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Old 07-21-09   #1 (permalink)
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Default Fan Headers not Working

2 of my 5 fan headers are no longer working after changing cases. Everything else on the board works. The CPU fan, exhaust and case fan 1 are working but the mobo will not see fans 2,3 when they are plugged in. Otherwise the board is working I can boot into windows. I just find it wierd and wonder what could have happened ?

System: i7 Workstation
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i7 920 c0 @ 3.4ghz
Motherboard
Asus P6T WS Pro
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Corsair XMS3 12GB
Graphics Card
EVGA GTX 260 SLI
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X-FI Titanium
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Old 07-21-09   #2 (permalink)
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This happened to me before. My OPT_FAN1, CPU_FAN and PWR_FAN were the only ones working.
Turns out I dropped a screw behind the mobo that was shorting something, at least nothing broke.
See if you mounted all the standoffs properly or if some metal debris or object is stuck behind the motherboard.
Just my two cents.
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Old 07-21-09   #3 (permalink)
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Quote:
Originally Posted by hackm0d View Post
This happened to me before. My OPT_FAN1, CPU_FAN and PWR_FAN were the only ones working.
Turns out I dropped a screw behind the mobo that was shorting something, at least nothing broke.
See if you mounted all the standoffs properly or if some metal debris or object is stuck behind the motherboard.
Just my two cents.
Ah I guess it must be one of the standoffs. I'll try again when I get home.

System: i7 Workstation
CPU
i7 920 c0 @ 3.4ghz
Motherboard
Asus P6T WS Pro
Memory
Corsair XMS3 12GB
Graphics Card
EVGA GTX 260 SLI
Hard Drive
(1) WD3000HLFS , (3) WD7501AALS, (1) WD5000AADS
Sound Card
X-FI Titanium
Power Supply
Antec SG 850W
Case
Corsair 800D
CPU cooling
CORSAIR CWCH50
GPU cooling
Stock
OS
Windows 7 Ultimate 64
Monitor
(2) Asus VH236
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