We were able to solve our problem by physically taking the bottom of the box off and blowing it out with an air gun. Be sure that you blow the dust away from the computer, not into it. The few ventilation ports that the lap top had were clogged with dust. It looks like something that you have to do about once a year.

On , Cranky Frankie <[email protected]> wrote:
I've been having a similar problem with an Acer Aspire One netbook.



This is a replacement netbook. On the first one the screen failed

right at the 90 day warranty so they gave me a new one. Then it ran

fine for about 18 months until it started to shut off randomly. It

turned out that the way my daughter was using it when plugged in was

putting stress on the DC input jack. I brought to the authorized Acer

service center in Albany, which is Liberteks. For $130 they repaired

the input jack. However, when we got it back it still kept shutting

off. I brought it back to them and they claimed they were able to run

it all day on a Linux boot cd with no problem so it must be a Windoze

issue. I spent $24 to get recovery cds mailed to me, reinstalled XP,

then set up a dual boot with Ubuntu Netbook on it, plus I picked up a

9 cell battery for it, since a small netbook like this could be useful

on the road to me (I gave my daugher my other working netbook).



The jury is still out, however. When I re-installed XP it had to down

load a ^&%load of patches and updates; several times during that

experience it shut off. However it seems to run fine when running

Ubuntu, although, during that weekend, it shut off when running Ubuntu

as well.



I'd been leaving voice mails at Liberteks about this with no response,

then I emailed them and they said to bring it in. Of course, yesterday

I had it on for several hours in both OSs and it didn't shut down

either time. Go figure. It's that the way it always goes.



Researching this I find:



- clogged and dusty fan inputs/outputs can cause overheating, but this

one appears to be clean



- when it gets too hot it will shut down to protect the chip. This one

gets noticeably hot on the bottom, yet now it seems to be not shutting

down.



- loose DC input jacks can cause it to cut out. Liberteks told me

these jacks are a week point, and that when they repair them they use

extra epoxy to strengthen the area so this at least should be OK



- the Acers are known to have battery charging issues. The replacement

9 cell battery seems to be working OK, though I've not run it long on

the battery alone so much since I've been having these issues



- heat paste between the chip and heat sink has to be there and

working. I'm hoping it is.



At this point, until the system settles down, I'm not sure what the

problem and/or fix is. I'm not going to write off Acer yet either,

since I let my daughter use this box for 18 months and you know how

tough on electronics teenagers can be. However, when a system keeps

shutting down it's very frustrating for sure.



--

Frank L. "Cranky Frankie" Palmeri, Risible Riding Raconteur & Writer

“The blues is my business, and business is good.” - Etta James

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Upcoming Meetings (6pm - 8pm) MHVLS Auditorium

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Mid-Hudson Valley Linux Users Group                  http://mhvlug.org
http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug

Upcoming Meetings (6pm - 8pm)                         MHVLS Auditorium
  Apr 6 - Introduction to IPv6
  May 4 - Inkscape
  Jun 1 - Zimbra

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