Re: dimming screen

[Dylan McDermond]

On Oct 31, 2005, at 7:56 AM, Peter Saint James wrote:


The display on my 15-inch, Al Powerbook running Tiger  
sometimes dims when the computer is inactive for just a few  
minutes.  I can get it brighten again by moving the mouse or  
hitting a key, but this is quite inconvenient and irritating.


I've also had something like this happen in response to the ambient  
light sensor under the speaker grills on the 1.25" Al Book. If it's  
right on the edge of one of it's cutoff points, it tends to flicker a  
few times.


-Dylan


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Re: dimming screen

[Laurent Daudelin]

On 31/10/05 12:33, "Anne Judge" <[EMAIL PROTECTED]> wrote:

> 
> On Oct 31, 2005, at 10:56 AM, Peter Saint James wrote:
>> The display on my 15-inch, Al Powerbook running Tiger
>> sometimes dims when the computer is inactive for just a few
>> minutes.  I can get it brighten again by moving the mouse or
>> hitting a key, but this is quite inconvenient and irritating.
> 
> 
> I get rid of this (very annoying, happens when watching movies) by
> opening energy saver and where it says "Put the display to sleep when
> the computer is inactive for:" change it to "never."  Have to do this
> for either power adapter or battery, whichever way I'm running it, &
> try to remember to set it back when I finish the movie.
> 
> I usually have "put display to sleep" set for 5 min battery, 15 min
> power adapter, but in either case the screen dims after just a couple
> minutes unless I turn off putting the screen to sleep.
> 

Hmmm, odd. Like I said before, I'm occasionally have the screen dimming but
never happened when watching a movie...

-Laurent.
-- 

Laurent Daudelin Developer, Multifamily, ESO, Fannie Mae
mailto:[EMAIL PROTECTED]Washington, DC, USA
 Usual disclaimers apply ***


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Re: dimming screen

[Anne Judge]

On Oct 31, 2005, at 10:56 AM, Peter Saint James wrote:
The display on my 15-inch, Al Powerbook running Tiger  
sometimes dims when the computer is inactive for just a few  
minutes.  I can get it brighten again by moving the mouse or  
hitting a key, but this is quite inconvenient and irritating.



I get rid of this (very annoying, happens when watching movies) by  
opening energy saver and where it says "Put the display to sleep when  
the computer is inactive for:" change it to "never."  Have to do this  
for either power adapter or battery, whichever way I'm running it, &  
try to remember to set it back when I finish the movie.


I usually have "put display to sleep" set for 5 min battery, 15 min  
power adapter, but in either case the screen dims after just a couple  
minutes unless I turn off putting the screen to sleep.


Anne


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Re: dimming screen

[Terry McCune]

On Oct 31, 2005, at 10:56 AM, Peter Saint James wrote:

The display on my 15-inch, Al Powerbook running Tiger 
sometimes dims when the computer is inactive for just a few 
minutes.  I can get it brighten again by moving the mouse or 
hitting a key, but this is quite inconvenient and irritating.


This habit is not consistent.  It does it some days and not 
others.  There does not seem to be a pattern to when, except--and 
I'm not sure of this--it may be doing it when the computer has not 
been booted for several days.


The box in system preferences that refers to automatically 
reducing brightness is unchecked.  Is there anything else that 
controls this?  Does it indicate something else wrong?



I've had to deal with this kind of problem on my Pismo.

It could mean that the PowerBook has switched to battery power
due to a loose connection with the power cable, and that the
energy saver options for Battery indicate that the brightness of the
display should be lowered to save battery life.

System Preferences -> Energy Saver -> Options
check "Show battery status in the menu bar"

When the display dims, look to see if the status indicates that
the PowerBook is being powered by the power adapter or by the battery.

If the indicator shows that the computer is running on battery power
even when plugged in, try a new AC adapter or try jiggling the connector
of the one that you are currently using to see if the PowerBook recognizes
it (and if the display becomes brighter again).

 --Brian Miller



This may be the problem but my 20" iMac G5, which I've had since May 
and which came with Tiger installed, has done this random dimming 
from the get-go. My hunch says it's a bug in Tiger.



