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Old 11-28-2006, 08:47 PM   #1
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Need help please!

So I got a new CPU fan and i installed it, but it took me a lot of force to get it in there and I know I shouldn't have used that much pressure when pushing down. Anyway, I once the fan was installed I turned on my PC and it doesn't even POST. The CPU and system fans spin when i turn it on, but I only get a black screen. I'm thinking it has something to do with the motherboard or CPU because it worked right before I started installing the fan. Sysytem specs
MSI 865GM2 (socket 478)
Thermaltake PSU 430 watt W0069
2x 256mB TwinMos RAM
Celeron D (2.66 gHZ, 533 FSB)

I think I listed the relevant parts. Can anyone help to figure out what's wrong?
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Old 11-28-2006, 08:50 PM   #2
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Are you using onboard video?
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Old 11-28-2006, 08:58 PM   #3
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Also as a side note, I did try the out of the case test where you only use the motherboard,cpu,ram,psu, and monitor on top on my motherboard box!
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Old 11-28-2006, 09:00 PM   #4
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no i'm using a geforce 6600GT (AGP)
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Old 11-28-2006, 09:04 PM   #5
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Make sure it is seated properly - did it come loose? Are all your power cables connected including the 4-pin ATX 12v connector by the CPU socket?
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Old 11-28-2006, 09:10 PM   #6
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yep everything is connected; 4 pin molex for the video card and 4 pin cpu plug. i think my problem is probably from when i accidentlly dropped the screw driver to install the fan on the motherboard. the screwdriver hit the board with the head or screwside, but i figured motherboards are pretty durable,right?
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Old 11-28-2006, 09:12 PM   #7
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I've hit the motherboard like that accidently before with no impact on it at all, but I don't know, motherboards may be made sturdier nowadays. That is basically all the things I can think of... CPU overheating? Any burn smells or extreme heat coming from the processor? Are you sure your monitor is connected and functioning properly? Try 1 stick of RAM only, RAM can cause booting problems. Remove all of your drives, etc.
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Old 11-28-2006, 09:20 PM   #8
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yeah i tried the out of the case test (moving the motherboard, cpu, psu, graphics card, and 1 stick of RAM out of the case), but i still get the same results. could it be when i pushed too hard on the cpu fan that the motherboard or cpu just keeled over and died?
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Old 11-28-2006, 09:23 PM   #9
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What power supply are you running exactly?
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Old 11-28-2006, 09:32 PM   #10
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Thermaltake PSU 430 watt W0069
5V=30A
3.3V=20A
12V=18A
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Old 11-28-2006, 09:33 PM   #11
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And it seems to be working?
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Old 11-28-2006, 09:44 PM   #12
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yeah the fans on it still blow, i can see the cpu and case fans blowing, and it was working a few hours ago. it was after i installed the new cpu fan that i ran into some problems
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Old 11-29-2006, 01:43 PM   #13
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Did you replace just the CPU heatsink fan? If so, make sure that it is blowing onto the heatsink and not away from it.
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Old 11-29-2006, 04:07 PM   #14
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it's a zalmann CNPS 9500 and i made sure the fan is blowing in the right direction, outward toward the back of the case. i'm stumped!
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