EMERGENCY!

Martin Laberge mlsoft at videotron.ca
Fri Nov 14 00:42:02 UTC 2008


On Thursday 13 November 2008 16:14:06 Steven Vollom wrote:
> Dotan Cohen wrote:
> > 2008/11/13 Steven Vollom <stevenvollom at sbcglobal.net>:
> >   
> >> I just put together my new computer.  I have never built one before.  I
> >> got to the point where the power is supposed to be turned on.  I left
> >> the side off the computer to adjust fan speed on two of the fans that
> >> came with the case.
> >>
> >> When I turned the computer on, the case fans came on.  There was a
> >> single beep.  Nonetheless the fan on the heat sink did not come on, and
> >> it is fixed to the power post of the motherboard that was made for it.
> >>
> >> I shut down the computer because I believe the processor creates a lot
> >> of instant heat, but I don't know what to do next.  My components are as
> >> follows:
> >>
> >> ASUS M3N-HT Delux Mempipe
> >> Processor is AMD Phenom Quad Black Box 9600
> >> Power supply is BFG Tech ATX12Volt  ES Series
> >>
> >> Two Maxtor 500gb SATA HD's.
> >>
> >> The case fans are connected to the Power Cable that goes to the DVDRW &
> >> Floppy Drive
> >>
> >> The heat sink fan goes directly to the motherboard.
> >>
> >> All the components are new.  The case did not come with a speaker that
> >> would indicate the beeps that advise problems.
> >>
> >> I am using the on-board Video, 8400 Gforce for now; also I am using
> >> on-board sound 8.1.
> >>
> >> Does anyone know if the fan over the Heat Sink not being on is normal
> >> when first turning the computer on?  It took me a year to assemble the
> >> components for my new computer; I can't afford to burn anything up.
> >>
> >> I am very worried.  Could someone who knows please respond?
> >>
> >> Steven
> >>
> >>     
> >
> > I have seen motherboards that will not turn on the processor fan
> > immediately, but my two ASUS machines both turn the fan on right away.
> > You are correct about the instant heat of the processor, but that is
> > only a problem if there is no heat sink (yes, I've done that but only
> > on purpose). With the heat sink you have enough time to boot into BIOS
> > and look at the CPU temp. If it goes over 40 and there is still no fan
> > then shut it down. You've got an AMD processor so there is less worry
> > of overheating it than with an Intel.
> >
> > Now, why isn't the fan coming on? Check that the wires are secure (on
> > both ends) and that they are not damaged.
> I checked the connection on the motherboard.  The other end is connected 
> inside the fan assembly; how do I check that end?  Nothing appears damaged.
> >  Be certain that it is
> > plugged into the right place- sometimes it can be misleading.
> I assembled from the User Guide.  I am confident it is the correct 
> place.  On the motherboard it says CPU_F under the pins. 
> >  Download
> > the user manual for your motherboard if need be, they are easy to find
> > on the ASUS website.
> >
> > Also, are you sure that you have not swapped the PSU's 20-to24 pin
> > adaptor with the bumblebee connector? Both are 2x2 square and although
> > the plastic is shaped to prevent confusing them, they can _still_ be
> > swapped accidentally on most motherboards as the tolerances are so
> > loose. The 2x2 connector with only black and yellow wires (bumblebee)
> > is the separate one.
> >   
> My power supply bound the 20 and 4 pin connectors together so you can't 
> make that error.
> 
> Thanks for the quick reply.  I turned the computer off as soon as I 
> noticed the fan wasn't running, so with your explanation, I am more at ease.
> 
> 

check for the polarity, a little notch.

-- 
Martin Laberge
mlsoft at videotron.ca
Tel:(418)521-6823
30 Years of Unix Admin, and still learning...




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