--
Terry McCune

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Re: dimming screen

[Laurent Daudelin]

On 31/10/05 11:26, "Brian A. Miller" <[EMAIL PROTECTED]> wrote:

> On Oct 31, 2005, at 10:56 AM, Peter Saint James wrote:
> 
>> The display on my 15-inch, Al Powerbook running Tiger
>> sometimes dims when the computer is inactive for just a few
>> minutes.  I can get it brighten again by moving the mouse or
>> hitting a key, but this is quite inconvenient and irritating.
>> 
>> This habit is not consistent.  It does it some days and not
>> others.  There does not seem to be a pattern to when, except--and
>> I'm not sure of this--it may be doing it when the computer has not
>> been booted for several days.
>> 
>> The box in system preferences that refers to automatically
>> reducing brightness is unchecked.  Is there anything else that
>> controls this?  Does it indicate something else wrong?
> 
> 
> I've had to deal with this kind of problem on my Pismo.
> 
> It could mean that the PowerBook has switched to battery power
> due to a loose connection with the power cable, and that the
> energy saver options for Battery indicate that the brightness of the
> display should be lowered to save battery life.
> 
> System Preferences -> Energy Saver -> Options
> check "Show battery status in the menu bar"
> 
> When the display dims, look to see if the status indicates that
> the PowerBook is being powered by the power adapter or by the battery.
> 
> If the indicator shows that the computer is running on battery power
> even when plugged in, try a new AC adapter or try jiggling the connector
> of the one that you are currently using to see if the PowerBook
> recognizes
> it (and if the display becomes brighter again).

Everytime it does it, I have been running on power adapter. I thought about
something like that but it doesn't seem to be the case for me.

-Laurent.
-- 

Laurent Daudelin Developer, Multifamily, ESO, Fannie Mae
mailto:[EMAIL PROTECTED]Washington, DC, USA
 Usual disclaimers apply ***


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Re: dimming screen

[Brian A. Miller]

On Oct 31, 2005, at 10:56 AM, Peter Saint James wrote:

The display on my 15-inch, Al Powerbook running Tiger  
sometimes dims when the computer is inactive for just a few  
minutes.  I can get it brighten again by moving the mouse or  
hitting a key, but this is quite inconvenient and irritating.


This habit is not consistent.  It does it some days and not  
others.  There does not seem to be a pattern to when, except--and  
I'm not sure of this--it may be doing it when the computer has not  
been booted for several days.


The box in system preferences that refers to automatically  
reducing brightness is unchecked.  Is there anything else that  
controls this?  Does it indicate something else wrong?



I've had to deal with this kind of problem on my Pismo.

It could mean that the PowerBook has switched to battery power
due to a loose connection with the power cable, and that the
energy saver options for Battery indicate that the brightness of the
display should be lowered to save battery life.

System Preferences -> Energy Saver -> Options
check "Show battery status in the menu bar"

When the display dims, look to see if the status indicates that
the PowerBook is being powered by the power adapter or by the battery.

If the indicator shows that the computer is running on battery power
even when plugged in, try a new AC adapter or try jiggling the connector
of the one that you are currently using to see if the PowerBook  
recognizes

it (and if the display becomes brighter again).

 --Brian Miller


--
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-- Check our web site for refurbished PowerBooks  |  & CDRWs on Sale!  |

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Re: dimming screen

[Laurent Daudelin]

On 31/10/05 10:56, "Peter Saint James" <[EMAIL PROTECTED]> wrote:

>  The display on my 15-inch, Al Powerbook running Tiger
> sometimes dims when the computer is inactive for just a few minutes.
> I can get it brighten again by moving the mouse or hitting a key, but
> this is quite inconvenient and irritating.
> 
>  This habit is not consistent.  It does it some days and not
> others.  There does not seem to be a pattern to when, except--and I'm
> not sure of this--it may be doing it when the computer has not been
> booted for several days.
> 
>  The box in system preferences that refers to automatically
> reducing brightness is unchecked.  Is there anything else that
> controls this?  Does it indicate something else wrong?

I think this is a bug. I also have mine unchecked when I'm on the power
adapter and, from time to time, it will dim the screen, even though the
checkbox is unchecked. What I usually do is open Energy Saver preferences,
turn on the checkbox. Wait a few seconds, then turn it off. Usually, I'm
good for a few days...

-Laurent.
-- 

Laurent Daudelin Developer, Multifamily, ESO, Fannie Mae
mailto:[EMAIL PROTECTED]Washington, DC, USA
 Usual disclaimers apply ***


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 -- Check our web site for refurbished PowerBooks  |  & CDRWs on Sale!  |

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