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Windows 7: SMPS fan is not running but motherboard is getting power

09 Mar 2014   #1
soaef

Windows 7 Ultimate 32 Bit
 
 
SMPS fan is not running but motherboard is getting power

Hello

Yesterday my PC shutdown ever 2-3 Hours without any reason.
So I decided to check it what's the problem ,so I just clean the RAM shot and remove the dirt from the case.
An I try to run my PC without closing the case,So when I turn on the power ,My motherboard is getting power signal(green light ) and when I start my PC ,my CPU fan start running but my SMPS fan is not running also I an not getting any display on my screen , also my hard disk light stop working .


My System SpecsSystem Spec
.
09 Mar 2014   #2
RogerR

7 x64 Ultimate
 
 

Quote   Quote: Originally Posted by soaef View Post
Hello

Yesterday my PC shutdown ever 2-3 Hours without any reason.
So I decided to check it what's the problem ,so I just clean the RAM shot and remove the dirt from the case.
An I try to run my PC without closing the case,So when I turn on the power ,My motherboard is getting power signal(green light ) and when I start my PC ,my CPU fan start running but my SMPS fan is not running also I an not getting any display on my screen , also my hard disk light stop working .

If the CPU is overheating (or failed), the system may be shutting down in self-protection. Have you been overclocking? Have you reset the motherboard settings to default?
My System SpecsSystem Spec
10 Mar 2014   #3
Indianatone

Windows 7 x64 Ultimate and numerous virtual machines
 
 

Quote   Quote: Originally Posted by soaef View Post
Hello

Yesterday my PC shutdown ever 2-3 Hours without any reason.
So I decided to check it what's the problem ,so I just clean the RAM shot and remove the dirt from the case.
An I try to run my PC without closing the case,So when I turn on the power ,My motherboard is getting power signal(green light ) and when I start my PC ,my CPU fan start running but my SMPS fan is not running also I an not getting any display on my screen , also my hard disk light stop working .
Replace the power supply. The fan in the power supply will be powered by a 12 volt supply which is also needed by the hard drives, motherboard and video card.
My System SpecsSystem Spec
.

10 Mar 2014   #4
matts6887

Windows 7 ultimate 64-bit
 
 

i agree with roger. You should probably check your cpu fan for overheating. Also, indiana is right; if the video card, etc are not getting the proper voltage; then certain fans may function poorly or in this case not at all.
My System SpecsSystem Spec
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 SMPS fan is not running but motherboard is getting power




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