Display Brightness Random Dims HP
Oct 22, 2012
I have a Elitebook HP 8530p, and it has a issue with the screen brightness. When put 100% (energy properties are at : high profile) the screen dims, but the % remains 100, however when manually setting to a lower then to max again the screen is bright (as it should be) This happens while i'm activly using the computer. (mouse/ keyboard interaction)I disabled every possible auto-dim feature I found. This happens at random moments but every 1-5 min it happens.
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Mar 8, 2012
I often change power plan or (dis)connect the power cord depending on what I do with my laptop and where I am. Every time I do so, the display brightness changes into whatever it was last time I had the same power plan and AC power status.The display brightness has nothing to do with those settings. I adjust it manually to what I feel comfortable with in the current environment, and it's frustrating having it changed by some automatic setting that gets it wrong every time.I'm in a dark room, getting ready to watch a movie or something, everything set perfectly. Oh right, the power cord. Boom, instant 20% to 100% flash that kills my eyes.How do I disable this automatic adjusting and get full control over the brightness?
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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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Aug 4, 2011
I have a gateway netbook. Normally when it is plugged in and I unplug it the screen dims. Yesterday it stopped doing that. Now when I unplug it stays at the same brightness. Just to clarify, it seems as though whether it is plugged in or not, the brightness is like it used to be when I unplugged it (it is dimmed either way). It's not that important because the thing stays plugged in most of the time, but I am curious as to how this could happen. I just reinstalled Windows on it a few days ago. It is 32-bit ultimate, if that matters.
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Sep 12, 2011
I reinstalled Windows 7 and the screen on the computer has started to dim slightly then will brighten back up.
I have set the power functions to not go into energy conservation mode. I wonder if I am missing a driver or something.
I have the computer hooked to external monitors but they are not affected. Just the screen on the laptop itself. What could be causing the screen to dim on it's own?
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Dec 28, 2009
I have a brand new dm3t series laptop. There are two issues that I'm having with the laptop that no one can seem to figure out. I literally had an HP tech remote access my laptop and spend an hour trying to figure out what was wrong.
I have tried system restore, recovery, re installation of drivers and really everything else they've asked me to do. I turn to the forum to see if anyone is can help, thanks much.
1) First issue is very annoying. When I awake my computer from sleep the mouse is very sluggish and doesn't hardly respond to the track pad. Furthermore, the mouse is a magnify glass and when I do try to move the mouse via track pad it just zooms in and out. Oddly enough, after a few minutes of sitting there the mouse starts to work again. It's almost like the mouse has to warm up. It is very frustrating.
2) Second issue is the display on battery power. When on battery power the screen CONSTANTLY is dimming and brightening itself. For instance as I'm typing this thread the screen is brightening and dimming for no apparant reason. I'm not sure why and i'm sure it is wasting my battery. I've tried all sorts of power management tips/ticks and still nothing.
Any help would be appreciated, should I just return it? What can I do?
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Nov 5, 2012
i cannot find any information on across the internet.things to know:
-i am using an acer aspire m3802 on a windows 7 os
-750gb storage space
-4gb ram
-i use an nvidia geforce gt 230 graphics card
-both disc drives are nearly full
-i have recently installed two video editing programmes (30 day trials)
-for about half a year my computer has had minor glitches when playing Internet videos or music
so i was on the surfing the internet and my monitor suddenly goes completely black. the fan was still going and the lights were still on, but i couldn't interract with the computer because i had no display whatsoever. about an hour beforehand i had been converting some hd video files, which was probably using up a lot of memory, and i had been skyping too. the computer had been running a lot more slowly over the past couple of days, but had shown no signs of being about to break. so i turned the computer off and then tried to reboot it. the acer logo appeared, but after that nothing else happened, not even the 'start windows normally' screen. the mouse still lit up and the computer seemed to be alive, but it downright refused to display anything at all. when i briefly tilted it, however, the display popped up for another millisecond. i tried rebooting this morning, at which point the 'acer' screen briefly flashed up. i managed to start it up in 'safe mode' and the core features of the computer appear to be working. however, when i tried to access the internet, the error '0x80131018' appeared. (this may be completely irrelevant but every piece of information helps!) so we can basically rule out that the monitor is playing up, which makes me wonder how far inside the computer the problem is hidden.
