Intel Core2 Duo, starts, shuts down, starts Closed

Question

Hello, 
I have built several computers before but this one has stressed me to no end.   
This is an Intel Core2 Duo 3.06 GHz  (other stats below)  that starts, shuts off, and starts and shuts off.....HELP! 
I've taken it apart to insure that the cpu is seated properly...not too much thermal paste, heatsink/fan sits perfectly and is snug.  Changed and checked psu.   What have I done wrong???? Please help me, any suggestions will be greatly appreciated.  

-  GIGABYTE GA-EP43-UD3L  motherboard 
-  Intel Core2 Duo E7600 Wolfdale 3.06 GHz, FSB 1066MHz, L2 Cache 3MB, Core 45nm 
-  8 GB  G. Skill - DDR2 - 1066, PC 8500, 2GB x 4 
-  SPARKLE GeForce 9400 GT 512MB 128-bit DDR2 PCI Express 2.0 x16 HDCP Ready Low Profile Video Card  
-   Maxtor DiamondMax 100 gb 7200 rpm 
-  WINDOWS XP SP3Configuration: Windows XP Internet Explorer 7.0

deepbreathe · Answer

Hi,



First of all are you able to boot on windows ?



It may be because a compatibility problem ? try using the same mother board with another hardisk.


Also it may be a hardware problem ,or a power problem.

Jeema6 · Answer

I'm trying other monitors, video cards, power supplies, I think it's a incompatibility issue also but.....

Jazriel · Answer

It sounds like a power problem, if the power supply isn't above 450watts, you might need to get a better one, and the other issue that makes me smack my head, is make sure the processor fan is plugged in.. I've forgotten to plug it in the past, and that is exactly what happens. If it's plugged in, make sure it's spinning.

anon · Answer

old post, but anyway, i had this same problem.

disable the C1E and C(2?)E options in the bios. It will solve the constant rebooting. I only discovered this recently. this mobo overclocks like a champ now.

Intel Core2 Duo, starts, shuts down, starts

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