ready, PFC
Thermaltake Jungle 512/Socket 775 CPU Cooler
Intel 975XBX2 Motherboard
Intel Core 2 Duo Processor 3.0ghz 1333FSB Socket 775
Crucial 4096MB PC5400 DDR2 667MHz (4 x 1GB strips)
Segate 160GB Serial ATA 7.2k 8MB Cache
ATI X800XL 256MB (x 2)

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#2 dc3


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Posted 09 November 2007 - 09:56 AM

Recheck all of your connections, make sure that all of your RAM and add on cards are properly seated. Is the heat sink and fan connected to the CPU with thermal compound, is the power connector for the CPU connected? Are there any beeps when you first power it up? Have you tried clearing the CMOS?

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#3 garmanma


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Posted 09 November 2007 - 02:01 PM

If the computer tries to start the minute power is applied to it you have your front panel connections mis-matched. Re-check the labels by the pins on the motherboard or you have a short somewhere. Did you use standoffs and put them in the proper place? You might try it on the bench out of the case
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#4 Sneakycyber


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Posted 10 November 2007 - 03:49 PM

I agree with mark when you plug the computer in and turn on the power supply via the back panel switch the computer should not turn on. You may have your PWR LED and PWR SW mixed up. or your HDD LED and PWR SW.
Chad Mockensturm 
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