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Windows 7: Upgraded to Win7 Sony Vaio Running Nuclear HOT!!!

11 Dec 2009   #1
Ashma

Windows 7 64bit
 
 
Upgraded to Win7 Sony Vaio Running Nuclear HOT!!!

Hello!

My Notebook is a Sony Vaio VGN-AR790U/B which shipped with Vista 32-bit. Recently I upgraded it with a clean install of windows 7 Professional 64-bit. Using various drivers, I’ve been able to get nearly everything working.

My problem is that ever since installing Win7, my notebook runs VERY hot, as in far too hot to sit on my lap and even worse is the fact that the wrist pad area gets too hot to even type for more than a few minutes at a time. The fan seems to be operating but at a very slow speed which can’t be heard but it is always on. With Vista the same fan would go on and off and when it was on at full blast it was pretty loud.

I have not made any changes to my Bios and upon entering the Bios; I can’t see any options to make any type of changes to anything other than the boot order and password options. I really don’t want to go back to Vista but the heat problem is too much to live with. Any suggestions would be very much appreciated. BTW’ even though the system runs very hot, it has never shutdown even after running it for 48 hours at a time more than once now.

Ash


My System SpecsSystem Spec
11 Dec 2009   #2
Frostmourne

Windows 7 Ultimate x86-64
 
 

I'd contact Sony if your model hasn't been discontinued and its under warranty. You probably won't find anything in the BIOS for a laptop.
My System SpecsSystem Spec
11 Dec 2009   #3
Nikolay

Windows 7 Ultimate x64 | Windows XP Pro x86 | Windows Vista Ultimate x86
 
 

Quote:
BTW’ even though the system runs very hot, it has never shutdown even after running it for 48 hours at a time more than once now.


I don't think you should keep it on for over 48 hours..
My System SpecsSystem Spec
11 Dec 2009   #4
Barman58

Windows 8.1 Pro x64 x3 + Windows 10 Preview, Ubuntu
 
 

As you did a clean install the original drivers for the fan control were removed

First place to check is the Sony support website - looks like you need either a win7 system driver or Bios update.

If there is not a specific win7 driver try to install the Vista driver, this should work fine with win7 until a specific driver is available.

Also make sure that you get the correct 64bit driver
My System SpecsSystem Spec
11 Dec 2009   #5
Ashma

Windows 7 64bit
 
 

Thank you very much for the quick reply guys.

Barman58, I'm not sure I know which driver it is that controls the fan? I have used some of the old drivers for some of the hardware and that has worked out.

Nikolay, I left the system on to transfer 100GB's of data, do a virus scan and to let a few other programs do long tasks.

Frostmourne, no longer under warranty because of the Win7 upgrade. Also I was under the impression that the fan is controlled by the Bios and as far as I know, there have been no changes to my Bios.
My System SpecsSystem Spec
11 Dec 2009   #6
Frostmourne

Windows 7 Ultimate x86-64
 
 

If you look for the model on Sony's website, you should find a driver for fan, and I meant to say there is no option in a laptop's BIOS, unless its been added.
My System SpecsSystem Spec
11 Dec 2009   #7
Barman58

Windows 8.1 Pro x64 x3 + Windows 10 Preview, Ubuntu
 
 

The fan should be controlled by the motherboard or general system drivers rather than a specific named driver


Think this may be the one ....

http://esupport.sony.com/US/perl/swu...=3320&os_id=30

Full driver set is here ...

http://esupport.sony.com/US/perl/swu...0UB#div_pos_66
My System SpecsSystem Spec
11 Dec 2009   #8
Ashma

Windows 7 64bit
 
 

Thank you Nigel! I had seen that page and downloaded some of the drivers for things that I knew of but I did skip over that Intel driver. So now I have installed it and restarted the PC as it requested. So if this is correct then the fan should start running loud and fast again as it did in Vista?

Ash
My System SpecsSystem Spec
11 Dec 2009   #9
mushroomboy

Windows 7, Linux
 
 

Also you could see if the cool n' quiet features got messed with? The bios can control fan speeds and they usually have temp options in witch to asses what it needs to do. If you haven't ever changed the factory defaults that the bios started you can always muck around a bit. I know a lot of people are afraid of the bios, but as long as you don't mess with clock speeds or anything you should be just fine. Also a lot of heat gets generated by bad batteries charging.... In fact they can cause a lot of the heat, especially if it gets overcharged... Which brings up another topic, how windows is detecting the battery and charging it. Just another idea.
My System SpecsSystem Spec
12 Dec 2009   #10
sergiogarcia9

 

Try to clean the fan. It might be dust that causes the problem
My System SpecsSystem Spec
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 Upgraded to Win7 Sony Vaio Running Nuclear HOT!!!




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