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Help please New comp. doesnt turn on at all


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#1
ahsesino

ahsesino

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hello all,
well I have a small problem, computer does'nt turn on I know psu and case work fine. by the way everything is new. I try to power on the computer and nothing, I get a creen LED on the psu and a Green LED on MB but when i push the power button on the case no power. every thing is hooked up where it soppuse to go, this is the second board with the same problem both being same board.If anybody have any Ideas please :whistling:
I tested the case and the psu with my old computer and it powers on with no problem. This is what Im running on the new build:

ASUS P5N32-SLI Premium MB
SLI Mushkin 550 watt PSU modular
1 Gig crossair XMS pc5300 675htz.
Intel Pentium D 940
Zalman 9700 CPU fan
Leadtek 6800 GT TDH
Asis C4 case
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#2
ultimateslacker2

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Hi there.

Try these first steps.

1-Make sure the hs (heatsink) is installed properly, tight with thermal paste applied
2-Make sure the cpu fan is connected to the correct header on the motherboard
3-Clear the cmos by unplugging the computer removing the battery then move the clear cmos jumper from pins 1&2 to 2&3 for 10 minutes
4-Replace the battery and move the jumper back to pins 1&2
5-Verify all motherboard jumpers are set correctly
6-Verify all case connections are correct ( case switch ect.)
7-Verify the power supplies 20/24 pin and 4pin 12v are tightly seated to the motherboard
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#3
ahsesino

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Ok so I tried reseting the cmos and this is what happen:
MB green LED on, PSU LED on push power on case and PSU wants to spin but it doesnt, CPU fan doesnt spin no beeps case fans work and on MB fan #1 works only.
Any other ideas?

Edited by ahsesino, 26 February 2007 - 08:28 PM.

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#4
ultimateslacker2

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Since it will not go, try the following out.

1-Remove the motherboard from the case and place on a piece of cardboard
2-Install only the cpu with hsf, 1 stick ram in dimm 1, psu, video card, case switch and case speaker
3-Connect ps2 mouse and keyboard along with the monitor
4-Repeat the above and power on
5-If the computer now boots into bios you most likely had a case short so make sure when installing the motherboard in the case that you use standoffs and they line up with the mounting holes in the motherboard and none of the standoffs touch anything else on the underside of the board.
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#5
ahsesino

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Thank you that worked i was shorted out with the case.
thanks alot for your help
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#6
ultimateslacker2

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Glad you figured out the problem :whistling:

Hope everything turns out well with you :blink:
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