Laptop Colors Darken When Unplugged (not Brightness)
Sep 28, 2013
I've recently picked up a Samsung ATIV Book 9 Plus (first windows 8 experience) and have come across a display issue whenever the laptop gets unplugged, namely that the colors become incredibly dark as it the contrast takes a dive.
Here is a recreation.
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Specs from amazon:
Intel Core i5-4200U Processor4GB (4GB x 1) DDR3 Memory (1600MHz)128 GB Solid-State Drive SATA313.3" LED QHD+, 3200 x 1800, 16:9, 10 Point Capacitive Touch Screen, Intel HD Graphics 4400Windows 8 (64-bit)
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Dec 22, 2012
possible ways to adjust one's screen brightness within windows 8 on a laptop?
for some odd reason the laptop only adjusts the brightness when on the battery and it does that intelligent adjustment crap(tried to find a more polite word....failed).
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Feb 9, 2014
I have an Acer Aspire 8930G with Windows 8.1 x64 and Windows 7 x86 as a dual-boot. I use 8.1 as my everyday OS and only boot into 7 to play older games that only work with a 32-bit OS.
Ever since I installed Windows 8, I have not been able to adjust the brightness of my screen. Note that this problem started since I installed 8, not 8.1, and before I put on the copy of 7 as a dual-boot. When I use Fn+left/right (the brightness keys on my PC), the brightness slider appears on-screen and goes up and down, but the brightness of the panel doesn't actually change. Using the Charm doesn't work either, nor does adjusting it through the Control Panel.
I have tried fiddling with my Power Options in the Control Panel and disabling adaptive brightness. I have tried several different driver versions for my GPU, a GeForce 9600M GT. None of this has worked.
In Windows 7, however, the brightness controls work fine. If I want to adjust my brightness for 8.1, I have to boot into 7, change the brightness there, and then boot back into 8.1, where it will keep whatever brightness setting I was using in 7.
Is there some messed-up thing in the Registry? Is my GPU's firmware maybe just not compatible with Windows 8? I took a look at TechPowerUp's repository of GPU BIOSes, but it appears I already have the most recent one.
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Oct 18, 2013
I went and bought a new laptop since my old one was starting to die on me and stuff. It's a Samsung ATIV Book 4, and it's really nice. This is the first hick up I've had with it so far, and I noticed it happening today. I noticed my screen was really dim today as I was using it, so naturally, I use the Fn key to turn it up, but nothing happens. Up in the top left of the screen, it shows a little brightness meter going up and down as I turn it up and down, but nothing changes. I went to the power options menu and tried to adjust it there, and alas, nothing happened. I even tried disabling the display driver and restarting it, but that didn't do anything.
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Mar 12, 2013
Well, I have installed Windows 8 on my laptop, but was wondering if there is a way to lock the screen brightness.
The reason being is that family members constantly mess with the brightness and sometimes leave it at 100% when using the battery. I basically want to extend the life of the battery if it is possible by disabling or locking the screen brightness at a certain level.
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Sep 15, 2014
Recently I turned on my computer (Acer Aspire V5 122-P) and went to change the brightness. And using the FN keys and changing the brightness returns the same value rather than changing it. The other FN keys such as Volume +/- and turning adapters on and off still work. It is just the brightness keys. I would like a fix as I need long battery life and this is causing excessive battery drain. (I have tried turning it off and on again to no avail)...
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Dec 28, 2013
I'm playing a browser-based game where we use signature-photos, and some people including me like to go a little nuts here and make photos with transparent backgrounds, the only issue is that transparent backgrounds have a lot larger files than if you just change the background-color of the photo to whatever the background of the website is, which in this case is #111111. Anyway, this worked perfectly on Windows 7, but since I switched to Windows 8.1, the background colors of the photos has changed, either that or the colors themself has changed. When I printscreen the background of the website, it's still #111111 while as the color of the photos are #080808, can this be related?
I have talked to a lot of players on this game who runs Windows 8 who doesn't have this issue.
Here's a printscreen of what I'm referring to: Screenshot by Lightshot
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Aug 20, 2013
Font colors, line colors, shape colors, etc. in Word, PowerPoint and Visio do not display.
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Nov 13, 2013
I have the high contrast option turned on for only one reason. The differences in colors of the active vs non-active window that is highlighted in the taskbar was too subtle for me and I often clicked on non-active windows.
Sadly this however resulted in IE / Firefox and Office (Excel & Word so far) be almost unusable. Excel has basically no colors at all no matter what is selected for either text or backgrounds. Office documents are either black or white, no colors come through at all. IE and Firefox are almost unusable.
