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Subject Author Date
Toshiba Satellite A55 keeps rebooting Dada 10-08-2008
Posted by Dada on October 8, 2008, 7:52 pm
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Hi,

i have a Toshiba Satellite A55 and of late it has begun to reboot when i
switch it on. The machine stays on for no more than 1 minute before it
reboots automatically, and keeps doing over and over. I reinstalled the
windows XP but that doeant help. probably a hardware issue, but i dont
know what. Can anyone suggest what could be a problem?

Thanks,

Dada


Posted by Barry Watzman on October 8, 2008, 8:46 pm
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While a lot of things could cause this, the most likely cause is CPU
overheating. The cure is a partial disassembly (enough to completely
get to the CPU and CPU cooling system) and a complete cleaning of the
CPU, CPU heatsink and CPU fan (it's very likely that this model has a
"heat pipe" cooling system)


Dada wrote:
> Hi,
>
> i have a Toshiba Satellite A55 and of late it has begun to reboot when i
> switch it on. The machine stays on for no more than 1 minute before it
> reboots automatically, and keeps doing over and over. I reinstalled the
> windows XP but that doeant help. probably a hardware issue, but i
> dont know what. Can anyone suggest what could be a problem?
>
> Thanks,
>
> Dada
** Posted from http://www.teranews.com **

Posted by Richard Bonner on October 9, 2008, 7:41 pm
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Dada (dada@nobody.info) wrote:
> i have a Toshiba Satellite A55 and of late it has begun to reboot when i
> switch it on. The machine stays on for no more than 1 minute before it
> reboots automatically, and keeps doing over and over. I reinstalled the
> windows XP but that doeant help. probably a hardware issue, but i dont
> know what. Can anyone suggest what could be a problem?

> Dada

*** I had a similar problem with a failing battery. The voltage would
dip and then come back with either a shutoff or the odd reboot. Does this
happen on line supply as well as battery? If so, hook up a volt meter and
monitor the voltage to see if it dips before the reboot.

Richard Bonner
http://www.chebucto.ca/~ak621/DOS/


Posted by Dada on October 10, 2008, 10:07 pm
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It happens on the line supply as well as while using the battery.. I dont
think its a battery issue.


> Dada (dada@nobody.info) wrote:
>> i have a Toshiba Satellite A55 and of late it has begun to reboot when i
>> switch it on. The machine stays on for no more than 1 minute before it
>> reboots automatically, and keeps doing over and over. I reinstalled the
>> windows XP but that doeant help. probably a hardware issue, but i dont
>> know what. Can anyone suggest what could be a problem?
>
>> Dada
>
> *** I had a similar problem with a failing battery. The voltage would
> dip and then come back with either a shutoff or the odd reboot. Does this
> happen on line supply as well as battery? If so, hook up a volt meter and
> monitor the voltage to see if it dips before the reboot.
>
> Richard Bonner
> http://www.chebucto.ca/~ak621/DOS/
>


Posted by Richard Bonner on October 11, 2008, 9:42 am
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> > Dada (dada@nobody.info) wrote:
> >> i have a Toshiba Satellite A55 and of late it has begun to reboot when i
> >> switch it on.
(Snip)

> > *** I had a similar problem with a failing battery. The voltage would
> > dip and then come back with either a shutoff or the odd reboot. Does this
> > happen on line supply as well as battery? If so, hook up a volt meter and
> > monitor the voltage to see if it dips before the reboot.
> >
> > Richard Bonner

Dada (dada@nobody.info) wrote:
> It happens on the line supply as well as while using the battery.. I dont
> think its a battery issue.

*** You are likely correct. To rule out an external power supply issue,
monitor the voltage to see if it dips during the reboot.

To rule out the hard drive and its boot files, boot from a floppy, CD
or flashdrive.

Richard Bonner
http://www.chebucto.ca/~ak621/DOS/

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