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CPU Fan


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#1
William C Evans

William C Evans

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Hi,
I am hoping somebody can help as it's driving me totaly crazy.
I purchased an Acer Laptop from Comet just over a year ago running
Windows Vista Basic. When Windows 7 was launched I thought that my
PC deserved a well deserved upgrade. Oh my god do I wish that I had
not bothered. Basicaly Windows 7 runs great on my PC and it starts up
and runs fast. I have however got a problem. Every now and then
when my PC gets a little warm it shuts down without any warning or
notification. Thinking about it the only time that I hear the fan
is when I first turn on the PC and it's on the BIOS screen. It starts
and stops within seconds and thats the only time its on.
I have spoken to Microsoft who have said that it is nothing to do with
Windows 7 and that its one of two things. Firstly two much dust on the
fan. Secondly the power cable to the CPU for the fan has come loose.
Stupid thing is I have removed the back cover of my laptop and checked
the wiring and used a can of compressed air to blow the fan out. Guess
what the CPU fan still does not work. Can somebody help please as I
am getting concerned that this continuous over heating is going to damage
my system completly. Ohhhhh update I have just heard my fan kick in and its
still running now. Not very fast from what I can here. Core is running at
56 degrees Celcius however it does not even list CPU temperature. I am using
Fan Speed downloaded via your website and it does not show as much detail on
mine. I know I am dense, I only know how to use a PC in basic terms. Sorry.
Any help would be great.

Regards
William :) :)
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#2
Ferrari

Ferrari

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Hi William C Evans, welcome to Geekstogo!

So the cpu fan is definitely working now? 56 Celsius is a bit warm, but not completely out of range. Did you just blow out the cpu area? What about the vents along the sides and bottom of the laptop? Blow out in area you can.

Let's get some more info also.

Are all drivers installed?
  • Click Windows Orb (Start)
  • Right Click "Computer"
  • Select "Properties"
  • In the top left corner, Click "Device Manager"
  • Any yellow exclamation points or question marks? Red X's?
Install PC Wizard (lets check fans and temps):
  • Click PC Wizard in my signature
  • Click PC Wizard 2010.1.93 on the top left
  • Save the file to your Desktop
  • Double Click the setup file
  • Follow installation instructions
  • Once installed, open PC Wizard up
  • Click "Tools"
  • Select "Options"
  • On the "View" tab, tick "sensors in real time"
  • On the "Monitoring" tab, tick "force fan detection"
  • Click OK
  • Click the Posted Image icon
  • Click the refresh Posted Image icon
What do the temperatures say? What do the fan speeds say? Posting a screen shot is best, or post the information in your next reply.

Posted Image

Lets double up on temperature checking:
  • Download CoreTemp
  • Select whichever your OS is, 32bit or 64bit (if you don't know, select 32)
  • Open with Windows Explorer
  • Click Extract Files (save to a location you can remember)
  • Double Click Posted Image
  • Post ALL information or post a screenshot
Posted Image

That's all for now, let me know. :)

Edited by Ferrari, 19 February 2010 - 12:24 AM.

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#3
William C Evans

William C Evans

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Thank You Thank Thank You
I am starting to feel realy positive now that some out there can help me :) :)
I have added a screen shot of Core Temp but have had to copy and paste
pc wizard as could'nt figure out how to get a screen shot of it.

Checked in Device Manager there was no Explanation Marks, Question Marks
or X's of any description.

Need any info please ask, just want to save my computer without having
to jump up and down on it :) :)

Thanks Once Again

Attached Thumbnails

  • CoreTemp_Scr.png

Attached Files


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#4
Ferrari

Ferrari

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Your temperatures about the same as you originally reported. They are warm, but this is pretty common with laptops since the hardware is so constricted with not a lot of ventilation. Have you cleaned out all of the vents around the laptop? On the bottom?

As a minor stress test, open up CoreTemp. Run your Browser, some other program like Outlook/Word, and run an Antivirus scan at the same time. Wait a minute or two, post another screenshot of CoreTemp. This is to see what the temperatures get too while the computer has to work a little.

I'm fairly certain that your computer is overheating, and the only thing that I think would cause this is poor ventilation(dust clogged up the vents), processor is not seated correctly, and/or the fan is not working 100% of the time/how it's supposed to be working. Laptops are more difficult to work on, and they are all designed a little differently. Having a professional in your area look at it might help.

However, lets not jump the gun. Let's test the memory, and hard drive.

Guide to Memtest86+ and Video Guide by Ferrari. Another more "real" test is running your laptop with only 1 stick of memory, does the problem persist? Try the other stick, does the problem persist? Trial and error, see? NOTE: Even just 1 error found by memtest means you have a bad stick of RAM.

Hard Drive Diagnostics Video by Ferrari. You need to know the brand of your hard drive for this test which may require opening up your laptop/desktop. Also, to boot from a bootable cd, set the "boot priority" in your BIOS to CD ROM first, Hard Drive second. Enter the BIOS by pressing the appropriate key for "setup" displayed when starting your computer. Act quick, if you miss it, try again.

Let me know how it goes. Good luck.

Edited by Ferrari, 18 February 2010 - 11:50 AM.

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