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Windows 7: SONY VAIO laptop powers down automatically

31 Jul 2012   #1

Windows 7 Home Premium 64-Bit
 
 
SONY VAIO laptop powers down automatically

Hi

I recently opened my laptop (already void of Warranty) to clean up the dust from the FAN which was giving so much of noise. After replacing the fan - i was able to control the noise - but my laptop starts to powers down automatically. This does not happen always.

I checked the below things
1) Power Supply - no issues
2) Battery - no issues

I am not sure what is causing the laptop to power down automatically. What else should i check to ensure nothing is wrong

Rgds
Vasanth

My System SpecsSystem Spec
.

31 Jul 2012   #2

Windows 7 Home Premium 64-Bit
 
 

Is this such an isolated incident? or a stupid question? 90 views but no suggestions?
My System SpecsSystem Spec
31 Jul 2012   #3

Windows 7 Ultime x64 SP1
 
 

Did you remove any parts such as the fan, heatsink etc.
Have you left the case open to check to see if the fans spin on startup
You can monitor temperatures with Speedfan.
Could it be windows power management shutting it down?
My System SpecsSystem Spec
.


13 Aug 2012   #4

Windows 7 Home Premium 64-Bit
 
 

I removed the fan set - but after cleaning the dust inside - i replaced all the parts just as how it was. I am downloading the Speedfan - how would this help me? what am i looking for? If i start using some software and when suddenly the fan starts to run fast and later the system switches off
My System SpecsSystem Spec
13 Aug 2012   #5

Microsoft Community Contributor Award Recipient

MS Windows 7 Professional 64-bit SP1
 
 

To check if the fan is actually working, because the laptop will power down if it reaches a certain temperature.
My System SpecsSystem Spec
13 Aug 2012   #6

Windows 7 Home Premium 64-Bit
 
 

Thanks !
I am trying to understand that tool right now.

How do i control the fan speed ? Is there any way i could change it so that the system does not switch off? It does not happen after prolonged use and all - system shuts down even just one program is active in the system
My System SpecsSystem Spec
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 SONY VAIO laptop powers down automatically




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