Only Chrome ignores the high contrast option and uses its own styleset.
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Jul 30, 2012
Where did the desktop colors applet disappear to? It's under personalize under Windows 7 but it's not there under Windows 8.
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Oct 29, 2012
I really like windows 8, but im most likely going back to windows 7 because of all the problems im haveing with windows 8, being lag and random freezeing.
So i was on youtube, trying to watch a video and it froze, and my laptop charger being a replacement, it slips out a lot, when it came out the video started working fine again, after that, i have noticed my computer stops lagging when my laptop isnt plugged in. as soon as i plug my laptop in, 5-10 seconds later i freeze,not matter what im on, youtube or just my desktop, it happens.
Dell inspiron 1521 3gb ram 120GB hd if you need any more additional info let me know..
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Sep 15, 2014
I have read a number of threads on this issue. My HP running windows 8.1 with IDT High Definition Audio CODEC consistently tells me that my headphones are unplugged in both the front and back audio ports of my desktop. I thought getting windows 8.1 on my new desktop would enable me to have audio. Apparently not so far.
I restarted the computer. I reinstalled the IDT drivers. I checked that they were up to date. I tried the troubleshooting method through windows that kept telling me that the headphones/speakers were unplugged. Okay, that's not true. The headphones work. Devise manager had no yellow exclamation marks.
So what's left to do? Buy windows 7 for $100 and reinstall it on this computer to so I can have sound and an operating system that's not infuriating?
I don't think this is due to some virus I managed to get in record time with minimal use of this computer. So what's next to do?
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Feb 20, 2014
When installing fedora 20 using VMware Workstation 10 with Windows 8.1 host, the message "cable unplugged" appears during installation.
Unavailability of network cable persists after completion of installation.
Problem not replicated with VirtualBox.
Old VMs also fail to access network.
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Aug 22, 2012
I'm not much of a VM expert. I have a couple of win7 systems running a WinXP VM that I installed manually, in all those cases, the virtual network has always just booted up and worked. Under Windows 8 Pro-RTM, I did a XP VM that I loaded myself (versus an XP mode) and it loads the virtual network adapter but it reports that the cable is unplugged
I'm not clear on what this means. Obviously, it's a VM so there is no cable to plug in. I'm guessing I'm suppose to match that Virtual Nic to the regular (aka Host's) NIC but I'm not see any options to do so.
On the same system I run windows 7 Ult and a XP install and the network loads up on boot.
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Apr 7, 2014
I had a hard drive crash the other week and I got a new one and went on and upgraded to windows 8.1 64bit. Well I had a hard time getting it to work correctly but now it seems to start up fine with no BSOD.
My problem I'm having now, is that my internet will not work on it, unless I plug in a wireless for it.
My mobo is rather old, (msi k9a2 platinum) and it uses a Realtek PCIe GBE Family Controller on it. I first tried to go and upgrade the drivers. It said I had the newest. Though upon reading online I see that they have upgraded the driver for the Realtek to the 8.26.218.2014 driver on 2/18/2014. Well I uninstall my old driver, restart the computer then install the new one from the Realtek website. Then do a restart and still nothing.
It looks like the router is getting pinged or something as it will start flashing in the bottom right with the triangle with the ! in it, about three times then go back to the x in the red circle. In the device Manager the realtek pcie gbe family controller doesn't have the yellow triangle with the ! in it showing that something is wrong. But it's not even reading the ethernet cable is plugged in. I tried detecting the problem and that is all it says is to plug the cable in.
I restarted the computer again and noticed that the number showed up on my router that the computer was connected. When the computer was starting windows with the blue windows logo with the balls circling at the bottom, about half way through the router dropped the number and it doesn't come back up after I unlock the computer.
So I followed the sticky and got the cmd prompt and this is what it is showing...
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Apr 30, 2013
I was wondering how Power Plans work. Say, I have my Power Plan set on Balanced. Now it'll adapt to the Balanced settings for plugged and unplugged respectively.
my computer needs more power for a task I'm performing while I'm not plugged in. Will it be able to push itself to it's capabilities, or would it stay restricted? How about when it's plugged in?
If I would rather have "High Performance" settings when I'm plugged in, and "Balanced" when I'm not, is there a way to do that? It's clear that Power Plans work even while being plugged in, but I see no need to limit the PC while you aren't on battery.
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Nov 26, 2012
I have gone into the control panel and tried changing the screen brightness but nothing seems to work. I am the system administer so I should be able to set all changes.
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Jun 20, 2014
When I upgraded to win 8.1 my screen brightness went up and i can't control it. i tried re-installing the graphic drivers but it's not working. Also my battery backup has decreased from 3.5 hrs to 2 hrs only. What do i Do?
