Hardware trouble? Me? Or ...??

g geleem at bellsouth.net
Thu Aug 7 19:14:36 UTC 2008


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Beartooth wrote:
<snip>
>         It hung up, early in the reboot sequence -- just starting
> to shut down, in fact, iirc. Reset button did nothing; power
> button did nothing; I pulled the plug, and walked away.

never just pull a power cord, unless that is only way to remove power.
if it is, pull *fast* by _plug_, _never_by_cord.

you need to pull fast to cut down arcing that is caused between plug
and receptacle. arcing causes a current rush which can be very harmful,
and damage a power supply.

if you pulled by cord, try another power cord. you could have separated
cord wires from plug.

> 	Btw, I don't speak hardware; but I have a very capable young 
> friend who is just getting into the business of making computer house 
> calls; I have emailed him,and he'll reply eventually.

if he first tries a new power supply, caution when powering up. do so
_only_ with a volt meter connected or using a power supply test block.

watch for power. if full power does not kick in quick, shut it down
quicker. you have additional problems.

if you want to trouble shoot power supply, let me know and i will dig
up pin out for power supply to mainboard connector. [if friend does not
already have].

xt power supply [you do have newer 'xt' type mainboard?] has a 'standby'
+5v that is used for push button power on. this +5v must be jumpered to
another pin to bring full power up.


- --

tc,hago.

g
.

in a free world without fences, who needs gates.

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