Re: what's that burning smell?

[Gene Osburn]

iBook powered down and closed on my lap, when suddenly I heard
a >popf<, kind of like a Christmas tree bulb had blown. A metallic,
burned-fuse kind of smell wafted from the back of the grill. I
immediately removed the battery and resigned as chief mac mechanic of
our household.

What was that >popfing< sound, that smell? Dare I try to boot again?


Sounds exactly like what happened when my Wallstreet's battery blew a 
cell.  I heard an "airy popping sound" and the battery was very hot 
along one side when I pulled it.  Was your iBook AC adapter connected 
when this happened?  Did you smell your battery when you pulled it?  My 
WS was either asleep or powered off (can't remember) and charging the 
battery when it happened.  I suppose a battery going whacko and about 
to blow could have some effect on the other symptoms you 
experienced...?


Gene Osburn
Never swallow anything larger than your pride


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Re: what's that burning smell?

[Anne Judge]

On Nov 16, 2005, at 12:02 PM, Michael Cangelosi wrote:

Poof and smell -- sounds like a component with some sort of  
electrolytic

or fluid that could overheat.


I don't know - popf and smell pretty much describes what happened to  
a powerbook brick (new white kind) of mine, and that doesn't have the  
kind of component you're talking of.


I go through them about 1 per year - the cord pulls out from the plug  
that goes into the powerbook after a year of the cord catching on  
stuff as I move the computer while it's plugged in.  Fortunately the  
CompUSA extended warranty covers "abuse"!


Anyway, my 2nd replacement (3rd brick), on the 2nd day after I got it  
last July, I picked it up to move it, no strain on the cord or sudden  
acceleration, just a gentle lift, and as I lifted it I heard "pop"  
and a little plume of smoke briefly curled up, with accompanying  
smell - and from then on the brick was as dead as a doornail.


Of course CompUSA replaced it, so now my powerbook, purchased  
12/24/2003, is on its 4th power brick.


Anne

p.s. got curious about "dead as a doornail" so I googled it - did you  
know that expression's been recorded as far back as 1350?  Wow!


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Re: what's that burning smell?

[Michael Cangelosi]

Poof and smell -- sounds like a component with some sort of electrolytic
or fluid that could overheat.  

Some suspects:

Main battery

Pram battery

Capacitor/maybe a transformer on the motherboard

Display itself 

Any of those suspects would not be a fun diagnosis, and if it's a part
of the mother(logic)-board, then that's an expensive fix.

If you have another ibook you could test both batteries mentioned.
Volt/Multi-meters should be included with every home mortgage - I use
mine more often than my circular saw.

Michael.

-Original Message-
From: G-Books [mailto:[EMAIL PROTECTED] On Behalf Of
[EMAIL PROTECTED]
Sent: Wednesday, November 16, 2005 11:56 AM
To: G-Books
Subject: what's that burning smell?

Hey all,

I sent this over the weekend, but got no response. In the hopes that
this was just due to Monday morning list overload, I thought I'd try
again. I'm particularly interested in any feedback about other potential
sources of the original video problem, so that I can disclose fully if I
end up eBaying the carcass.

So: The saga is over. This weekend I took apart my dual usb iBook 3
separate times to install a used (reportedly good) display. After the
first two times, it all seemed fine for a few minutes, then flickered in
an out, then finally the backlight went off. The third time the
backlight never came on, but I could vaguely see the screen; enough to
power down. I sat there and finished watching a football game, iBook
powered down and closed on my lap, when suddenly I heard a >popf<, kind
of like a Christmas tree bulb had blown. A metallic, burned-fuse kind of
smell wafted from the back of the grill. I immediately removed the
battery and resigned as chief mac mechanic of our household.

As I sort through the wreckage in an attempt to salvage what still
works, I have a few questions of those wiser than me.

1. What was that >popfing< sound, that smell? Dare I try to boot again?

2. I gathered from this list that a dead screen iBook that will still
run an external monitor has a problem with the reed switch, the screen,
or the backlight/inverter board. All of these are in the display
assembly, right. The display I purchased was putatively good, but
appeared to have the same problem as the original. Is there anything
else that might have caused my problem, or was the second screen
possibly defective as well?

Thanks for any and all information

Erik



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what's that burning smell?

[dads]

Hey all,

I sent this over the weekend, but got no response. In the hopes that 
this was just due to Monday morning list overload, I thought I'd try 
again. I'm particularly interested in any feedback about other 
potential sources of the original video problem, so that I can 
disclose fully if I end up eBaying the carcass.


So: The saga is over. This weekend I took apart my dual usb iBook 3 
separate times to install a used (reportedly good) display. After the 
first two times, it all seemed fine for a few minutes, then flickered 
in an out, then finally the backlight went off. The third time the 
backlight never came on, but I could vaguely see the screen; enough 
to power down. I sat there and finished watching a football game, 
iBook powered down and closed on my lap, when suddenly I heard 
a >popf<, kind of like a Christmas tree bulb had blown. A metallic, 
burned-fuse kind of smell wafted from the back of the grill. I 
immediately removed the battery and resigned as chief mac mechanic of 
our household.


As I sort through the wreckage in an attempt to salvage what still 
works, I have a few questions of those wiser than me.


1. What was that >popfing< sound, that smell? Dare I try to boot again?

2. I gathered from this list that a dead screen iBook that will still 
run an external monitor has a problem with the reed switch, the 
screen, or the backlight/inverter board. All of these are in the 
display assembly, right. The display I purchased was putatively good, 
but appeared to have the same problem as the original. Is there 
anything else that might have caused my problem, or was the second 
screen possibly defective as well?


Thanks for any and all information

Erik



--
##
Erik Ness 608-242-7604  http://erikness.com

New & evolving site design; all feedback appreciated...

--
G-Books is sponsored by  and...

Small Dog Electronicshttp://www.smalldog.com  | Refurbished Drives |
-- Check our web site for refurbished PowerBooks  |  & CDRWs on Sale!  |

 Support Low End Mac 

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Re: Volume

[darm0k]

At 06:41 AM +0700 11/16/2005, Stuart Saunders wrote:
Listening to various internet radio programmes etc, cannot get 
enough volume with Real, Windows Media, iTunes etc. Pismo and iMac 
G5, OS X.


Is there an app that can increase the volume?


Make sure your system volume is high enough, in the first place.

Audion has a "maximizer" tool that increases the volume on wimpy 
streams.  Works quite well.


Drives me nutz that some streams are just so quiet.

External speakers with their own gain control are the best solution.

- Dan.

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