Dell Mini 9 Hardware Issues / Problems Inform everyone on any issues or problems with your Dell Mini 9 hardware.

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sworsley sworsley is offline
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Default Screen brightness when AC plugged in - 11-01-2008, 12:23 PM

Strangely, on my mini 9 when the AC power is plugged in the screen brightness DROPS normally it is the other way round?

i can not seem to fix this.

/is my mini faulty - if not how do i change it so when not charging screen is dimmer to save power, and when charging screen is brighter??

Thanks for your help
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cmarcho cmarcho is offline
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Default Re: Screen brightness when AC plugged in - 11-01-2008, 05:54 PM

if you adjust the brightness up while it's plugged in it should stay that way.

I think this is also controlled in the bios, one setting for battery brightness and one for a/c power.


Black Mini 9 - Runcore 64 SSD - 2GB Ram - 1.3 Cam - BT - Windows 7
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sworsley sworsley is offline
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Default Re: Screen brightness when AC plugged in - 11-01-2008, 10:10 PM

In my bios there is no way to adjust the screen brightness

Also I have tried your suggestion but when I insert or remove the power supply the brightness reverts back.

Any ideas?
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UnaClocker UnaClocker is offline
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Default Re: Screen brightness when AC plugged in - 11-01-2008, 11:40 PM

Turn the brightness all the way down while on battery.. Shouldn't notice the problem anymore when you plug it in.. :lol:
Really though, you have a peculiar problem, your Mini9 should be keeping track of what you had the brightness set to the last time it was plugged in/unplugged.


Tired of wondering if your Mini9 is doing ANYTHING? - Add a HDD Activity LED
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