Computer Hardware Need advice on overheating

>Hi,
>
>I have an Antec SP-500 power supply that supposedly only turns on the
>secondary fan when neccessary. Yesterday my monitor went black, I felt
>the case and it felt quite hot. I rebooted and installed SpedFan to
>check.
>
>I got the following
>
>HD0 29C
>HD1 28C
>Temp3 70C (this fluctatues between 68 and 70) !!!
>Temp2 28C
>Temp1 35C
>
>Fan Speed
>Fan1 0 RPM
>Fan2 2813 RPM
>Fan3 0 RPM
>
>I am wondering why, if Temp 3 (not even sure where that is) is so
>high, why have none of the other fans kicked in? I had the computer
>off all night and just turned it on in a 19C room. By the time it
>booted up and I could run speeed fan, temp3 was back to 69C even
>though the case felt cold.
>
>I tried opening the case and running a desk fan on high as a test but
>Temp 3 never went below 68 (all the others dropped quite a bit though)
>
>Could this be a false reading?
>I am concerned that something is going to fry.
>Thanks for your thoughts in advance.

> On Wed, 7 May 2008 06:07:27 -0700 (PDT), tedgei...@gmail.com
> wrote:
>
>
>
>
>

> >Hi,

>

> >I have an Antec SP-500 power supply that supposedly only turns on the
> >secondary fan when neccessary. Yesterday my monitor went black, I felt
> >the case and it felt quite hot. I rebooted and installed SpedFan to
> >check.

>

> >I got the following

>

> >HD0 29C
> >HD1 28C
> >Temp3 70C (this fluctatues between 68 and 70) !!!
> >Temp2 28C
> >Temp1 35C

>

> >Fan Speed
> >Fan1 0 RPM
> >Fan2 2813 RPM
> >Fan3 0 RPM

>

> >I am wondering why, if Temp 3 (not even sure where that is) is so
> >high, why have none of the other fans kicked in? I had the computer
> >off all night and just turned it on in a 19C room. By the time it
> >booted up and I could run speeed fan, temp3 was back to 69C even
> >though the case felt cold.

>

> >I tried opening the case and running a desk fan on high as a test but
> >Temp 3 never went below 68 (all the others dropped quite a bit though)

>

> >Could this be a false reading?
> >I am concerned that something is going to fry.
> >Thanks for your thoughts in advance.

>
> You have no guarantee what Speedfan is reading. =A0Check all
> other fans for proper operation and that they're free of
> excessive dust buildup. =A0Check the bios hardware
> health/monitor page to see if it has temp reports there.
>
> Temps may slowly increase from thermal compound degradation
> but this seems more sudden, since the monitor goes out I
> would tend to suspect the video card first, although bad
> power or bad motherboard might cause it. =A0You might examine
> motherboard for failed capacitors and use a multimeter to
> check PSU voltages (and/or check bios hardware reporting
> page), swapping in another PSU if no other fault can be
> found and the same goes for video card.
>
> If you can determine the CPU is overheating, take the
> heatsink off, examine the interface, clean it off and apply
> fresh thin layer of thermal compound. =A0If it uses the
> original thermal interface material you may need rubbing
> alcohol or a petroleum solvent to cut through the material,
> dissolve it to more easily wipe it off.
>
> The temp could be a false reading. =A0Since you hadn't ran
> speedfan previously to have a baseline figure for these
> temps, they might not be an accurate indication of anything
> and you may have another cause of the problem - whether it
> be something overheating or not.- Hide quoted text -
>
> - Show quoted text -

>
> Thanks so much for that very thorough reply. Some of that may be
> beyond my capabilities but I will go through as much of that as
> I am comfortable with to see what I can do. ...

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>Thanks so much for that very thorough reply. Some of that may be
>beyond my capabilities but I will go through as much of that as I am
>comfortable with to see what I can do.
>Very much appreciated Kony!
>