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Oct 27, 2011
My computer has been crashing a lot lately. Usually, the computer freezes and weird lines appear on the display when it happens. Other times it just shows a BSOD and restarts. It started happening around 2-3 weeks after my motherboard, processor and RAM were changed because a part of the previous motherboard had burnt. The previous motherboard was ASUS M3A78-EM, the onboard graphics was ATI Radeon HD 3200 and RAM was 2 GB DDR2.I took the PC to a my computer vendor after everything I tried had failed. Firstly, he diagnosed it as an issue because of improper earthing/grounding in the switchboard where I plugged the computer and the UPS. I got the earthing issue sorted but to no avail, it still hanged/freezed. The second time I took it to him he said that he might have to update the BIOS and when I brought it back the problem had apparently been fixed but that was only for a few days. After like 4-5 days it started happening again. Same weird lines - green, magenta, purple and all the rest of it - started appearing. The HDD LED stops when this happens. I only observed the LED today, though. Today the computer freezed without those weird lines on two out of the 5 or 6 times it happenrd, it looked like it had just hanged but the HDD LED had gone off.Sometimes the PC doesn't start up at all immediately after it has crashed. That's what led me to guess it's a hardware issue. Also, it happens in safe mode and Windows XP too (I dual boot Windows XP and Windows 7) and I remember it once happening even before the computer had completely booted.Computer details:Windows 7 32-bitASUS M4A78LT-M-LEAMD Athlon II X2 250ATI Radeon 3000 onboard graphics1 x 2 GB DDR3 RAM250 GB SATAMinidumps and NirSoft BlueScreenView HTML report: url..
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Jan 21, 2012
I understand how to turn down the level of brightness through backlight control but how do I decrease the level even further? The slider in the brightness bar is all the way down (left) yet at nights the light from backlights are too bright.
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Jun 11, 2012
When using it, after a while (10 or 15 minutes perhaps) in which I haven't touched the keyboard, the brightness is suddenly reduced. Hitting any key, but not moving the mouse, brings the brightness back up again. After a while it does it again, and again seemingly at more frequent intervals. Eventually it comes to the point where even when I press a key the brightness stays low. I then have to right click on the desktop, choose Graphics Properties which brings up the Intel Graphics & Media Control Panel and reset the brightness from 0 to say 50%. It is usually OK after that for some time.There's nothing wrong with the monitor - when using it as an additional monitor with a laptop with Win XP its brightness remains unchanged for hours.
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Oct 22, 2012
I use Pangobright because the brightness of my Toshiba laptop doesn't go as low as I want it to be, when I'm using the laptop in complete darkness. But Pangobright also doesn't seem to go as low as possible, and when I dim it too low, I can't see a part of the screen unless I'm looking down at the screen. Is there a better screen dimming software?
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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 18, 2011
I am looking for a button I can add to the taskbar that will dim the brightness of the screen.
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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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Nov 19, 2009
So I noticed that every time Windows 7 loads and I'm using my battery then plug into my AC adapter the brightness won't get brighter, I have to manually go into power options and drag the little indicator bar. I want it when on the AC adapter to have a full bright screen and when on the battery 50%. Well Windows 7 doesn't want to seem to remember that because after every boot both the battery and ac adapter will have brightness settings at 50%.
This is a Windows 7 problem and I was wondering if anyone has a solution.
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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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Apr 24, 2012
I've recently got a new computer laptop with Windows 7 and the first thing I noticed that the screen is much brighter (and maybe more saturated) than my previous laptop (with Windows XP). First I thought it was my laptop, but then I saw an other computer with Windows 7, and the screen there is very bright too. I searched the net and I see that there are more people complaining about the brightness on Windows 7.I understand that I can set the screen brightness, but it seems like a fact that the "default" brightness on Windows 7 is way brighter than on Windows XP. Some people are probably accustomed to this, but to me it's too much. I can decrease the brightness with the laptopl's controls on the keyboard, but I think that's not the way to go - I think I should look at the Windows 7 configuration. I could go to the ATI Catalyst, but is there an other way? Is the Calibration tool the only option?
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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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Apr 17, 2012
how to get necessary drivers for incresing brightness?
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Jul 13, 2012
after setup windows 7 my brightness system is not working.
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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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Jan 4, 2010
Did a clean install of windows 7 on my sony vaio fz21z laptop. Cannot find a solution to get the brightness keys working also found driver for bluetooth that works fine but cannot turn the device on or off. I have been told that it is a separate piece of software but cannot find this.
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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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May 5, 2012
I have a dell latitude d620 and one day the up and left keys magically stopped working.. later on I had the brightest idea to see whats the lowest level of brightness possible, now I'm pretty much screwed because I cannot get the brightness back up to normal (which is a pain in the rear end) using the FN+UP combination.
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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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Jan 30, 2010
I've bought new laptop recently, everything works great, but there is still one problem. If I am working without the charger, on battery, the screen brightness always jumps to maximum. I have it on 30% in my power plan, and there it stays as 30%, but the brightness is still on maximum. If I press FN+F4, I could decrease it for a couple of seconds, and then it goes up again by itself...
I have tried all possible settings in Windows, also have downloaded all new drivers (but there are not a lot of them as Inspiron 1564 is new model). I have found one possible reason also, there should be "Display Brightness" field in BIOS, but there is no such option in my version of BIOS.
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Oct 23, 2012
I am using a hp w2207h. I want a software method that easily allows me to adjust the brightness. Currently I have to go through the monitors menu using the physical buttons on the monitor.
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