Boot problems. Help!

Intel/ocz / E8400/800mhz reaper
March 17, 2009 at 05:15:42
Specs: Windows Vista 64, Core 2 Duo/DDR2 PC6400
Hi all. Wel I have a few problems that I'm quite concerned about. First details. Pretty green with PC's, especially when it comes to building them. This is my first attempt.

PC - Intel Core 2 Dup E8400
Mobo - Gigabyte GA-EP45-UD3R
RAM - OCZ DDR2 (2 x 2gb) Reaper PC6400/800Mhz
PSU -Corsair HX-620
GFX Card - HIS 4850 IceQ4 Turbo x 512
Optical - Pioneer bluray player.
HDD - Samsung Spinpoint 7200RPM 500GB
Case - HAF932

Problem. I put the PC together. No Thermal Paste, minimum screws in the mobo, and cables anywhere. Booted it fine. Installed Vista 64, mucked around with some installed proggys (Crysis, which looked amazing ;) Firefox vent etc. etc.) Looked and worked great. So, I came home and thought, ok, I'll pull the heat sink off, add a touch of thermal paste, add the cover plate for the plug area (forgot it first time around. So I had to unscrew the mobo and video card from the case and move it ever so slightly). Re-screwed it all back up, then did the Thermal paste. Then proceeded to run all the cables through the holes in the case side, to get them all oout of the way. Did them one at a time and replugged them. Now time for re-boot. :(

Nothing happened. Well, it started as i thought it would, but then the CPU fan stopped after a few seconds, and restarted. All the case fans seemed to be intermittent. It was as if the power was not consistant? I plugged the monitor/mouse/keyboard in, and had no power to any of them?? Needless to say I'm pretty worried.

I've been very careful with everything, handling etc. Static shouldn't have been an issue in my environment. The only pain has been the heatsink. What a nightmare they are to get in. :(

Please help. For something to have gone so well and now so badly is killing me.

Kind regards,

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March 17, 2009 at 08:36:33
Why would you have installed the HSF without paste, knowing that you would have to remove it & do it anyway? Assuming it was a brand new stock HSF, didn't it already have a thermal pad preinstalled? If so, did you remove the pad, then apply paste? or did you apply paste in addition to the pad? My guess is you botched the installation.

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March 17, 2009 at 08:59:34
It could be turning off within seconds due to one or two things.

CPU overheating or a short that has developed between the motherboard or another component and the chassis of the case. Try it with just thermal paste, a small amount is best. Make sure the CPU fan is plugged in.

Manufacturer: Gigabyte technology co., ltd.
Model: 965p-ds3
OS: Microsoft Windows XP Professional
CPU/Ram: Core2Duo E6850 @ 3.699 GHz / 2046 MB
Video Card: NVIDIA GeForce 7800 GTX

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