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At 10:01 PM 3/30/2016, Brian Kemp wrote:
>John - You may have a dust problem. Remove the power cord and open the
>computer. Take a shop vac that blows or some compressed air and
clean things
>out. It is best to do this outside.
John,
If you blow down the inside of the computer with compressed air, put
a finger on
the fan on the CPU. You don't want it to turn. The compressed air can spin up
the fan a lot faster than it is supposed to run. So a DC motor being turned
externally becomes a generator, and spinning faster then design speed causes it
to output a higher voltage than it runs on. This overvoltage is
being applied back
to the mother board and can back feed the CPU and cause it to fail.
John
John T. Blair WA4OHZ email: jblair1948@cox.net
Va. Beach, Va Phone: (757) 495-8229
48 TR1800 48 #4 Midget 65 Morgan 4/4 Series V (B1106)
75 Bricklin SV1 (#0887) 77 Spitfire 71 Saab Sonett III
65 Rambler Classic
Morgan: www.team.net/www/morgan
Bricklin: www.bricklin.org
If you can read this - Thank a teacher!
If you are reading it in English - Thank a Vet!!
From Dennis Prager - The American Trilogy:
e pluribus Unum, "from many, one."
In God We Trust
Liberty - the power of choosing, thinking, and acting for
oneself; freedom from control or restriction
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<font size=3>At 10:01 PM 3/30/2016, Brian Kemp wrote:<br><br>
>John - You may have a dust problem. Remove the power cord and
open the<br>
>computer. Take a shop vac that blows or some compressed air and
clean things <br>
>out. It is best to do this outside.<br><br>
John,<br><br>
If you blow down the inside of the computer with compressed air, put a
finger on<br>
the fan on the CPU. You don't want it to turn. The compressed
air can spin up<br>
the fan a lot faster than it is supposed to run. So a DC motor
being turned <br>
externally becomes a generator, and spinning faster then design speed
causes it<br>
to output a higher voltage than it runs on. This overvoltage is
being applied back<br>
to the mother board and can back feed the CPU and cause it to
fail.<br><br>
John<br><br>
</font><br />
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<br>
<div>John T. Blair WA4OHZ email:
jblair1948@cox.net</div>
<div>Va. Beach,
Va
Phone: (757) 495-8229</div>
<br>
<div> 48
TR1800 48 #4 Midget 65 Morgan 4/4
Series V (B1106)</div>
<div> 75 Bricklin SV1 (#0887)
77 Spitfire 71 Saab Sonett III</div>
<div>
65 Rambler Classic</div>
<br>
<div>Morgan:
<a href="http://www.team.net/www/morgan"; EUDORA=AUTOURL>
www.team.net/www/morgan</a></div>
<div>Bricklin:
<a href="http://www.bricklin.org/"; EUDORA=AUTOURL>www.bricklin.org</a>
</div>
<br>
<div>If you can read
this
- Thank a teacher!</div>
<div>If you are reading it in English - Thank a Vet!!</div>
<br>
<div> From Dennis Prager - The American Trilogy:</div>
<div> e pluribus Unum, "from many,
one."</div>
<div> In God We Trust</div>
<div> Liberty - the power of
choosing, thinking, and acting for </div>
<div>
oneself; freedom from control or
restriction </div>
<br>
<br>
</html>
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