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Dec 16, 2013
I have tried to change my screen brightness for the first time since downloading windows 8.1(about a month ago) and it is stuck a the lowest level. I have used the keys, the settings, and even the "Adjust screen brightness" button after clicking on the battery in bottom right of screen. I looked at my drivers and checked if my "Display adapters" needed to be updated, it didn't.
Lenovo Laptop: 6 GB RAM, 64-bit OS, i5-3210M Intel Core, Windows 8.1
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Jun 20, 2013
i have a smal probleem with My new Acer tablet. The brightness of the screen randomly changes. i did some googling and i learned the tablet is able to auto adjust the beightness. I found a sensor on My tablet and did some testing by shining on it with a pocket torch and saw with more light the brightness increased. How i want it off. I Tried switching off the adaptive settings bit it didn' t work..
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Jul 13, 2013
Any fix for nebtook Samsung N145P and brightness control on Windows 8?
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Aug 9, 2014
I have an asus laptop and i have a problem with increase and decreasing level of brightness.
my operating system is windows 8.1 and i download and installed latest version of driver that is compatible with my OS. when i early installed windows, i installed drivers and don't have problem with it. but now after months suddenly it happened to me.
i can see OSD that changing brightness, but i don't actually see any change
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Mar 13, 2014
what the registry key (or other option) was for the incremental brightness steps.
I am trying to figure out if I can lower the amount that my brightness changes in each "step" or click of the brightness function key. I know for a fact my display supports changing the brightness in smaller increments (You can do it with the slider in the battery settings) I just need to figure out how to change the amount that Windows increments/decrements per key-press.
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Jun 21, 2014
I've installed windows 8 and I was able to change the screen brightness without any issues. After installing windows 8.1 however, I wasn't able to change the screen brightness. I was only able to change it when using the standard windows graphics driver, but when using the AMD driver it won't work.
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Oct 9, 2013
When in settings the "brightness icon" is not working, when clicking the mouse over the icon, the following message appears: (windows can't adjust the brightness on this display) Before it was working just fine.
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Mar 6, 2014
So, a few days ago the battery of my laptop died and when I charged it and power it up again I found that I can't change the brightness of my screen which I was able to few minutes before. I tried fixing it by going onto control panel>hardware and sound>power option, but it didn't work. It's just stuck. What can I do? Is my laptop broken?
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Jul 4, 2014
I just yesterday finished my new computer (16Gb RAM, i5-4470k, GTX 770, Win 8.1, etc.) and I just today realized that I cannot change the screen brightness. The button is grayed out and says "Unavailable" which I know cannot be possible.
Now, i have done my research and people say that the fix is to update your drivers through the Device Manager, and I have tried that to no avail. I have tried all possible combinations of "Display Adapters" and "Monitors" drivers. None work. I have been restarting my computer after every change .
One thing that I might add is that a lot of people remedy this problem by reverting their Intel Integrated drives back to an older version, but I do not have an option to change it's drivers. It shows up nowhere in the Device manager.
My eyes are burning as I am typing this and I would even go for a third-party brightness program (if that even exists).
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Nov 10, 2011
Obviously there is no doubt that the n150+ or any Samsung note/netbook have had problems with not being able to control their devices brightness on Windows 7. This is because any driver after the OEM driver would change a particular number in the registry(regedit)
There were two fixes to this problem in WIndows 7. The simple way was to install the original VGA driver. The other was to change a specific number to 84 in the registries.
I have tried both and still can't adjust brightness with the fn keys. I've installed Easy Display Manager which is the software required to use fn key functions. Sound works automatically with or without the software.
I'm wondering why I can't get this to work.
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Nov 11, 2013
I've noticed that whenever I unplug my charger my brightness dims down to a point where I know its on, but I can't use it. Usually I have to put my computer to sleep and turn it back on to get it to fix. Also, the brightness wont adjust in anyway when its on. I've tried the function keys and the setting in the side bar. I have a toshiba laptop running windows 8.1 . I also have recently completely wiped it thinking it was a virus of some sorta with no change.
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Nov 30, 2013
I recently updated to 8.1 and I can't change the brightness, I have tried a lot of things. All my drivers are working fine. Playing games with this brightness setting is pretty hard.
Lenovo IdeaPad N585
Display Adapter is AMD Radeon HD 7310
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Sep 15, 2014
brightness goes to minimum as soon as i start my system and then i can't increase it using any settings . I can increase it sometimes using keyboard , but that is temporary . Also whether it is plugged in or not , that thing doesn't change the problem.
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