Automatically Changing Screen Brightness?
Oct 5, 2011
I just bought a new Dell N311z I've noticed that when the brightness of my screen is anywhere between maximum and minimum it automatically decreases or increases on will, without me doing anything.
I've also noticed that when the background on the LCD is of a darker colour the brightness decreases and when it's a lighter background the brightness increases itself.
I've tried everything from disabling the ambient light sensor to calling up Dell customer care and after having spent 3 hours on doing what they made me do it still hasn't fixed my problem. I reset the laptop to the factory settings, i reinstalled all the drivers as well.
I have a Dell N311z. Windows 7 Home Premium 64bit.
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Apr 18, 2012
how do i change my screen brightness? i have a dell 15 r, and my fn keys aren't working for the brightness. is there a way through control panel?
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May 29, 2009
I am currently running Windows 7 RC1 and have noticed a behavioral change from XP which I would love to change.
In the NVIDIA control panel, there are 2 sets of settings for brightness:
1) Desktop color settings
2) Video color settings
In Windows XP, these would be completely independent. Thus for example, I could have my desktop dark while the videos could be bright and vivid.
Thus in XP:
Desktop Brightness = Desktop color settings
Video Brightness = Video color settings
In Windows 7, the OS only behaves this way when using Aero Basic. If I'm using the full Aero interface, I get the following behavior:
Desktop Brightness = Desktop color settings
Video Brightness = Desktop color settings + Video color settings
I would really love to have these control act independently on the full Aero interface. Is this possible? NVIDIA settings can obviously still distinguish the video because the video color settings still only apply to video, so I'm not sure why it behaves this way.
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Jan 15, 2013
I got a Sony Computer about a year ago and it's been randomly changing my brightness out of no where. Generally it moves it two below whatever I set it as and then changes it back to whatever I have set it on.
I have tried doing everything I can think of to fix it. I changed my brightness to whatever it was changing it to, figuring that would work. It would do the same thing with the new brightness (unless it was a low brightness, then it would bring it up). I thought it might be the Adaptive Brightness thing new computers come with, but mine was off! I turned it on and it stopped doing it for about ten minutes, but then continued doing it.
My computer is a Sony VAIO computer, running Windows 7 Home Premium.
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Jun 2, 2012
I recently got a new motherboard and installed it into my desktop. I had win7 on my HD and thought it would be a good idea for a fresh install. Well upon start up it always automatically restarts at the "Windows is starting" screen with the logo. I have tried starting in safe mode, I have tried repairing and installing with the win7 CD and a bootable win7 usb, I have tried disabling the "Automatic restart on system failure" option. Nothing is working, it just restarts and reboots just to do it again.
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Jul 26, 2011
Is there an util where I can make the fn key always "pressed" so I don't have to press it when I want to e.g. change the brightness of the screen? My laptop is a Presario CQ70.
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May 11, 2012
On my monitor it seems like everything is too bright, as in places that should be pitch black are a bit too light. For example: on my iPod, even with full brightness settings everything looks normal, but on my PC's monitor it just doesn't look right.I calibrated color and setting gamma way low really helped, but my contrast is set to full, and my brightness is 75.The strange thing: when I ran Crysis 1, it fixed the monitor color! So I know the darn thing is capable, I just don't know how to.When I closed down Crysis it went back to normal.
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Jan 27, 2013
how can i reduce the screen brightness?
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Jul 22, 2009
ive just recently installed Windows 7 Build 7100 on my eMachines E525 laptop, & i can't adjust the screen brightness with the 'fn' key anymore.
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Feb 21, 2011
But in the last couple months, once in a blue moon I couldn't change my screen brightness, and now in the last couple days it's gotten a whole lot worse. Usually, I can't change brightness either via my 'fn -/+' hotkeys or via the actual brightness slider in the power panel. A full reboot or simple hibernation then reboot both let me change brightness again. But the last couple days, restarting the computer just puts the brightness on either fully dimmed or fully bright, and I still can't change it.
This is an HP G60 laptop, and I've had windows seven for a year on it. Like I said above it only started a couple months ago then got worse this week, and what I've found on google so far was all for newly-updated-to-seven issues. My drivers all seem to be up to date according to the windows update driver function.
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Dec 19, 2012
the brightness 0f my dell n5040 is not coming, what can I do to make it bright well?
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Jun 2, 2011
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Nov 16, 2012
I have a problem with the screen brightness constantly dimming itself...it doesn`t matter which power setting I try or which route I go down...whenever re-setting,the tab just moves itself back down to the lowest setting...sometimes it stays bright for around an hour and then once again will revert. I have installed a new hard drive and so this is a new installation of windows 7 32 bit...but prior to this new hard drive I had the same problem.
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Dec 4, 2011
Yesterday I noticed while I was playing Counter Strike, that the colors changed so did the brightness. I thought it was only the game, but I went on the internet and it was brighter than it was before.
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Dec 29, 2011
So here is my problem. I have an Acer Aspire 4540 laptop that I recently repaired after laying in my closet with a broken display for some time. So I took it to a repair center and got my new 14' LED display installed. Everything on my laptop is working fine, even my screen is working fine. The only issue I've noticed is that when I try to increase or decrease my screen brightness it cycles between the max and min settings rather than dimming or brightening respectively.
Now, I know I've had this issue before but I can't remember if it was already like this before the screen broke. I have tried rolling back, uninstalling and reinstalling my drivers several times yet the issue is still there.
Im running on Windows 7 Ultimate x86 and my graphics card is an ATI Radeon HD4200.
I know this is a small issue but I need to fix it since I spend a lot of time in front of my laptop.
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Nov 1, 2009
I installed Windows 7 this week on my notebook Dell XPS M1710.
Everything is good working, except one thing :
When I close the screen, so the notebook go hibernating, and then I reopen it, the notebook leave the hibernating mode, and here the screen goes dark, the brightness is very low, despite the brightness setting is at max. The only solution is to reboot the notebook.
So now I can't use hibernating mode, I have to always shutdown the notebook.
Does anybody have the same problem ?
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Jan 29, 2011
I think I am having a problem with a trojan, "Backdoor:Win32/Cycbot.B". MSE (Microsoft Security Essentials) has removed this trojan twice in the past 2 days. It says it's deleted successfully, but I'm having symptoms that say otherwise. What's been happening that tells me something is not right is that since yesterday, when I open a browser (any browser), I get a message that the proxy is refusing the connection, and when I check the settings, it shows the connection settings have been changed to "Manual Proxy Settings" with my computer's local host IP used as the proxy IP. I have searched for removal tools, but Firefox's Web of Trust tells me all the search results are rated "bad/" and the Microsoft Malware Encyclopedia doesn't offer a link for one.
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Jul 6, 2012
Windows 7 is install in dell laptop and the problem is that don't know the how to increase brightness 0f screen bcz no option show of brightness.
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Feb 7, 2012
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http://007tinar.deviantart.com/art/RONIZ-86392112
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Feb 4, 2009
Sometimes when UAC pops up my screen resolution changes from the native 1680x1050 resolution to 1024x768. There doesn't seem to be any reason for the change. Is anybody else having this problem or is it just me?
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Core2Duo E7300 @ 2.66 GHz OC'd to 3 GHz
2 GB RAM
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Mar 10, 2012
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Eh, I just found it online again: Windows 7 Logon Background Changer - Customize your Windows 7 welcome screen wallpaper.
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