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  #1  
Old 25th May 2009, 19:12
New Member Group
 
Hey,

I just upgraded my fan for my CPU and I can no longer boot up. When I press the power button the fans move for a split second and then stop. I have unmounted and remounted the fan with new thermal paste. I tried complete barebones as well - PSU, motherboard, CPU, 1 memory stick. One thing I noticed is that if the 8pin eps12v power cord is unplugged then when you start it the fan runs (but obviously nothing else.) The motherboard light is on too. I have tried another PSU and memory as well. All of these parts worked with the old fan but even putting the old fan back on now doesn't work.

Any help would be appreciated! thanks
  #2  
Old 26th May 2009, 00:16
Donor Group
 
Sometimes the CPU fan is turned off by the BIOS if the temperature is low enough. Are you getting a display?
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My System: 日夏子

Processor(s):
Core 2 Duo E6400 2.13 -> 3.01ghz
Motherboard:
MSI P6N SLI Platinum LGA 775
RAM Memory:
2GB Patriot Extreme Performance
Graphics Card(s):
PNY 8800GTS 320MB
Sound Card:
Sound Blaster Xtremegamer 7.1
Hard Drive(s):
80GB + 500GB
Optical Drive(s):
2x SATA
Case / PSU:
Antec 900 + 620W Aerocool zeroDBA
Cooling:
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  #3  
Old 26th May 2009, 00:48
Administrator Group
 
Although it would be strange why it would die now those are symptoms of text book dead PSU.
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AMD Turion 64 x2 TL-64 2.2GHz
Motherboard:
HP nForce 560
RAM Memory:
2GB DDR2 PC2-5300
Graphics Card(s):
Nvidia 7150M Onboard Integrated
Sound Card:
5.1 Onboard Integrated
Hard Drive(s):
250GB 5400RPM SATA300
Optical Drive(s):
18x CD/DVDRW-DL ATA
Case / PSU:
Stock HP
Cooling:
Stock HP
Network / Internet:
10/100 Nic / 10MB Virgin Cable
Monitor(s):
17" WXGA+ HD BrightView Widescreen
Operating System(s):
Windows 7 Ultimate 32Bit
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