Is your monitor an LED type? It could have dynamic brightness. My tv does the same thing - also annoying.
-Allan
On 04/09/2012 07:09 PM, Jeff Cen wrote:
> Hi Nate,
>
> Thank you for the reply. My machine is a box sitting away from me and doesn't have a ambient light sensor.
>
>
> Can the problem be gnome or the LCD monitor related?
>
>
>
> Jeff
>
>
>
> ________________________________
> From: Nate Duehr<denverpilot@xxxxxx>
> To: CentOS mailing list<centos@xxxxxxxxxx>
> Sent: Monday, April 9, 2012 3:07 PM
> Subject: Re: screen brightness changes depending on which application is run
>
> On Apr 8, 2012, at 12:18 PM, Jeff Cen wrote:
>
>> Hi,
>>
>> I found my LCD screen brightness increase when I use firefox and other white background editors and screen brightness decrease when I use dark background applications, such as terminals with black background . The change in screen brightness depending on the applications has been annoying.
>>
>>
>> My centos version is ver 5.7 64 bit. Has anyone seen a similar problem or have a solution for that? Thanks in advance.
>>
>> Jeff
>
> Jeff,
>
> Does your machine have an ambient light sensor?
>
> Light from the monitor, reflecting off of you, will often trigger changes in the amount of light the ambient light sensor is seeing.
>
> Happens most with large changes like switching from a bright white (browser) background to a dark one, just as you describe in your symptoms.
>
> Nate
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